CN105678052B - The management method of DICOM files and management system - Google Patents
The management method of DICOM files and management system Download PDFInfo
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- 238000007726 management method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims description 19
- 238000013507 mapping Methods 0.000 claims description 10
- 238000012163 sequencing technique Methods 0.000 claims description 2
- 230000002123 temporal effect Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
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- 238000012552 review Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000013170 computed tomography imaging Methods 0.000 description 1
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Abstract
The present invention provides a kind of management method of DICOM file and management systems, check that the either field in information table, sequence information table or image information table is used as sort field by being chosen in user interface in the management method of the DICOM file, the value of sort field is ranked up according to ordering rule, and the information table chosen according to ranking results update, the corresponding major key of updated information table is obtained by archiving server again, the DICOM file of corresponding sequence is read from DICOM file library according to major key and filing is sent to PACS system.Based on the method for the present invention, user selected and sorted field can accordingly be sorted before picture archiving is sent to PACS system, so as to meet different user operating habit, be improved work efficiency.
Description
Technical Field
The invention relates to the technical field of medicine, in particular to a management method and a management system of DICOM files.
Background
The PACS System (Picture archiving and Communication System) is an integrated System that has been rapidly developed in recent years with the advancement of digital imaging technology, computer technology, and network technology, and is intended to comprehensively solve acquisition, display, storage, transmission, and management of medical images. Because of advanced image processing technology and communication technology as support means, the PACS system can greatly improve the current transaction processing capability of hospitals, improve the working efficiency, save the cost and overcome the defect of manual film management.
A complete PACS system can be divided into five units, medical image acquisition, mass data storage, image display and processing, database management, and local or wide area networks that transmit images. The image display and processing are important components of the PACS system, the medical image is mainly generated for diagnosis, and if no front-end film reading with good man-machine interaction is available for support, effective diagnosis can not be mentioned. Medical image imaging technologies are various, such as DR, CT, MR, MG, and the like, different imaging devices have different diagnostic meanings, and doctors perform interpretation on the medical images in different ways, but for front-end interpretation, the doctors cannot be required to perform diagnosis on different images by using different software. Moreover, when a doctor diagnoses a patient, the doctor often synthesizes different types of images to perform comparative analysis, and the final result is obtained.
Because the PACS system documents many types of medical images, such as CT, DR, MR, and MG, which are generated according to different imaging principles, the number of images included in each type of image and the resolution of the image are different. For example, the CT image has good imaging effect on high-density tissues, and can clearly acquire the anatomical structure of high-density bone tissues of a human body; the MR image is imaged by depending on water molecules of a human body, and the soft group imaging effect on the water content of the human body is good; CT and MR images are tomography images, section data can be divided into a plurality of sequences, and each sequence has a plurality of images; MG is mainly used for diagnosing breast cancer, the focus of early breast cancer is small, and MG image resolution is high for effective diagnosis. For various reasons as described above, the window width, the layout annotation, the layout display mode, the image manipulation mode, and the like required for each image type are different during interpretation. Meanwhile, each doctor has different operation habits, so in practical application, different doctors adopt different operation methods.
The PACS system cannot meet the needs of everyone for different operational habits of different doctors, because the medical image acquisition generates a plurality of medical image series, which comprise an overview for planning a diagnostic scan. These series are sent to the PACS system for review by the physician according to the chronological order of acquisition of the images, and therefore, selective review according to the needs of the reviewer is not possible.
Disclosure of Invention
The invention aims to provide a DICOM file management method and a DICOM file management system, which aim to solve the problem that operation habits of different users cannot be met by browsing medical images in a PACS system according to the acquisition time sequence of the medical images in the prior art.
In order to solve the above technical problem, the present invention provides a DICOM file management method, including:
acquiring a medical image under the current examination, generating a sequence information table and an image information table by a database according to the medical image, and generating a DICOM file by a DICOM file library according to the medical image; the sequence information table is inserted into a currently checked checking information table, the image information table is inserted into the sequence information table, the DICOM file and the image information table are in a mapping relation, and the checking information table, the sequence information table and the image information table respectively correspond to respective main keys;
taking any field in the inspection information table, the sequence information table or the image information table as a sorting field, wherein the sorting field can be displayed on a user interface and can be selected, sorting the values of the sorting field according to a sorting rule, and updating the selected information table according to a sorting result;
and the archiving server acquires the primary key corresponding to the updated information table, reads the corresponding sequenced DICOM file from the DICOM file library according to the primary key, archives the DICOM file and sends the DICOM file to the PACS system.
Optionally, in the method for managing a DICOM file, the sorting rule is arranged in a forward or reverse order according to the value of the sorting field.
Optionally, in the method for managing a DICOM file, the type of the sorting field is a pure number type, a string type, or a time type.
Optionally, in the method for managing a DICOM file, the sorting rule is:
if the sorting field is a pure digital type field, performing forward sorting or reverse sorting according to the numerical value;
if the sorting field is a character string type field, carrying out forward sorting or reverse sorting according to the ASCII value of the letters;
and if the sorting field is a time type field, performing forward sorting or backward sorting according to the front and back of time.
Optionally, in the method for managing a DICOM file, the sorting field includes one or more of a name of the examiner, an examination time, an examiner number, and a date of birth of the examiner.
The invention also provides a DICOM file management system, which comprises: the database module is used for generating a sequence information table and an image information table according to the acquired medical images under the current examination, and respectively allocating corresponding main keys to the examination information table, the sequence information table and the image information table; wherein, the sequence information table is inserted under a current checking information table, and the image information table is inserted under the sequence information table;
the DICOM file library module is used for generating a DICOM file according to the acquired medical image and constructing a mapping relation between the image information table and the DICOM file;
the sorting module is used for selecting any field in the inspection information table, the sequence information table or the image information table as a sorting field on a user interface, sorting the values of the sorting field according to a sorting rule, and updating the selected information table according to a sorting result;
the archiving module is used for acquiring the primary key corresponding to the updated information table, reading the DICOM file with corresponding sequencing from the database according to the primary key and archiving the DICOM file;
and the PACS module receives the archived DICOM file sent by the archiving module.
Optionally, in the DICOM file management system, the sorting rule is arranged in a forward or reverse order according to the value of the sorting field.
Optionally, in the DICOM file management system, the type of the sorting field is a pure number type, a string type, or a time type.
Optionally, in the DICOM file management system, the sorting rule is:
if the sorting field is a pure digital type field, performing forward sorting or reverse sorting according to the numerical value;
if the sorting field is a character string type field, carrying out forward sorting or reverse sorting according to the ASCII value of the letters;
and if the sorting field is a time type field, performing forward sorting or backward sorting according to the front and back of time.
Optionally, in the DICOM file management system, the sorting field includes one or more of a checker name, a checker time, a checker number, and a date of birth of the checker.
In the DICOM file management method and system provided by the invention, any field in a check information table, a sequence information table or an image information table is selected as a sorting field on a user interface, the values of the sorting field are sorted according to a sorting rule, the selected information table is updated according to a sorting result, a primary key corresponding to the updated information table is obtained by a filing server, and a DICOM file which is correspondingly sorted is read from a DICOM file library according to the primary key and is filed and sent to a PACS. Based on the method of the invention, the user can select the sorting field to carry out corresponding sorting before the medical image is filed and sent to the PACS system, thereby meeting the operation habits of different users and improving the working efficiency.
Drawings
Fig. 1 is a flowchart of a DICOM file management method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a DICOM file management system.
In FIG. 2, database module-1; DICOM File repository Module-2; a sorting module-3; an archiving module-4; PACS module-5.
Detailed Description
The following describes the DICOM file management method and management system in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example one
Fig. 1 is a flowchart of a DICOM file management method in this embodiment, and as shown in fig. 1, the DICOM file management method includes:
step S1: acquiring a medical image under the current inspection, generating a sequence information table and an image information table by a database according to the medical image, and generating a DICOM file by a DICOM file library according to the medical image, wherein the sequence information table is inserted into an inspection information table under the current inspection, the image information table is inserted into the sequence information table, the DICOM file and the image information table are in a mapping relation, and the inspection information table, the sequence information table and the image information table respectively correspond to respective main keys;
step S2: taking any field in the inspection information table, the sequence information table or the image information table as a sorting field, wherein the sorting field can be displayed on a user interface and can be selected, sorting the values of the sorting field according to a sorting rule, and updating the selected information table according to a sorting result;
step S3: and the archiving server acquires the primary key corresponding to the updated information table, reads the corresponding sequenced DICOM file from the DICOM file library according to the primary key, archives the DICOM file and sends the DICOM file to the PACS system.
Specifically, in step S1, before the medical image is acquired under the current examination (for example, before the medical image scanning is performed), the database generates an examination information table under the corresponding examination based on other medical information such as HIS information (Hospital information system) or RIS information input at the time of patient visit, and at this time, the sequence information table and the image information table are not generated, and the DICOM file is not generated. When the scan is completed (i.e., the medical image has been acquired), the sequence information table, the image information table, and the DICOM file are generated. The sequence information table and the image information table are stored in a database, the database can insert the sequence information table into a currently checked checking information table, the image information table is inserted into the sequence information table, and the three information tables form a checking-sequence-image three-level data model; the relationship among the three information tables has a logical upper and lower hierarchical relationship, and the levels are sequentially arranged from high to low: check information table-sequence information table-image information table. The DICOM file is stored in the DICOM database and is associated with the DICOM file through an image information table, preferably, the DICOM file and the image information table are in a mapping relationship in this embodiment. In order to uniquely identify the corresponding examination, sequence or image, the database allocates a primary key with a unique identifier to the examination information table, the sequence information table and the image information table respectively, and the primary key is respectively as follows: a check information table uid (studylnsentaceuid), a sequence information table uid (serieslnsentaceuid), and an image information table uid (sopinsentaceuid). If the medical image is obtained by non-field scanning, that is, the DICOM file is transmitted through a server, a PACS system or other storage media, the corresponding inspection information table, sequence information table and file information table are generated in the database to form an inspection-sequence-image three-level data model; the corresponding DICOM file is stored in the DICOM file library and is related to the DICOM file through the image information table.
In order to better understand the logical upper and lower hierarchical relationships of the sequence information table, the inspection information table, the image information table, and the mapping relationship between the image information table and the DICOM file, table 1, table 2, and table 3 are specifically described in detail.
| Examination information table UID | Inspection time |
| 1 | 2015/12/21 |
| 2 | 2015/01/20 |
TABLE 1
Table 1 shows a examination information table, and before a patient acquires a medical image under a current examination (for example, before a medical image scan is performed), the examination information table shown in table 1 is generated in the database only based on medical information such as HIS, etc., in the table, a 1 st column field "examination information table UID" is a primary key of a corresponding examination, which is a unique identifier of the examination in the database, a 2 nd column field is an examination time, a date in the column is a value of the corresponding examination, i.e., a description of the date of the examination under the examination information table UID, and contents in a second row and a third row are records corresponding to examination 1 and examination 2.
| Sequence information table UID | Sequence scanning protocol | Examination information table UID |
| 1.2.3.10.9 | CT head | 1.2.3.10 |
| 1.2.3.11.9 | PET chest | 1.2.3.11 |
TABLE 2
| Image information table UID | Sequence information table UID | DICOM file storage path |
| 1.2.3.45678.9.1 | 1.2.3.10.9 | E:\1.dcm |
| 1.2.3.45678.9.2 | 1.2.3.11.9 | E:\1.dcm |
TABLE 3
Medical images are acquired under the current examination, and sequence information tables and image information tables as shown in tables 2 and 3 are generated, respectively. The sequence information table is inserted under the check information table, and the image information table is inserted under the sequence information table. The logical upper and lower hierarchical relation of check-sequence-image is formed by a check information table UID (studyInstanceUID), a sequence information table UID (seriesInstanceUID), and an image information table UID (SopInsentanceUID).
Table 2 is a sequence information table, in which a field "sequence information table UID" in column 1 is a primary key corresponding to a sequence, a field "inspection information table UID" in column 3 is an external key corresponding to a primary key of an upper inspection, that is, inspection information table UID, to realize a logical upper and lower hierarchical relationship of inspection and sequence, for example, two sequences having values 1.2.3.10 and 1.2.3.11 of the sequence information table UID in table 2 are sequences under inspection with inspection UID of 1. The field "sequential scanning protocol" shown in column 2 of table 2 is a description of the sequential scanning protocol, i.e., the scanning location. For example, the scanning position under the sequence information table UID of 1.2.3.10.9 is the head scanned by the CT imaging device.
Table 3 is an image information table describing images and realizing a logical top-bottom hierarchical relationship between images and sequences through the image information table UID and the sequence information table UID, for example, 1.2.3.45678.9.1 and 1.2.3.45678.9.1 are both images under the sequence information table UID1.2.3. The image information table forms a mapping relation with the DICOM file in the DICOM database. Preferably, as shown in table 3, each record in the table maps the image information table UID to a DICOM file storage path, through which the database can read the corresponding DICOM file in the DICOM database according to the image information table. Due to the checking-sequence-image three-level data model, the checking information table and the sequence information table which are logically upper-layer relations of the image information table can read the corresponding DICOM file in the DICOM database through the mapping relation between the image information table and the DICOM file.
In step S1, the database and the DICOM file library are two areas logically divided by various storage servers or storage hardware such as a hard disk and a cloud disk, and are not actually two independent pieces of hardware.
The process of executing step S2 is embodied in the question of how to satisfy selective interpretation according to the user' S needs. To this problem, the present invention solves the problem by ordering prior to archiving of medical images. Specifically, the film reading habit of the user is met in a man-machine interaction mode, the user can select sorting fields on a user interface before the medical images are filed according to requirements, then sorting is carried out on the values of the selected sorting fields according to a sorting rule, and an information table corresponding to the sorting fields is updated according to a sorting result, so that sorting of the medical images is completed.
The sorting rule is arranged in a forward order or a reverse order according to the value of the sorting field, the type of the sorting field can be a pure number type, a character string type or a time type, and the like, the sorting rule is not limited to sorting according to the size of the field value, and can sort according to a specific logic habit of a user, and the sorting rule is not particularly limited in this invention. Specifically, the sorting details of the different types of sorting fields according to the sorting rule are as follows:
the pure number type fields are arranged in a positive sequence or a reverse sequence according to the numerical value;
the character string type field is arranged in a forward order or a reverse order according to the ASCII value of the letters;
the time type field is arranged in a forward sequence or a backward sequence according to the front and back of the time.
Preferably, the sorting field is one or more of inspector name, inspector time, inspector number and inspector birth date.
The character string type field may be a field such as a checker number, the character string type field may be a field such as a scanning location, and the time type field may be a field such as a check time and a checker birth date, which are not particularly limited in the present invention.
Example two
Fig. 2 is a DICOM file management system in this embodiment, and as shown in fig. 2, the DICOM file management system includes: the system comprises a database module 1, a DICOM (digital imaging and communications in medicine) file library module 2, a sorting module 3, a filing module 4 and a PACS (picture archiving and communication system) module 5 which are connected in sequence; wherein,
the database module 1 is used for generating a sequence information table and an image information table according to the acquired medical images under the current examination, and respectively allocating corresponding main keys to the examination information table, the sequence information table and the image information table; the sequence information table is inserted into a current checking information table, and the image information table is inserted into the sequence information table; the DICOM file library module 2 generates a DICOM file according to the acquired medical image, and constructs a mapping relation between the image information table and the DICOM file; the sorting module 3 is used for selecting any field in the inspection information table, the sequence information table or the image information table as a sorting field on a user interface, sorting the values of the sorting field according to a sorting rule, and updating the selected information table according to a sorting result; the archiving module 4 is used for acquiring a primary key corresponding to the updated information table, reading a correspondingly ordered DICOM file from the database according to the primary key and archiving the DICOM file; and the PACS module receives the archived DICOM file sent by the archiving module.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
In summary, in the DICOM file management method and system provided by the present invention, any field in the check information table, the sequence information table or the image information table is selected as the sorting field in the user interface, the values of the sorting field are sorted according to the sorting rule, the selected information table is updated according to the sorting result, the filing server obtains the primary key corresponding to the updated information table, and the DICOM file corresponding to the sorting is read from the DICOM file library according to the primary key and filed and sent to the PACS system. Based on the method of the invention, the user can select the sorting field to carry out corresponding sorting before the medical image is filed and sent to the PACS system, thereby meeting the operation habits of different users and improving the working efficiency.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. A DICOM file management method is characterized by comprising the following steps:
acquiring a medical image under the current examination, generating a sequence information table and an image information table by a database according to the medical image, and generating a DICOM file by a DICOM file library according to the medical image; the sequence information table is inserted into a currently checked checking information table, the image information table is inserted into the sequence information table, the DICOM file and the image information table are in a mapping relation, and the checking information table, the sequence information table and the image information table respectively correspond to respective main keys;
taking any field in the inspection information table, the sequence information table or the image information table as a sorting field, wherein the sorting field can be displayed on a user interface and can be selected, sorting the values of the sorting field according to a sorting rule, and updating the selected information table according to a sorting result;
and the archiving server acquires the primary key corresponding to the updated information table, reads the corresponding sequenced DICOM file from the DICOM file library according to the primary key, archives the DICOM file and sends the DICOM file to the PACS system.
2. The method of claim 1, wherein the ordering rules are positive or negative based on the values of the ordering fields.
3. The method of claim 1, wherein the sort field is of a pure numeric type, a string type, or a temporal type.
4. The method of claim 3, wherein the ordering rule is:
if the sorting field is a pure digital type field, performing forward sorting or reverse sorting according to the numerical value;
if the sorting field is a character string type field, carrying out forward sorting or reverse sorting according to the ASCII value of the letters;
and if the sorting field is a time type field, performing forward sorting or backward sorting according to the front and back of time.
5. The method of claim 1, wherein the sorting fields are one or more of inspector name, inspector time, inspector number and inspector birth date.
6. A DICOM file management system, comprising:
the database module is used for generating a sequence information table and an image information table according to the acquired medical images under the current examination, and respectively allocating corresponding main keys to the examination information table, the sequence information table and the image information table; wherein, the sequence information table is inserted under a current checking information table, and the image information table is inserted under the sequence information table;
the DICOM file library module is used for generating a DICOM file according to the acquired medical image and constructing a mapping relation between the image information table and the DICOM file;
the sorting module is used for selecting any field in the inspection information table, the sequence information table or the image information table as a sorting field on a user interface, sorting the values of the sorting field according to a sorting rule, and updating the selected information table according to a sorting result;
the archiving module is used for acquiring the primary key corresponding to the updated information table, reading the DICOM file with corresponding sequencing from the database according to the primary key and archiving the DICOM file;
and the PACS module receives the archived DICOM file sent by the archiving module.
7. The DICOM file management system of claim 6, wherein the ordering rule is positive or negative based on the value of the ordering field.
8. The DICOM file management system of claim 6, wherein the sort field is of a type of a pure number, a string, or a time type.
9. The DICOM file management system of claim 8, wherein the ordering rule is:
if the sorting field is a pure digital type field, performing forward sorting or reverse sorting according to the numerical value;
if the sorting field is a character string type field, carrying out forward sorting or reverse sorting according to the ASCII value of the letters;
and if the sorting field is a time type field, performing forward sorting or backward sorting according to the front and back of time.
10. The DICOM file management system of claim 6, wherein the sorting fields are one or more of inspector name, inspector time, inspector number, and inspector birth date.
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| CN106202568A (en) * | 2016-08-05 | 2016-12-07 | 欧阳能良 | Control system and standardized control method for medical laboratory quality management system file |
| CN107863140A (en) * | 2017-11-06 | 2018-03-30 | 贵阳朗玛信息技术股份有限公司 | The processing method and processing device of DICOM file |
| CN107908772B (en) * | 2017-11-30 | 2020-10-30 | 中国人民解放军陆军工程大学 | WebSQL multifunctional sequence realization method and device |
| CN110782973B (en) * | 2019-10-29 | 2022-11-11 | 京东方科技集团股份有限公司 | Medical image information grading storage method and device, computer equipment and medium |
| CN111223555B (en) * | 2019-12-26 | 2021-03-26 | 北京安德医智科技有限公司 | DICOM expansion method for medical image artificial intelligence auxiliary diagnosis result representation |
| CN111242085A (en) * | 2020-01-21 | 2020-06-05 | 上海商汤智能科技有限公司 | Reordering processing device |
| CN113035326A (en) * | 2021-02-26 | 2021-06-25 | 上海联影智能医疗科技有限公司 | Information processing method of PACS (Picture archiving and communication System), medical image processing method and electronic equipment |
| CN114343607B (en) * | 2022-01-06 | 2023-11-10 | 四川大学华西医院 | Image sequence display method and system based on liver MR examination purpose |
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