JP2013128725A - Examination information display device and system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide examination information display device and system by which information of examinations previously undergone by the same subject and images likely to be used in diagnosis can be easily retrieved.SOLUTION: The examination information display device includes: an image display control section 30f which indicates medical images to be diagnosed in a first display region; a reference candidate selecting section 32b which calculates the priority of display of examination information obtained from examinations previously undergone by the subject by using several indexes for each piece of examination information and selects pieces of examination information whose priority is relatively high as candidates for reference; a share window display control section 32c which indicates the candidates for reference in a second display region; and a screen-coupled control section 33 which monitors switching of images indicated in the first display region and instructs the reference candidate selecting section 32b to select candidates for reference corresponding to the switching of the images.

Description

  The present invention relates to an examination information display apparatus and system, and in particular, an image obtained by a modality (image imaging apparatus) such as an X-ray imaging apparatus, an X-ray CT apparatus, or a magnetic resonance imaging apparatus (hereinafter referred to as “MRI apparatus”). Or, it relates to a display technique for medical examination information.

  Refer to examination information received by the same subject in the past when an interpretation doctor or the like makes a diagnosis by referring to an image obtained by an imaging apparatus such as an X-ray imaging apparatus, an X-ray CT apparatus, or an MRI apparatus, Perform comparative interpretation. In past examination information to be compared or referred to, it is very troublesome and difficult to search and specify an image used for diagnosis from a large amount of image data.

  Therefore, in Patent Document 1, priorities are determined based on processing (for example, addition of annotations and body marks) performed on an ultrasonic image, and the priorities are attached to the ultrasonic image to obtain past image data. Remember as. And the ultrasonic diagnostic apparatus which displays a past image in order according to a priority is disclosed. Patent Document 2 discloses an image interpretation support system that calculates priority based on image reference frequency and interpretation time, and displays an image with a predetermined priority set.

JP 2010-148466 A JP 2006-271541 A

  However, in Patent Document 1, since the priority order is determined based on processing performed on the past image, the priority order is fixedly determined for the past image. In addition, as in Patent Document 2, when only an ultrasound image is a search target, the processing performed on the image is common, and may be fixed. However, different types such as a CT image and an MRI image may be used. When an image is included, the processing performed by each image may be different, and there is a problem that the priority order determination method disclosed in Patent Document 2 cannot be used.

  Furthermore, in Patent Document 2, no consideration is given to the display of presentation state information (PR: Pres. State) and important image memos (KIN: Key Image Note) that are highly likely to be used for diagnosis.

  The present invention has been made in view of the above-described problem, and in the case where images obtained from a plurality of types of modalities are included in past images of the same subject, an image having a high possibility of being used for comparative interpretation. An object of the present invention is to provide an inspection information display device and system that can be easily searched.

  In order to achieve the above object, an examination information display device according to the present invention includes a first display control unit that displays an image to be diagnosed in a first display area, and a subject imaged by the image to be diagnosed A reference candidate selection unit that calculates the display priority of the inspection information received in the past using a plurality of indices for each inspection information, and selects the inspection information having a relatively high priority as a reference candidate; A second display control unit that displays the reference candidate in a second display area that is a display area different from the first display area; and monitors the switching of the image displayed in the first display area. A screen link control unit that instructs the reference candidate selection unit to select a reference candidate corresponding to the switching, and the second display control unit selects the reference candidate selected by the reference candidate selection unit according to the instruction To the second display area. Show, characterized in that.

  The examination information display system according to the present invention is an examination in which a server storing examination information indicating examination results received by a subject and an examination information display device that displays the examination information are connected via a network. In the information display system, the examination information display device captures an image to be diagnosed from a first display control unit that displays an image to be diagnosed in a first display area and the server. A test acquisition unit that acquires test information that the subject has received in the past, and a test that is a reference candidate is extracted from the acquired test information based on the image type of the image to be diagnosed, and the extracted reference A reference candidate selection unit that calculates display priority using a plurality of indices for each candidate and selects examination information having a relatively high priority as a reference candidate, and the reference candidate is different from the first display region display A second display control unit for displaying in the second display area, which is a region, and switching of images displayed in the first display area, and selecting a reference candidate corresponding to the switching of the image. A screen interlock control unit that instructs the selection unit, and the second display control unit updates and displays the reference candidates selected by the reference candidate selection unit in response to the instruction in the second display area. It is characterized by that.

  According to the present invention, diagnosis can be efficiently performed by narrowing down examination information to be compared or referred to with a reference examination at the time of diagnosis from examination information received by the subject in the past.

Block diagram showing the overall configuration of the inspection information display system Block diagram showing the overall configuration of the image display device Block diagram showing inspection information display program Explanatory drawing which shows the structure of the reference candidate selection part 32b. Explanatory drawing showing an example of the priority editing screen Explanatory drawing showing an example of layout data It is explanatory drawing which shows the outline of the display screen of image display apparatus 6a, 6b, Comprising: (a) shows the display area of each image display apparatus, (b) shows the automatic update setting screen of a share window. Flow chart showing the flow of processing of the inspection information display system Explanatory drawing showing an example of the inspection list screen Explanatory drawing showing an example of inspection data operation screen Explanatory drawing which shows an example of the image supplementary information stored in the past test | inspection memory | storage part 12a. Explanatory drawing which shows an example of the display screen of the share window which concerns on 2nd embodiment Explanatory drawing which shows the structure of the reference candidate selection part 32b which concerns on 3rd embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The same reference numerals are given to the procedures having the same functions and the same processing contents, and redundant description will be omitted.

  In the examination information display system according to the present embodiment, an examination engineer takes an image of a patient or a medical examiner (hereinafter collectively referred to as “subject”) by using a medical imaging apparatus, creates an image, and interprets a doctor. Is a system that enables browsing including interpretation for medical examination with reference to this image, in particular, the image to be diagnosed (hereinafter referred to as “diagnostic image”) and the same image This is for extracting and displaying a history of past examination information of a subject and examination information which is a candidate for comparative observation and comparison reference. Here, “examination information” includes images taken by various medical imaging devices, examination data of various medical examinations such as blood tests, pathological examinations, biological examinations, and electrocardiograms, as well as other hospitals and clinics. Information depending on the examination such as a letter of introduction may be included. In the following description, a case where a diagnostic image is selected, and an image that is a reference candidate at the time of comparative interpretation is extracted, selected, and displayed is described as an example. Even if test data for diagnosis is used, the effects of the present embodiment can be achieved.

<First embodiment>
The inspection information display system according to this embodiment will be described with reference to FIGS. FIG. 1 is a block diagram showing the overall configuration of the examination information display system according to the present embodiment. FIG. 2 is a block diagram showing the overall configuration of the image display apparatus. FIG. 3 is a block diagram showing an inspection information display program. FIG. 4 is an explanatory diagram showing the configuration of the reference candidate selection unit 32b. FIG. 5 is an explanatory diagram illustrating an example of a priority editing screen. FIG. 6 is an explanatory diagram showing an example of layout data. FIG. 7 is an explanatory diagram showing an outline of the display screens of the image display devices 6a and 6b. (A) shows the display area of each image display device, and (b) shows the automatic update setting screen of the share window. . FIG. 8 is a flowchart showing the flow of processing of the examination information display system. FIG. 9 is an explanatory diagram illustrating an example of an examination list screen. FIG. 10 is an explanatory diagram illustrating an example of an inspection data operation screen. In the first embodiment, reference candidates are extracted in one examination unit (one series unit) including a plurality of images, and an image determined as an image representing examination information in one series unit in advance, for example, image number 1 is used. A case where an image is determined as a display reference candidate will be described as an example.

  The examination information display system 8 of FIG. 1 includes a medical image pickup device (also referred to as modality) 1, an image workstation 2, an image detection terminal 3 that performs image inspection, and an image display device connected to the image detection terminal 3. 3a, 3b, an image server 4 for storing images and their accompanying information, an examination data server 5 for storing medical examination results and their accompanying information, an image interpretation terminal 6 and an image display device connected to the image interpretation terminal 6 6a and 6b are connected via a network 7.

  The modality 1 is an image imaging apparatus such as an X-ray imaging apparatus, an X-ray CT apparatus, or an MRI apparatus, and creates a captured image by imaging a predetermined part of the subject.

  The image workstation 2 generates an image (hereinafter referred to as “post-processed image”) that has been subjected to processing such as three-dimensional (stereoscopic) image processing or Perfusion analysis based on the captured image created by the modality 1.

  The image detection terminal 3 receives a captured image from the modality 1 and a post-processed image from the image workstation 2 as an undetected image, and performs image inspection such as confirmation, correction, and processing of the content of the undetected image.

  The image server 4 stores and manages the image detected by the image detection terminal 3 and the incidental information attached to the image in association with each other.

  The test data server 5 stores and manages test result data of a medical test such as a blood test, a sample test, a biological test, and an electrocardiogram in association with the subject information. The image server 4 and the inspection data server 5 may be composed of one server.

  The image interpretation terminal 6 is a terminal device for obtaining predetermined images and examination data from the image server 4 and the examination data server 5 and referring to those images and examination data for interpretation or browsing by an interpretation doctor. The image interpretation terminal 6 includes two image display devices 6a and 6b. One image display device 6a displays an examination list screen (see FIG. 9) and an examination data operation screen (see FIG. 10). The image display device 6b displays a diagnostic image. Further, at the time of comparative interpretation, the diagnostic image and the past image and past examination information to be compared and referred to are displayed side by side, switched, or overlapped on the image display device 6b. In this embodiment, the image interpretation terminal 6 includes two image display devices 6a and 6b. However, the image interpretation terminal 6 only needs to have one or more image display devices, and is not limited to two. In the case of a single image display device, the display screen is divided into a plurality of display areas, and an inspection list screen (see FIG. 9), an inspection data operation screen (see FIG. 10), a diagnostic image, Past images and past examination information may be displayed. The display area may be constituted by a separate window, and may be superimposed or displayed in parallel.

  The image server 4 stores an image captured by the modality 1 and associated information attached to the image in association with each other. The accompanying information includes subject information (for example, subject identification ID, subject name, problem name including subject's disease name and symptom name), and examination attribute information (eg, image type, examination site, examination name). Day) and a thumbnail image of the image.

  The examination data server 5 stores various medical examination result data such as blood tests, tissue (specimen) examinations, electrocardiogram data and the like, and information attached to the examination result data in association with each other. The incidental information of the test result data includes subject information (for example, a subject identification ID, a subject name, a problem name including a subject's disease name and symptom name), and test attribute information (for example, test type, Inspection date).

  Next, a hardware configuration of the image interpretation terminal 6 as the examination information display device according to the present invention will be described with reference to FIG.

  As shown in FIG. 2, the interpretation terminal 6 includes a CPU 10 that controls each unit, a main memory in which a control program for the CPU 10 to execute overall control and various application programs for screen display are loaded at the time of execution. 11 and the above application software, images and inspection data acquired from the image server 4 and the inspection data server 5 and their supplementary information, as well as the layout of the screen displayed on the image display devices 6a and 6b and this layout Subject information and data such as markers, tags, and examination icons stored in a non-volatile manner, a communication control unit 13 connected to the network 7 for communication control, and display image information temporarily. Display memories 14 and 15 to be stored, a mouse 19 and a controller 18 for operating the display screen, A keyboard 20 including operation keys and operating switches for parameter setting, but constructed are connected to each other via an internal bus 21. The image interpretation terminal 6 is connected to the image display devices 6a and 6b, the display memory 14 outputs image information for display to the image display device 6a, and the display memory 15 displays an image for display on the image display device 6b. Output information. The image interpretation terminal 6 may be provided with an external interface (not shown) for connecting an information device such as a digital camera or a scanner. The interpretation terminal 6 may connect a digital camera with an external interface to capture a patient's lesion photograph taken in dermatology, or connect a scanner to the external interface to capture related materials. The magnetic disk 12 stores a past examination storage unit 12a for storing past examinations received from the image server 4 and the examination data server 5 and associated information, and layout information defining an arrangement of reference candidates in a share window, which will be described later. Layout storage unit 12b.

  In addition to the icons, the above-described inspection icons include a menu, a context menu, a button, and a thumbnail display of inspection images.

  A touch panel may be provided on the display screens of the image display devices 6a and 6b. In this case, a touch operation on the display screens of the image display devices 6a and 6b is necessary instead of the mouse 19 and the keyboard 20. Data can be entered. Further, as the information storage medium, another storage medium such as a CD-ROM or a magneto-optical disk can be used instead of the magnetic disk 12 or together with the magnetic disk 12.

  Next, an image display program built in the image interpretation terminal 6 will be described with reference to FIG.

  As shown in FIG. 3, the examination information display program largely displays a common program 30, a history area program 31 that controls a history area that displays an examination history of a subject, and examination information that is a reference candidate. The share window program 32 for controlling the share window, and the switching of images displayed in the image display area (the entire screen or a partial area of the screen) in the image display device 6b may be monitored, A screen interlocking control unit 33 for instructing selection of a reference candidate corresponding to the switching of the image.

  The common program 30 includes a user authentication unit 30a that authenticates a user of the image display program, an examination list display control unit 30b that displays an examination list screen (see FIG. 9) that displays a list of examination data of images and medical examinations, and an image An examination extraction instruction unit 30c that instructs the server 4 or the examination data server 5 to extract a diagnostic image selected on the examination list screen (see FIG. 9) and a past examination of the same subject as the diagnostic image; The test acquisition unit 30d that acquires (receives) the extracted diagnostic images and past examinations from the image server 4 or the examination data server 5 and stores them in the past examination storage unit 12a in the magnetic disk 12, and the display of the examination history An inspection data operation screen display control unit 30e for displaying an inspection data operation screen (see FIG. 10) including an area and a display area for inspection information, and a diagnostic image are determined in advance. An image display control unit 30f for displaying in the displayed display area (in the present embodiment, the image display device 6b).

  On the screen of the image display device 6a, the history area program 31 is a thumbnail image of an image in an examination history area comprising a time axis indicating the examination date of the image and examination data, and an information axis representing the examination attribute on the vertical axis. And a history area display control unit 31a for arranging inspection icons indicating inspection data, a time axis setting unit 31b for setting a time axis indicating a time series of inspection dates, and an information axis based on inspection attributes of the reference inspection and inspection information. An information axis setting unit 31c to be set, and a test extracting unit 31d for extracting thumbnail images and test icons arranged in the test history area according to the disease name or symptom of the subject.

  The history area display control unit 31a reads a thumbnail image if it is included in the supplementary information of the image, and if not, generates a thumbnail image of the image and arranges it in the history area. The history area display control unit 31a arranges inspection icons indicating inspection types of inspection data in the history area. Further, when there is information (hereinafter referred to as “interpretation support information”) that supports the user's image diagnosis or operation on the examination data operation screen, the history area display control unit 31a displays a tag or mark indicating that fact in the history area. Along with thumbnail images and inspection icons. The interpretation support information includes, for example, information indicating that it is a diagnostic image, the number of examinations superimposed when thumbnail images and examination icons are superimposed on the history area, and comparative interpretation / diagnosis of reference examinations. There is information indicating that the examination is displayed in the share window.

  The share window program 32 refers to a reference candidate extraction unit 32a that extracts reference candidates from past examinations of the same subject stored in the magnetic disk 12 in accordance with predetermined layout information, and additional information of the reference candidates. A reference candidate selection unit 32b for selecting a reference candidate to be displayed in the share window, and a share window display control unit 32c for displaying the reference candidate in a share window composed of a screen area of the examination data operation screen different from the history area. Prepare. The share window display control unit 32c reads information (hereinafter referred to as “layout information”) indicating the arrangement pattern of reference candidates in the share window stored in advance in the layout storage unit 12b provided in the magnetic disk 12, and the layout thereof. A reference candidate is displayed in the share window along the line. You may provide the function which can select and edit a layout suitably.

  The screen interlocking control unit 33 monitors the switching of images displayed on a screen that is predetermined to display a diagnostic image (the screen of the image display device 6b1 in this embodiment), and is displayed on this screen. When the image is switched, selection of a reference candidate corresponding to the switching of the image is performed on the share window program 32 or the inspection extraction instruction unit 30c.

  Next, the configuration of the reference candidate selection unit 32b will be described with reference to FIG.

  As shown in FIG. 4, the reference candidate selection unit 32b includes an examination site selection unit 32b1, an examination period selection unit 32b2, a priority data storage unit 32b3, a reference candidate determination unit 32b4, and a priority data editing unit 32b5.

  The examination site selection unit 32b1 refers to the priority data, and sets the priority (x) for each of the reference candidates extracted by the reference candidate extraction unit 32a based on the difference from the examination site of the diagnostic image.

  In addition, the examination site selection unit 32b1 determines whether the previous display of the examination data operation screen 60 for each of the past examinations for which the priority (x) has been set is performed at the end of the examination data operation screen 60 or from the examination list screen 50. Priorities (y) are set for the past examinations displayed on the share window and the image display device 6b until immediately before selecting an image as a diagnostic image. The examination period selection unit 32b2 sets the priority (z) for each of the reference candidates extracted by the reference candidate extraction unit 32a for images taken within the past year from the examination date of the diagnostic image. The priority (z) may be a fixed value, or may be configured such that a relatively high priority (z) is set closer to the examination date of the diagnostic image.

  The priority data storage unit 32b3 stores priority data (x) (y) (z) as parameters used when determining as reference candidates.

  The reference candidate determination unit 32b4 uses the priority (x) and (y) set by the examination site selection unit 32b1a and the priority (z) set by the examination period selection unit 32b2 to initially display in the share window Determine candidates. Each priority may be weighted with a weighting factor indicating the importance for each priority predetermined by the user. It is assumed that the importance of each priority can be freely set by the user. A method of calculating priority by the reference candidate determining unit 32b4 will be described later.

  An example of a priority setting method will be described with reference to FIG.

  The priority data editing screen 100 in FIG. 5 has a first column 101 for designating the priority as 0 or (x) depending on the difference in the examination site, and the priority is set to (y) or 0 depending on the presence or absence of the display history. Z1 from the closest to the farther according to the elapsed time from when the reference candidate image is captured retroactively from the second column 102 to be designated and the date of imaging of the diagnostic image as a reference To the third column 103 for setting the priority of z0, the fourth column 104 for setting the weighting setting for each user to be valid or invalid, and the user name when “valid” is selected in the fourth column 104 is displayed. A fifth column 105 and a sixth column 106 for setting the weighting factor of the user displayed in the fifth column 105 are provided. The fifth column 105 includes a display selection column 105a for selecting an arbitrary user from a list displaying the user name and other user names, and a “user setting copy” button for copying the setting of the weighting factor of the other user. 105b, a “registration” button 105c that saves the user weighting factor set in the sixth column 106, and an “apply” button 105d that only copies the setting of the weighting factor of another user and does not save it. .

  Arbitrary numerical values may be set as the x and y values in the first column 101 and the second column 102. Also, “0” in the first column 101 and the second column 102 can be changed to an arbitrary numerical value.

  The third column 103 is a column for specifying the priority (z). However, when z is a fixed value, the number line 103a is not necessary. The priority (z) is set such that the priority (z) is higher as the elapsed time from the examination date of the diagnostic image is closer to the past, and the priority (z) is lower as the distance is relatively far. When setting, priority (z) may be defined as a function of elapsed time (t), z = f (t). For example, in the case of FIG. 5, z1 is a relatively large value compared to z0.

  The fourth column 104 is provided so that the user's setting can be selected as valid or invalid. Although a radio button is used in FIG. 5, it is not limited to this.

  In a fifth column 105, the user name authenticated in the user authentication performed when logging in to the examination display system 8 is read. The “copy user settings” button 105b is inactive in the initial display state.

  The sixth column 106 is a column for designating a weighting factor indicating the importance of priority (x) (y) (z) for each user. In the sixth column 106, the weighting factor w1 of the priority (x) can be set between the minimum value 0 and the maximum value 1. In FIG. 5, the point indicated by the triangular pointer 106b on the number line 106a is the weighting factor w1. The weighting factor w2 for the priority (y) and the weighting factor w3 for the priority (z) can be set in the same manner as the weighting factor w1.

  If the button 105a in the fifth column 105 is clicked on with a mouse, the "user setting copy" button 105b is activated. After that, the user list (not shown) is displayed by operating the button 105a, another user is selected from the list, and when the activated “copy user setting” button 105b is pressed, the login displayed in the sixth column 106 is displayed. The setting of the weighting factor of the user is updated to the setting of the weighting factor of the other displayed user. At this time, the user setting name in the fifth column 105 remains displayed as the user name authenticated at the time of login, and only the setting of the weighting factor in the sixth column 106 is changed to the setting of the weighting factor of other users ( Update display). The copied weighting factor in the sixth column 106 can be edited as appropriate.

  When the setting of the weighting factor of another user is copied and only used without being overwritten, the “apply” button 105d is pressed down. When the “apply” button 105d is pressed down, the setting of the weighting factors of other users becomes effective until the examination display system 8 is logged out.

  When the “Register” button 105c is pressed, the priority setting specified in the editing screen 100 is associated with the user name displayed in the fifth column 105, and the priority data in the priority data storage unit 32b3 is updated. The

  In the above, even if another user is selected from the list in the fifth column 105, the user name at the time of login is still displayed, but the fifth column 105 is the selected other user. The name may be displayed. This makes it easy to understand which user's weight coefficient settings have been copied. On the other hand, if a user name different from the user name for which user authentication has been performed is displayed in the fifth column 105 in order to prohibit changing or saving the weighting factor setting without others knowing, The “Register” button 105c may be inactivated. Thus, the weighting factor in the sixth column 106 can be stored only when the user name in the fifth column 105 matches the user name for user authentication at the time of login. This prohibition operation is performed by the priority data editing unit 32b5.

  The reference candidate determining unit 32b4 calculates the priority of each past examination using the following equation (1) when the user setting is invalid and using the following equation (2) when the user setting is valid.

P1 = g (X, Y, Z) (1)
P2 = g (w1 * X, w2 * Y, w3 * Z) (2)
P1: Priority when user setting is invalid P2 = Priority when user setting is valid x: Priority due to difference in examination part y: Priority according to display history z: Go back to the past from the examination date of the diagnostic image Priority by elapsed time

  The reference candidate determining unit 32b4 determines the image having the highest priority among the reference candidates as an image to be initially displayed on the share window 90 (hereinafter referred to as “display reference candidate”).

  In the editing screen 100 of FIG. 5, the priority data editing unit 32b5 is displayed on the screen of the image display device 6a by right-clicking the mouse 19 or operating an icon (not shown) on the inspection data operation screen of FIG. Display in window. When editing is completed, the priority of the priority data storage unit 32b3 is added to the content specified on the editing screen 100 by right-clicking the mouse 19 or re-operating the icon (not shown) on the inspection data operation screen in FIG. Update the degree data and close the editing screen.

  Next, layout data stored in the layout storage unit 12b will be described with reference to FIG. In the layout data of FIG. 6, the type and imaging region of the diagnostic image are defined in the first column 110, and the image data and the imaging region of the diagnostic image in the first column 110 are defined in the second column 120. A type of reference candidate, which is a past examination referred to at the time of comparative interpretation, is defined. The third columns 130, 131, and 132 define reference candidate sequence patterns in the share window.

  Next, the configuration of the display screens of the image display devices 6a and 6b will be described with reference to FIG. As shown in FIG. 7A, the examination data operation screen 60 shown in FIG. 10 is displayed on the image display device 6a. The inspection data operation screen 60 includes a history area 70 and a share window 90. On the other hand, the image display device 6b includes an area 6b1 where a diagnostic image is displayed and an area 6b2 where an image compared with the diagnostic image is displayed. The region 6b1 and the region 6b2 are displayed in parallel in FIG. 7A, but may be displayed in a superimposed manner so that each region can be displayed larger.

  Next, the flow of processing of the image display system according to the present embodiment will be described along the steps of FIG.

(Step S1)
When logging into the examination information display system 8, information for uniquely identifying the user is input to obtain authentication (S1). The user information at this time may be used for calculating the priority of the reference candidate.

(Step S2)
When the user gives a display command for the examination list screen 50 shown in FIG. 9 by operating the mouse 19 or the keyboard 20 of the interpretation terminal 6, the examination list display control unit 30 b reads out and displays the examination list screen from the magnetic disk 12. The inspection list screen 50 is displayed on the image display device 6a (S2). The examination list screen 50 of FIG. 9 includes fields of “(subject) ID”, “name”, “modality”, and “examination date”. Then, the inspection information is listed and displayed in order from the latest inspection information to the past.

(Step S3)
On the examination list screen 50, the user designates a diagnostic image with the mouse 19 or the keyboard 20 (S3). In FIG. 9, the “CT” image taken on 2009/06/06 of “Hitachi Aro” is selected. The selected CT image becomes a diagnostic image in the following processing, and its detailed information is displayed on a detailed screen 51 which is a region different from the examination list screen 50 of the image display device 6a. After the selection is completed, the user clicks an “examination data operation screen” icon 52 provided on the examination list screen 50.

(Step S4)
The image display control unit 30f displays the diagnostic image selected in S3 in the area 6b1 of the image display device 6b. The screen interlocking control unit 33 starts monitoring whether the image of the area 6b1 is not switched (S4).

(Step S5)
The examination extraction instructing unit 30c uses the diagnostic image subject (in this embodiment, “Hitachi Aro”) as an extraction condition, and searches the image server 4 and the examination data server 5 for search / examination of past examinations of the subject. Instruct extraction / transmission. The image server 4 and the examination data server 5 extract past examinations according to this instruction. The extracted past examinations are accompanied by additional information including, for example, the subject identification ID, the subject name, the modality type, the examination site, the examination date and time, and the interpretation support information. The image server 4 and the inspection data server 5 transmit the past inspection and incidental information to the image interpretation terminal 6 via the network 7. The examination acquisition unit 30d receives the past examination and the incidental information and stores it in the past examination storage unit 12a of the magnetic disk 12 (S5).

(Step S6)
The inspection data operation screen display control unit 30e reads the frame of the inspection data operation screen from the magnetic disk 12, transfers it to the display memory 14, and displays the inspection data operation screen 50 on the image display device 6a (S6). As a result, the display screen of the image display device 6a transitions from the examination list screen 50 in FIG. 9 to the examination data operation screen 60 in FIG.

  The examination data operation screen 60 in FIG. 10 diagnoses a subject information area 61 for displaying information for specifying a subject, a history area 70 for displaying a past examination history of the subject, and a reference image and reference examination data. The share window 90 is displayed including a test that is a reference candidate. In the subject information area 61, the “subject ID” and “name” of the subject of the reference image are displayed.

  The history area 70 is display-controlled by the history area program 31, and the share window 90 is display-controlled by the share window program 32. Hereinafter, the flow of initial display of the history area will be described in steps S601 to S604, and the flow of initial display of the share window will be described in steps S611 to S614.

(Step S601)
The history area display control unit 31a reads “inspection date”, “modality”, and “inspection type” included in the incidental information of the inspection information from the magnetic disk 12 (S601).

(Step S602)
The time axis setting unit 31b and the information axis setting unit 31c set the time axis 72 and the information axis 73 of the history area. The time axis setting unit 31b reads the examination date included in the supplementary information read in step S601, and sets the period of the overhead area 71 of the history area 70 so that the entire past examination history of the subject can be displayed. .

  The information axis setting unit 31c sets the information axis 73 of the history area 70. In the initial setting, the information axis setting unit 31c sets the information axis 73 based on the “examination type” (S602).

(Step S603)
The history area display control unit 31a sets the examination history of each examination based on the supplementary information read in step S601 in the examination history area composed of a two-dimensional area having the time axis 72 as the horizontal axis and the information axis 73 as the vertical axis. A corresponding position in the area is obtained, and thumbnail images and examination icons corresponding to each examination, for example, thumbnail images 75 attached to diagnostic images, and examination icons according to the type of examination data are arranged in a matrix in the examination history area. A history area is generated by arranging them (S603).

(Step S604)
The history area control unit 31a transfers the history area 70 to the display memory 14 and displays it at a predetermined position in the examination data operation screen 60 (S604).

(Step S611)
In response to the operation on the inspection data operation screen 50 in step S6, the reference candidate extraction unit 32a refers to the layout information of FIG. 6 stored in the layout storage unit 12b. Then, a past image corresponding to the image type of the diagnostic image is extracted as a reference candidate from the past examination storage unit 12a (S611).

(Step S612)
The reference candidate selection unit 32b calculates the priority of each reference candidate extracted by the reference candidate extraction unit 32a (S612). More specifically, the examination site selection unit 32b1 sets the priority (x) for each extracted reference candidate based on the difference in the examination site, and sets the priority (y) according to the display history. To do. The examination period selection unit 32b2 sets a priority (z) for each extracted reference candidate according to the elapsed time from the examination execution date of the diagnostic image to the implementation date of the past examination of the reference candidate. The reference candidate determining unit 32b4 calculates the total priority of each reference candidate (S612).

(Step S613)
The reference candidate determining unit 32b4 determines, for each inspection type of the reference candidate, a past inspection with the highest priority as a display reference candidate that is a reference candidate displayed in the share window 90 (S613). The reference candidate determining unit 32b4 outputs information indicating the display reference candidate together with the layout information to the share window display control unit 32c.

(Step S614)
The share window display control unit 32c displays display reference candidates along the layout data in the share window 90 (S614).

  Thereafter, the operator drags a reference candidate in the share window 90 to be used for comparative interpretation to the area 6b2 of the image display device 6b, and displays the past image that has become the reference candidate in the area 6b2. As a result, the diagnostic image displayed in the area 6b1 can be displayed side by side and comparative interpretation can be performed. If necessary, the reference candidate of the region 6b2 is changed or the diagnostic image is replaced. Next, processing when the diagnostic image is replaced in steps S7 to S702 will be described.

(Step S7)
The diagnostic image is changed and displayed (S7). The change display is performed by reading the examination list screen 50 again and selecting a new examination as a diagnostic image, or by dragging an arbitrary thumbnail image in the share window to the area 6b1. As an example of changing the diagnostic image, when the image is replaced with an image of another series or modality of the same subject, for example, the image may be replaced with an image of series 1 to series 2, or may be replaced with an MR image from a CT image. is there. In these cases, the diagnostic image displayed in the area 6b1 of the image display device 6b is switched, and the reference candidates of the share window 90 are automatically updated.

(Step S701)
The image interlocking control unit 33 detects that the screen of the region 6b1 has changed when the diagnostic image is changed. (S701). In the present embodiment, the area 6b1 of the image display device 6b is set in advance as a reference area (area to be monitored for image transition), and the share window 90 is automatically updated in conjunction with the image transition of the reference area. However, an arbitrary area can be set as the reference area. This setting can be realized, for example, by specifying a reference area using the mouse 19 and the like, and the image interlocking control unit 33 stores the coordinates of the area, but if the reference area can be set, It is not limited to the above example.

(Step S702)
When the share window 90 is set to be automatically updated in accordance with the change of the diagnostic image, the screen interlocking control unit 33 instructs the share window display control unit 32 to perform update display (S702). As a result of the update display, reference candidates in the new diagnostic image are selected and displayed. However, even if the pinning icon 76 (to be described later) is not used, the same reference candidate is separated again depending on the priority state. May be displayed at the same layout position as before the update display.

  Whether or not the automatic update of the share window 90 is necessary can be set on the automatic update setting screen 6a1 of the share window 90 shown in FIG. The automatic update setting screen 6a1 is displayed, for example, when the cursor of the mouse 19 is placed on the screen of the image display device 6a and the mouse 19 is right-clicked. Further, although not shown, an input operation receiving unit for displaying the automatic update setting screen 6a1 of the share window may be provided in the menu of the inspection data operation screen. The share window automatic update setting screen 6a1 includes a radio button for selecting either “update” or “not update”. The image linkage control unit 33 monitors whether “update” or “do not update” is selected on the automatic update setting screen 6a1, and only when “update” is selected, the automatic update of the share window 90, That is, the reference candidate selection unit 32b is instructed to select a reference candidate corresponding to the switched diagnostic image. The selection of “update” and “do not update” can be set in advance, or may be changed from “update” to “do not update” at an arbitrary timing. It may be changed to “Update”. In FIG. 7B, “update” is selected. The automatic update setting screen 6a1 sets whether or not to instruct the reference candidate selection unit 32b to select a reference candidate corresponding to the image switching when the screen interlocking control unit 33 detects the switching of the diagnostic image. It is an example of an update setting unit, and any mode may be used as long as the function is achieved.

  Prior to the automatic update, if there is a reference candidate that is not to be updated among the images displayed in the share window 90, a pinning icon 76 is added to the reference candidate so that only the reference candidate is displayed. The user can input an instruction not to display the update. The share window display control unit 32c performs control so that the reference candidate with the pinning icon 76 is displayed at the same layout position while the pinning icon 76 is added. The pinning icon 76 is added, for example, by placing the cursor of the mouse 19 on a reference candidate that is not to be updated and displayed, and right-clicking to select addition of the pinning icon 76. The pinning icon 76 is an aspect of a display maintenance designation unit that designates an arbitrary reference candidate displayed in the second display area as a reference candidate that maintains the display state even when updated display is performed. The pinning icon 76 is not limited as long as it has a function of designating that an arbitrary reference candidate continues to be displayed after the update display.

  When the share window display control unit 32c receives an update display instruction of the share window 90 from the image interlocking control unit 33, the process returns to step S611, and the share window display process is performed again. If there is a reference candidate to which the pinning icon 76 is added, the reference candidate remains displayed at the same layout position, and the reference candidate in the new diagnostic image has a high priority. In order from the top, they are arranged at positions other than the layout positions of the reference candidates to which the pinning icon 76 is added. In this case, the case where the display diagnostic image is replaced with the past image used for comparative interpretation in step S8 will be described next.

(Step S8)
The image in the area 6b2 (corresponding to the comparative interpretation image display area) of the image display device 6b is changed and displayed (S8). The change display is performed by selecting a reference candidate of the share window 90 (each reference candidate is displayed in an independent window) and dragging it to the area 6b2 of the image display device 6b. The share window display control unit 32c returns to step S613 to display a new display reference candidate in the margin generated in the share window 90 by dragging the reference candidate determination unit 32b4 to the region 6b2. Instructs the determination of reference candidates for use. The reference candidate determining unit 32b4 determines the reference candidate with the highest total priority calculated in step S612 among the reference candidates that are not displayed as a new display reference candidate (S613), and the share window display control unit 32c. Displays a new display reference candidate in the margin of the share window 90 (S614).

  According to the present embodiment, the examination history of the subject can be displayed in an overhead view, and the examination history can be easily grasped. At this time, since a past examination with a high priority calculated based on a plurality of indices can be displayed as a reference candidate, it can contribute to an improvement in the efficiency of comparative interpretation. Furthermore, when the diagnostic image and the reference candidate are changed, the reference candidate displayed along with the change is updated and displayed, so that diagnosis can be performed efficiently.

<Second embodiment>
In the second embodiment, presentation state information including at least one of a measured value and a marker measured in advance on each image or important image memo information including a finding about each image is stored in the incidental information of the past examination. This is an embodiment in which a past examination having presentation state information or important image memo information is preferentially selected as a display reference candidate. Hereinafter, the image supplementary information used in the present embodiment will be described with reference to FIGS. 11 and 12. FIG. 11 is an explanatory diagram showing an example of image supplementary information stored in the past examination storage unit 12a. FIG. 12 is an explanatory diagram illustrating an example of a display window of the share window according to the second embodiment.

  The image supplementary information in FIG. 11 is image supplementary information attached to an image of one series unit including a plurality of images. Specifically, there is a first column 140 for registering information about images of one series unit and a second column 141 for registering information of each image unit included in one series of images. In the first column 140, the subject ID, name, examination type (image type), imaging region, and examination date are registered. In the second column 141, an image number for identifying each image in one series, the reference count of each image, the final browse count, the registration date of important image memo information, and the possibility of use for diagnosis are displayed. The registration is made in association with the registration date of the high presentation state information. Hereinafter, the important image memo information is referred to as “KIN (abbreviation of Key Image Note)” information, and the presentation state information is referred to as “PR (Pres. State) abbreviation” information. Note that the “reference count” and “final browsing count” are data used in the third embodiment, and will be described in detail later. Further, since the processing flow according to the second embodiment is the same as that of the first embodiment, the flowchart of FIG. 8 is used.

  When the reference candidate determination unit 32b4 determines the display reference candidate in step S613, the reference candidate determination unit 32b4 refers to the image supplementary information illustrated in FIG. 11 for each display reference candidate stored in the past examination storage unit 12a, and includes the KIN information and the PR information. Determine the presence or absence.

  If there is KIN information and PR information, when the share window display control unit 32c arranges display reference candidates in the share window 90 in step S614, a KIN icon indicating that there is KIN information, and A PR icon indicating that there is PR information is displayed in the reference candidate display area. For example, when the registration date of the KIN information and the registration date of the PR information are recorded in the image supplementary information of the reference candidate in the display area 91, as shown in FIG. 12, the KIN icon 94a and the upper left of the display area 91a A PR icon 94b is displayed.

  When the KIN icon 94a is clicked with the mouse 19, the share window display control unit 32c refers to the image supplementary information shown in FIG. 11 and displays the image of the image number with the latest registration date of the KIN information in the display area 91a. When there are a plurality of images accompanying the KIN information, the display of the display area 91a is switched to an image with the oldest registration date by turning the image of the mouse 19. In addition, when it is desired to refer to images before and after the KIN information-accompanying image, an image turning operation is performed after the left and right click buttons of the mouse 19 are simultaneously pressed.

  In the above description, the KIN information-accompanying image has been described as an example. However, in the case of the PR information-associated image, the PR information-associated image can be displayed in the display area 91a by performing the same operation.

  According to the present embodiment, it is possible to easily display the KIN information and the PR information-accompanying image that are highly likely to be used for diagnosis, so that diagnosis can be performed efficiently.

<Third embodiment>
The third embodiment is an embodiment in which a display reference image is selected in units of images in addition to inspection units (units of one series). That is, in the first embodiment, when a reference candidate is extracted in one series of examination units including a plurality of images, an image with a preset image number, for example, an image with image number 1, is determined as a display reference candidate. However, in this embodiment, after extracting a reference candidate for one series of inspection units, the past reference count and the last browse count of each image included in the series are referred to, and based on these, the reference candidate for display is displayed. Select the initial image.

  Here, the “reference count” means the number of times the image is displayed in the area 6b1 or 6b2 of the image display device 6b continuously for a predetermined time, for example, 2 minutes or more. The reason for limiting to the case where it is displayed continuously for a predetermined time is to distinguish between the case where it is displayed for image search and the case where it is used for diagnosis, and to count the number of times it is used for diagnosis It is.

  The “last browsing count” indicates the number of images browsed at the end of the interpretation work, and more specifically, in the share window 90 or in the image display immediately before closing the examination data operation screen 60. The number of times displayed in the areas 6b1 and 6b2 of the device 6b is shown.

  Hereinafter, a third embodiment will be described with reference to FIG. FIG. 13 is an explanatory diagram illustrating a configuration of the reference candidate selection unit 32b according to the third embodiment. Since other configurations are the same as those of the first embodiment, a detailed description thereof is omitted.

  As illustrated in FIG. 13, the reference candidate selection unit 32b according to the present embodiment determines an image to be initially displayed in the share window 90 from the reference candidates for display determined by the reference candidate determination unit 32b4, And a reference count / final browsing counter 32b6 for counting the final browsing count. The reference count and the final browse count are included in the image supplementary information of each image and are stored in the image server 4 together with the image data.

  The reference count / final viewing counter 32b6 refers to the image supplementary information shown in FIG. 11 for the display reference candidate determined by the reference candidate determining unit 32b4, and refers to the number of times and the final viewing count of each image included in the display reference candidate. Search for each image that maximizes. When the maximum value of the reference count is less than the set threshold value or when the maximum value of the reference count is less than or equal to the maximum value of the final browsing count, the image having the largest final browsing count is displayed on the share window 90, and otherwise Displays the image with the highest number of references on the share window 90.

  According to the present embodiment, when a plurality of images are included in the display reference candidates, an image with a large number of past display histories can be displayed as an initial image, and an image that is highly likely to be used for diagnosis is displayed. By displaying, diagnosis can be performed efficiently. In the above description, the case where the reference candidate is displayed on the share window on the examination data operation screen has been described as an example. However, the present invention displays a diagnostic image and an image serving as a reference candidate corresponding thereto at the time of comparative interpretation. It can be applied to any system.

1: Modality, 2: Image workstation, 3: Imaging terminal, 3a, 3b: Image display device, 4: Image server, 5: Inspection data server, 6: Interpretation terminal, 6a, 6b: Image display device, 7: Network 8: Inspection information display system

Claims (9)

A first display control unit for displaying an image to be diagnosed in a first display area;
The examination information obtained in the past by the subject imaged in the image to be diagnosed is calculated using a plurality of indices for each examination information, and the examination information having a relatively high priority is calculated. A reference candidate selection unit that selects as a reference candidate;
A second display control unit for displaying the reference candidate in a second display area which is a display area different from the first display area;
A screen interlocking control unit that monitors switching of images displayed in the first display area and instructs the reference candidate selection unit to select a reference candidate corresponding to the switching of the image;
With
The second display control unit updates and displays the reference candidate selected by the reference candidate selection unit in accordance with the instruction in the second display area.
An inspection information display device characterized by that. The reference candidate is a series of examination information composed of a plurality of images obtained by imaging the subject in the past, and each of the plurality of images is associated with presentation state information including findings about each image,
The second display control unit displays an image representing the first series of examination information and a presentation state information icon indicating that the presentation state information is present in the second display area, and the presentation state information When the icon is operated, an image with the presentation state information is displayed in the second display area among the one series of examination information.
The inspection information display device according to claim 1. The reference candidate is a series of examination information including a plurality of images obtained by imaging the subject in the past, and each of the plurality of images includes at least one of a measurement value and a marker measured on each image. Important image memo information including
The second display control unit displays, in the second display area, an image representing the one series of examination information and an important image memo icon indicating that the important image memo information is present, and the important image. When the memo icon is operated, the image with the important image memo information is displayed in the second display area among the inspection information of the one series.
The inspection information display device according to claim 1 or 2, characterized in that The presentation state information and the important image memo information record the date when the presentation state information and the important image memo information are registered,
When the one series of examination information includes a plurality of images associated with the presentation state information and the important image memo information, the second display control unit registers the presentation state information or the important image memo information. Is displayed retroactively in order from the closest to the shooting date of the image to be diagnosed,
The inspection information display device according to claim 2 or 3, characterized by the above. The reference candidate selection unit sets a first index value based on the difference in the examination site of the examination information, sets a second index value based on the display history of the examination information, and from the date of imaging of the medical image A third index value is set based on the elapsed time until the inspection date of the inspection information, and the first index value, the second index value, and the third index value are summed to determine the priority of the inspection information. calculate,
The inspection information display device according to claim 1, wherein the inspection information display device is a display device. The reference candidate is a series of examination information including a plurality of images obtained by imaging the subject in the past,
The reference candidate selection unit
For each of the plurality of images, a reference count indicating the number of times each image is continuously displayed in the first display area or the second display area for a predetermined time, and the first display area or the second display area A final browsing count indicating the number of times displayed just before closing, a reference count / final browsing counter for counting,
For each of the plurality of images, a reference / final browsing count data storage unit that stores the reference count and the final browse count of each image, and
The reference candidate selection unit selects an image to be initially displayed in the second display area among the selected reference candidates based on the reference count and the final browse count for each image included in the selected reference candidate. select,
The inspection information display device according to any one of claims 1 to 5, wherein And an update setting unit configured to set whether or not to instruct the reference candidate selection unit to select the reference candidate corresponding to the image switching when the screen interlocking control unit detects the image switching. ,
The screen linkage control unit instructs the reference candidate selection unit to select the reference candidate corresponding to the image switching only when the update setting unit is set to instruct the reference candidate selection unit. To
The inspection information display device according to any one of claims 1 to 6. A display maintenance designation unit that designates any reference candidate displayed in the second display area as a reference candidate that maintains a display state even when the update display is performed,
The second display control unit continues to display the reference candidates designated by the display maintenance designation unit even after the update display.
The inspection information display device according to claim 1, wherein the inspection information display device is a display device. A test information display system in which a server storing test information indicating test results received by a subject and a test information display device that displays the test information is connected via a network,
The examination information display device includes a first display control unit that displays an image to be diagnosed in a first display area;
From the server, a test acquisition unit that acquires test information received in the past by the subject imaged in the image to be diagnosed,
Of the acquired examination information, extract the examination that is a reference candidate based on the image type of the image to be diagnosed, calculate the display priority using a plurality of indices for each extracted reference candidate, A reference candidate selection unit that selects examination information having a relatively high priority as a reference candidate;
A second display control unit for displaying the reference candidate in a second display area which is a display area different from the first display area;
A screen interlock control unit that monitors switching of images displayed in the first display area and instructs the reference candidate selection unit to select a reference candidate corresponding to the switching of the image;
With
The second display control unit updates and displays the reference candidate selected by the reference candidate selection unit in accordance with the instruction in the second display area.
Inspection information display system characterized by this.