CN114343607A - Image sequence display method and system based on liver MR examination purpose - Google Patents
Image sequence display method and system based on liver MR examination purpose Download PDFInfo
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Abstract
The invention provides an image sequence display method based on the purpose of liver MR examination, which comprises the following steps: establishing a corresponding relation between a clinical aim of liver MR scanning and sequence diagnosis information (including an MR image sequence and/or a diagnosis thought), determining the sequence diagnosis information corresponding to the clinical aim based on the corresponding relation, and calling and displaying the sequence diagnosis information; and provides a system for implementing the method. The method and the system can provide the optimized display sequence of all MR sequences pertinently based on the aim of liver MR examination, can provide diagnosis ideas corresponding to the sequences for doctors to refer to, can optimize the working flow, improve the report writing and diagnosis efficiency of the diagnosis doctors, and have good popularization and application prospects.
Description
Technical Field
The invention belongs to the field of medical information, and particularly relates to an image sequence display method and system based on the purpose of liver MR examination.
Background
The incidence of liver diseases in China is high, and common liver diseases comprise diffuse liver diseases (fatty liver, liver iron deposition, liver cirrhosis and the like) and focal liver diseases (liver benign tumor, liver malignant tumor, liver metastasis tumor and the like). Magnetic Resonance Imaging (MRI) is one of the important means for diagnosing liver diseases.
During MRI imaging, by varying the influence of the Magnetic Resonance (MR) signal, different images, known as sequences, can be obtained. Suitable liver enhancement scanning schemes typically include: 1. positioning an image; 2. coronal position T2WI, cross section T2WI; 3. the same phase and the opposite phase; 4. magnetic resonance pancreaticobiliary imaging (MRCP); 5. diffusion Weighted Imaging (DWI) and apparent diffusion coefficient mapping (ADC); 6. flat broom T1WI; 7. arterial phase T1WI, portal period T1WI, liver and gall stage T1WI (use of gadolinium plug)Disodium acid contrast agent) that will correspondingly yield a variety of different sequences. Different liver diseases have different manifestations in different sequences or different phases, and some liver diseases have high specificity in the signs of specific sequences, which is the main basis for making diagnosis. Therefore, the sequences of major interest to radiologists vary based on different examination objectives and clinical needs.
However, the current MR examination sequences can only be presented in a default fixed order, and the radiologist needs to manually select which sequences to view preferentially, which results in a reduction in the efficiency and quality of the diagnosis.
Therefore, it is very important to provide an optimized display sequence of all sequences obtained by MR examination based on the purpose of MR examination of a patient, so as to effectively optimize the workflow of a doctor and improve the diagnosis efficiency of the doctor.
Disclosure of Invention
The invention provides a method and a system for displaying image sequences in a targeted manner based on the aim of liver MR examination, which are based on the problem that the existing MR examination sequences can only be displayed in a fixed sequence.
Firstly, the invention provides an image sequence display method based on the purpose of liver MR examination, which comprises the following steps:
s101: establishing a corresponding relation between a clinical purpose of liver MR scanning and sequence diagnosis information;
s102: determining a clinical purpose of a patient, receiving an MR scanning image sequence of the patient, and determining sequence diagnosis information corresponding to the clinical purpose based on the corresponding relation established in the step S101;
s103: calling the sequence diagnosis information determined in the step S102;
s104: displaying the sequence diagnosis information called in the step S103;
the sequence diagnostic information includes a sequence of images.
Further, a clinical purpose of a liver MR scan corresponds to one or more serial diagnostic information.
Still further, the clinical objectives of the above-mentioned liver MR scan include: follow-up of cirrhosis, diagnosis of small liver cancer with increased AFP but no manifestation under ultrasound, qualitative diagnosis of liver occupancy, BCLC stage of liver cancer, confirmation of liver cancer surgical resection range, follow-up of liver cancer surgical resection/TACE/RFA treatment, follow-up of liver cancer radiotherapy/chemotherapy treatment, confirmation of liver metastasis of breast cancer/lung cancer/colorectal cancer, confirmation of lesion part of obstructive jaundice, diagnosis and follow-up of polycystic liver, diagnosis and follow-up of hemochromatosis and/or diagnosis and follow-up of fatty liver;
the image sequence comprises: hepatic and biliary stage T1WI image sequence, arterial phase T1WI image sequence, portal phase T1WI image sequence, DWI image sequence, same-phase and opposite-phase image sequence, flat scan T1WI image sequence, MRCP image sequence and/or T2A WI image sequence;
furthermore, the sequence diagnosis information further includes an image sequence and a corresponding diagnosis concept.
Further, the above diagnostic concept includes: detecting the focus in liver and evaluating the function of liver cell, observing the blood supply of liver artery, portal vein, identifying the quality of liver tumor, fatty lesion of liver, micro blood vessel invasion of hepatocellular carcinoma, intrahepatic structure and size, biliary calculus or expansion, cystic lesion of liver or iron overload of liver.
Preferably, the correspondence between the clinical purpose of the liver MR scan and the image sequence is as follows:
the correspondence between the image sequence and the diagnostic idea is as follows:
more preferably, the correspondence between the clinical purpose, the image sequence and the diagnosis idea of the liver MR scan is as follows:
furthermore, the clinical purpose of the liver MR scanning corresponds to a plurality of sequence diagnosis information, and the plurality of sequence diagnosis information comprises a plurality of image sequences;
step S101 includes: establishing a corresponding relation between a clinical purpose of liver MR scanning and an image sequence, and setting priorities for the plurality of image sequences;
step S102 includes: determining a clinical purpose of a patient, receiving an MR scanning image sequence of the patient, and determining an image sequence corresponding to the clinical purpose and priority information of the image sequence based on the corresponding relation established in the step S101;
step S103 includes: calling the image sequence and the priority information determined in the step S102, and arranging the called image sequence according to the sequence of the priority from high to low;
step S104 includes: the image sequence is presented in the order arranged in step S103.
Furthermore, the plurality of series diagnosis information further includes a plurality of diagnosis ideas corresponding to the plurality of image series;
step S101 is: establishing a corresponding relation between a liver MR scanning clinical purpose and an image sequence and a diagnosis idea, and setting priorities for the plurality of image sequences and the diagnosis idea;
step S102 is: determining a clinical purpose of a patient, receiving an MR scanning image sequence of the patient, determining an image sequence and a diagnosis idea corresponding to the clinical purpose based on the corresponding relation established in the step S101, and determining priority information of the image sequence and the diagnosis idea corresponding to the clinical purpose based on the priority set in the step S101;
step S103 is: calling the image sequence, the diagnosis thought and the priority information thereof determined in the step S102, and arranging the called image sequence and the diagnosis thought according to the sequence of the priorities from high to low;
step S104 is to display the image sequence and the diagnosis concept in the order arranged in step S103.
Preferably, the clinical purpose of the liver MR scanning and the priority order correspondence of the plurality of sequence diagnosis information are as follows:
the invention also provides an image sequence display system based on liver MR examination, which comprises a module for displaying the sequence diagnosis information according to the method.
Further, the above system comprises: the device comprises an establishing module, a matching module, a coding module and a sending module; the building module, the matching module, the coding module and the sending module are sequentially connected;
the establishing module comprises establishing a corresponding relation between a clinical purpose of liver MR scanning and sequence diagnosis information;
the matching module acquires a clinical purpose of a patient, receives an MR scanning image of the patient, and determines sequence diagnosis information corresponding to the clinical purpose based on the corresponding relation established by the establishing module;
the coding module acquires the sequence diagnosis information determined in the matching module;
the sending module is used for sending the sequence diagnosis information generation message acquired by the coding module to a terminal for displaying the sequence diagnosis information for display;
wherein the clinical purpose of one liver MR scan corresponds to one or more sequence diagnostic information; the sequence diagnosis information comprises an image sequence, and preferably, the sequence diagnosis information is the image sequence or the image sequence and a diagnosis idea corresponding to the image sequence.
Furthermore, the clinical purpose of the liver MR scanning corresponds to a plurality of sequence diagnosis information;
the establishing module further comprises: prioritizing the sequence diagnostic information;
the matching module further comprises: determining priority information of the sequence diagnostic information corresponding to the clinical purpose based on the priority set by the establishing module;
the encoding module further comprises: sequencing the obtained sequence diagnosis information according to the priority information from high to low;
and the sending module is used for sending the sequence diagnosis information with the sequence arranged by the coding modules to a terminal of the sequence diagnosis information for displaying.
The invention also provides a computer-readable storage medium, on which a computer program is stored, which is used to implement the above-mentioned image sequence presentation method for the purpose of a liver MR examination.
The invention has the beneficial effects that: based on different examination purposes and specific expression of disease image characteristics, the method can optimally sequence complicated liver MR image sequences, set sequences highly related to patient disease diagnosis, save time for positioning a target sequence by a radiologist, contribute to quick and accurate primary judgment and improve working efficiency.
The terms "sequence", "image sequence" of the invention refer to: during MRI imaging, to specifyInfluence factor of the MR signal (specific scanning scheme) the resulting image. These scanning schemes typically include: location image, coronal position T2WI, cross section T2WI, same-inverse phase, magnetic resonance pancreaticobiliary imaging (MRCP), diffusion-weighted imaging (DWI), apparent diffusion coefficient mapping (ADC), flat scan T1WI, arterial phase T1WI, portal period T1WI, liver and gall stage T1WI, etc.
Obviously, many modifications, substitutions, and variations are possible in light of the above teachings of the invention, without departing from the basic technical spirit of the invention, as defined by the following claims.
The present invention will be described in further detail with reference to the following examples. This should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples. All the technologies realized based on the above contents of the present invention belong to the scope of the present invention.
Drawings
Fig. 1 is a flowchart of an image sequence display method for the purpose of liver MR examination in example 1.
Fig. 2 is a block diagram of an image sequence display system for the purpose of liver MR examination in example 6.
Detailed Description
The equipment used in the invention is a known product and is obtained by purchasing a commercial product.
Example 1 method for presenting an image sequence for the purpose of an MR examination of the liver (without priority)
The clinical purpose is "polycystic liver follow-up" as an example. The image sequence display method based on the purpose of liver MR examination in this embodiment, as shown in fig. 1, includes the following steps:
s101: establishing a corresponding relation between the clinical purpose and the sequence of the liver MR scanning applicable to the method; as shown in table 1.
TABLE 1
S102: receiving the image sequence (DICOM image) obtained by MR examination of the patient, determining the clinical purpose of the patient, and confirming that "polycystic liver" and "follow-up" are "diagnosis and follow-up" item of polycystic liver with number 10 in Table 1, corresponding to "T2WI "sequence.
S103: acquiring "T" in the image sequence of step S1022Series uid of WI "sequence (obtainable by the system disclosed in the patent application with publication No. CN110853740A, or other methods established by one skilled in the art by means of conventional techniques in the art);
s104: the SeriesUID generation HL7 message of the above generated sequence is sent to the browser for viewing by the doctor.
Example 2 image sequence presentation method for liver MR examination purposes (without priority)
The clinical objective is "follow-up of cirrhosis" as an example. The image sequence display method for the purpose of liver MR examination in this embodiment includes:
s101: establishing a corresponding relation between the clinical purpose and the sequence of the liver MR scanning applicable to the method; as shown in table 1.
S102: receiving the image sequence (DICOM image) obtained by MR examination of the patient, determining the clinical purpose of the patient, confirming that the "liver cirrhosis" and "follow-up" are the "follow-up visit of liver cirrhosis" item numbered 1 in Table 1, and corresponding to "hepatobiliary stage T1WI, arterial phase T1WI, portal phase T1WI "sequence.
S103: acquisition of "hepatobiliary stage T" in step S1021WI, arterial phase T1WI, portal phase T1Series uid of WI "sequence; this sequence is non-priority, randomly ordered.
S104: the SeriesUID generation HL7 message of the above generated sequence is sent to the browser for viewing by the doctor.
Example 3 method for presenting an image sequence for the purpose of an MR examination of the liver (with priority)
The clinical objective is "follow-up of cirrhosis" as an example. The image sequence display method for the purpose of liver MR examination in this embodiment includes:
s101: establishing a corresponding relation between the clinical purpose and the sequence of the liver MR scanning applicable to the method; as shown in table 2.
TABLE 2 correspondence between clinical goals of liver MR scans and preferentially presented sequences
S102: receiving the image sequence (DICOM image) obtained by MR examination of the patient, determining the clinical purpose of the patient, confirming that "liver cirrhosis" and "follow-up" are the "follow-up visit for liver cirrhosis" item numbered 1 in Table 2, and corresponding to "hepatobiliary stage T1WI, arterial phase T1WI, portal phase T1WI "sequence. The sequence has priority order, and the priority is from high to low, namely the hepatobiliary period T1WI → arterial phase T1WI → portal phase T1WI。
S103: sequentially acquiring the hepatobiliary periods T in step S1021WI → arterial phase T1WI → portal phase T1SeriesUID of WI sequences, ordered;
s104: the SeriesUID of the priority sequence generated above generates an HL7 message and sends the message to the browser, and the doctor can check according to the order of the priority sequence.
Example 4 an image sequence presentation method for liver MR examination purposes (without priority)
The clinical objective is "follow-up of cirrhosis" as an example. The image sequence display method for the purpose of liver MR examination in this embodiment includes:
s101: establishing a corresponding relation between the clinical aim, diagnosis thought and sequence of liver MR scanning applicable to the method; as shown in table 3.
TABLE 3 correspondence between clinical purpose, sequence and diagnostic idea of liver MR scan
S102: receiving the image sequence (DICOM image) obtained by MR examination of the patient, determining the clinical purpose of the patient, confirming that "liver cirrhosis" and "follow-up" are the "follow-up visit of liver cirrhosis" item numbered 1 in Table 3, and corresponding to "hepatobiliary stage T1WI, arterial phase T1WI, portal phase T1WI "sequence. Each sequence corresponds to a diagnostic concept, hepatobiliary T1WI corresponding to the detection of intrahepatic (minute) lesions and the evaluation of hepatocyte functions thereof; arterial phase T1WI correspondingly observes the hepatic artery blood supply condition of the liver tumor; portal period T1WI correspondingly observes the blood supply condition of the portal vein of the liver tumor;
s103: acquisition of "hepatobiliary stage T" in step S1021WI, arterial phase T1WI, portal phase T1Series uid of WI "sequence, and corresponding diagnostic ideas; the sequences correspond to diagnosis ideas one by one, but have no priority and are randomly arranged.
S104: the SeriesUID of the sequence generated above and the corresponding diagnostic thought generation HL7 message are sent to the browser for the doctor to view.
Example 5 method for presenting an image sequence for the purpose of MR examination of the liver (with priority)
The clinical objective is "follow-up of cirrhosis" as an example. The image sequence display method for the purpose of liver MR examination in this embodiment includes:
s101: establishing a corresponding relation between the clinical aim, the diagnosis thought and the priority sequence of the liver MR scanning applicable to the method; as shown in table 4.
TABLE 4 correspondence between clinical purpose of liver MR scan, preferentially displayed sequence and diagnostic idea
S102: receiving the image sequence (DICOM image) obtained by MR examination of the patient, determining the clinical purpose of the patient, confirming that "liver cirrhosis" and "follow-up" are the "follow-up visit of liver cirrhosis" item numbered 1 in Table 4, and corresponding to "hepatobiliary stage T1WI, arterial phase T1WI, portal phase T1WI "sequence. Each sequence corresponds to a diagnostic concept, the sequence has priority order, and is liver and gall period T1WI → arterial phase T1WI → portal phase T1WI。
S103: the "hepatobiliary period T" in step S102 is obtained in order1WI → arterial phase T1WI → portal phase T1Series UIDs of WI' sequences, with their one-to-one corresponding diagnostic ideas arranged in the corresponding order.
S104: and generating a series UID of the priority sequence and the corresponding diagnosis thought in the ranking order to send an HL7 message to a browser for a doctor to view.
Embodiment 6 image sequence display system based on the purpose of liver MR examination
The clinical purpose is 'follow-up after radiotherapy/chemotherapy treatment of liver cancer' as an example. The image sequence display system for the purpose of MR examination of the liver according to the present embodiment, as shown in fig. 2, includes: a building module 10, a matching module 20, an encoding module 30 and a sending module 40. The establishing module 10, the matching module 20, the coding module 30 and the sending module 40 are sequentially connected;
the establishing module 10 is used for establishing the corresponding relation between the clinical purpose and the sequence of the liver MR scanning; as shown in table 1;
a matching module 20 for receiving the DICOM image of the patient, determining the clinical purpose of the patient, confirming that the follow-up visit after the radiotherapy/chemotherapy of liver cancer is the follow-up visit after the radiotherapy/chemotherapy of liver cancer item numbered 7 in Table 1, and corresponding to the flat scan T1WI, arterial phase T1A WI "sequence;
encoding module 30, obtaining the "flat sweep T" in the matching module1WI, arterial phase T1Series uid of WI "sequence;
and the sending module 40 is used for sending the series UID generation message of the acquired sequence to a browser for a doctor to check.
Embodiment 7 image sequence display System based on the purpose of liver MR examination
The image sequence display system for the purpose of liver MR examination in this embodiment includes: a building module 10, a matching module 20, an encoding module 30 and a sending module 40. The establishing module 10, the matching module 20, the coding module 30 and the sending module 40 are sequentially connected;
the establishing module 10 is used for establishing the corresponding relation between the clinical purpose and the sequence of the liver MR scanning; as shown in table 4;
a matching module 20 for receiving the DICOM image of the patient, determining the clinical purpose of the patient, and determining that the follow-up visit after radiotherapy/chemotherapy for liver cancer is the follow-up visit after radiotherapy/chemotherapy for liver cancer item numbered 7 in Table 4, corresponding to the' flat scan T1WI, arterial phase T1A WI "sequence; the sequence has priority, according to the flat sweep T1WI → arterial phase T1WI order presentation, priority sequence andthe diagnosis ideas correspond to one another.
The coding module 30, in turn, acquires the "flat scan T" in the matching module1WI → arterial phase T1Series uid of WI "sequence;
and the sending module 40 is used for sending the acquired series UID of the priority sequence and the corresponding diagnosis thought generation message to a browser for a doctor to check.
In conclusion, the invention provides an image sequence display method and system based on the purpose of liver MR examination, which are used for pertinently providing the optimized display sequence of all MR sequences based on the purpose of liver MR examination, providing diagnosis ideas corresponding to the sequences for doctors to refer to, optimizing the work flow, improving the report writing and diagnosis efficiency of the diagnosis doctors and having good popularization and application prospects.
Claims (10)
1. An image sequence display method based on the purpose of liver MR examination is characterized by comprising the following steps:
s101: establishing a corresponding relation between a clinical purpose of liver MR scanning and sequence diagnosis information;
s102: determining a clinical purpose of a patient, receiving an MR scanning image sequence of the patient, and determining sequence diagnosis information corresponding to the clinical purpose based on the corresponding relation established in the step S101;
s103: calling the sequence diagnosis information determined in the step S102;
s104: displaying the sequence diagnosis information called in the step S103;
the sequence diagnostic information includes a sequence of images.
2. The method of claim 1, wherein a liver MR scan clinical purpose corresponds to one or more serial diagnostic information.
3. The method of claim 1 or 2, wherein the clinical objectives of the MR scan of the liver include: follow-up of cirrhosis, diagnosis of small liver cancer with increased AFP but no manifestation under ultrasound, qualitative diagnosis of liver occupancy, BCLC stage of liver cancer, confirmation of liver cancer surgical resection range, follow-up of liver cancer surgical resection/TACE/RFA treatment, follow-up of liver cancer radiotherapy/chemotherapy treatment, confirmation of liver metastasis of breast cancer/lung cancer/colorectal cancer, confirmation of lesion part of obstructive jaundice, diagnosis and follow-up of polycystic liver, diagnosis and follow-up of hemochromatosis and/or diagnosis and follow-up of fatty liver;
the sequence of images includes: hepatic and biliary stage T1WI image sequence, arterial phase T1WI image sequence, portal phase T1WI image sequence, DWI image sequence, same-phase and opposite-phase image sequence, flat scan T1WI image sequence, MRCP image sequence and/or T2WI image sequences.
4. The method of claim 1 or 2, wherein the sequence diagnostic information further comprises diagnostic ideas corresponding to the sequence of images.
5. The method of claim 4, wherein the diagnostic thread comprises: detecting the focus in liver and evaluating the function of liver cell, observing the blood supply of liver artery, portal vein, identifying the quality of liver tumor, fatty lesion of liver, micro blood vessel invasion of hepatocellular carcinoma, intrahepatic structure and size, biliary calculus or expansion, cystic lesion of liver or iron overload of liver.
6. The method of claim 2, wherein the one liver MR scan clinical purpose corresponds to a plurality of serial diagnostic information, the plurality of serial diagnostic information comprising a plurality of image sequences;
step S101 includes: establishing a corresponding relation between a clinical purpose of liver MR scanning and an image sequence, and setting priorities for the plurality of image sequences;
step S102 includes: determining a clinical purpose of a patient, receiving an MR scanning image sequence of the patient, and determining an image sequence corresponding to the clinical purpose and priority information of the image sequence based on the corresponding relation established in the step S101;
step S103 includes: calling the image sequence and the priority information determined in the step S102, and arranging the called image sequence according to the sequence of the priority from high to low;
step S104 includes: the image sequence is presented in the order arranged in step S103.
7. The method of claim 6, wherein the plurality of sequence diagnostic information further comprises a plurality of diagnostic ideas corresponding to the plurality of image sequences;
step S101 is: establishing a corresponding relation between a liver MR scanning clinical purpose and an image sequence and a diagnosis idea, and setting priorities for the plurality of image sequences and the diagnosis idea;
step S102 is: determining a clinical purpose of a patient, receiving an MR scanning image sequence of the patient, determining an image sequence and a diagnosis idea corresponding to the clinical purpose based on the corresponding relation established in the step S101, and determining priority information of the image sequence and the diagnosis idea corresponding to the clinical purpose based on the priority set in the step S101;
step S103 is: calling the image sequence, the diagnosis thought and the priority information thereof determined in the step S102, and arranging the called image sequence and the diagnosis thought according to the sequence of the priorities from high to low;
step S104 is to display the image sequence and the diagnosis concept in the order arranged in step S103.
8. An image sequence presentation system based on an MR examination of the liver, characterized in that it comprises means for presenting sequence diagnostic information according to the method of any one of claims 1 to 7.
9. The system of claim 8, comprising: the device comprises an establishing module, a matching module, a coding module and a sending module; the building module, the matching module, the coding module and the sending module are sequentially connected;
the establishing module comprises establishing a corresponding relation between a clinical purpose of liver MR scanning and sequence diagnosis information;
the matching module acquires a clinical purpose of a patient, receives an MR scanning image of the patient, and determines sequence diagnosis information corresponding to the clinical purpose based on the corresponding relation established by the establishing module;
the coding module acquires the sequence diagnosis information determined in the matching module;
the sending module is used for sending the sequence diagnosis information generation message acquired by the coding module to a terminal for displaying the sequence diagnosis information for display;
wherein the clinical purpose of one liver MR scan corresponds to one or more sequence diagnostic information; the sequence diagnosis information comprises an image sequence, and preferably, the sequence diagnosis information is the image sequence or the image sequence and a diagnosis idea corresponding to the image sequence;
preferably, the one liver MR scan clinical purpose corresponds to a plurality of sequence diagnostic information;
the establishing module further comprises: prioritizing the sequence diagnostic information;
the matching module further comprises: determining priority information of the sequence diagnostic information corresponding to the clinical purpose based on the priority set by the establishing module;
the encoding module further comprises: sequencing the obtained sequence diagnosis information according to the priority information from high to low;
and the sending module is used for sending the sequence diagnosis information with the sequence arranged by the coding modules to a terminal of the sequence diagnosis information for displaying.
10. A computer-readable storage medium characterized by: stored thereon a computer program for implementing the method for image sequence presentation for the purpose of liver MR examination according to any one of claims 1 to 7.
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