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WO2022024465A1 - Dispositif d'aide à l'examen/traitement médical et procédé de fonctionnement pour dispositif d'aide à l'examen/ traitement médical - Google Patents

Dispositif d'aide à l'examen/traitement médical et procédé de fonctionnement pour dispositif d'aide à l'examen/ traitement médical Download PDF

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Publication number
WO2022024465A1
WO2022024465A1 PCT/JP2021/015320 JP2021015320W WO2022024465A1 WO 2022024465 A1 WO2022024465 A1 WO 2022024465A1 JP 2021015320 W JP2021015320 W JP 2021015320W WO 2022024465 A1 WO2022024465 A1 WO 2022024465A1
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WIPO (PCT)
Prior art keywords
medical
examination
axis
site
image
Prior art date
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Ceased
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PCT/JP2021/015320
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English (en)
Japanese (ja)
Inventor
玲奈 加茂田
拓矢 湯澤
崇 平野
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Fujifilm Corp
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Fujifilm Corp
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Priority to JP2022540017A priority Critical patent/JP7515596B2/ja
Publication of WO2022024465A1 publication Critical patent/WO2022024465A1/fr
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H30/00—ICT specially adapted for the handling or processing of medical images

Definitions

  • the present invention relates to a medical care support device and a method of operating the medical care support device.
  • MRI Magnetic Resonance Imaging
  • CT Computer Tomography
  • Japanese Patent No. 5765913 Japanese Unexamined Patent Publication No. 2019-208835 Japanese Patent No. 60279960
  • the conventional method has a problem that the medical image cannot be displayed in a state suitable for medical treatment.
  • some medical images include not only lesion sites for which the current image and the past image should be compared, but also those that do not include the lesion site and those that have defects such as image blurring. Some are not needed.
  • conventionally there is no distinction between the lesion site and other sites. For this reason, it is difficult to say that it is suitable for medical treatment simply by arranging the current image and the past image as in the conventional case.
  • the present invention has been made in consideration of the above background, and an object of the present invention is to provide a medical care support device capable of displaying a medical image in a state suitable for medical care, and an operation method of the medical care support device.
  • the medical care support device of the present invention is a medical care support device provided with an image processing processor, in which a medical image obtained by an examination in which the image processing processor images a plurality of parts is stored. From the medical image database, multiple medical images obtained by multiple examinations performed on a common patient at different examination times are acquired, and the examination axis on which the medical images with the same examination time are arranged and the examination.
  • the image display area may have a baseline in which the medical image as a reference of the lesion site is arranged in parallel with the examination axis regardless of the examination time.
  • a current inspection axis in which medical images obtained in the latest examination are arranged and a past inspection axis in which medical images obtained in a past examination than the latest examination are arranged may be provided. ..
  • the lesion site may be highlighted on the display screen.
  • the area including the lesion site may be enlarged and displayed.
  • Medical images arranged on a common site axis may be displayed on a common scale.
  • Medical images arranged on a common site axis may display a common site at a common position in the image.
  • Medical images arranged on a common site axis may be displayed with a common contrast.
  • the importance of the lesion site may be determined, and based on the determination result, it may be determined which site axis the medical image should be arranged on.
  • the importance may be determined using the growth rate of the lesion site.
  • the method of operating the medical care support device of the present invention is the method of operating the medical care support device provided with the image processing processor, in which the image processing processor takes an image of a plurality of parts. From the medical image database in which the obtained medical images are stored, multiple medical images obtained by multiple examinations performed on a common patient at different examination times are acquired, and the medical images having the same examination time are obtained.
  • a two-dimensional image display area having an examination axis in which medical images are arranged, an axis that intersects the examination axis, and an axis in which medical images having a common imaging site are arranged, and a site axis provided for each lesion site detected in the examination. Generates a display screen in which medical images acquired from the medical image database are arranged.
  • a medical treatment support device capable of displaying a medical image in a state suitable for medical treatment, and an operation method of the medical treatment support device.
  • the medical care support system 10 is a computer system for managing and using medical information in a medical facility such as a hospital.
  • the medical care support system 10 includes a medical care support server 11 (medical care support device), a client terminal 12, a modality 13, and a medical image server 22. These are connected to each other so as to be able to communicate with each other by a network 14 such as a LAN (Local Area Network) laid in the medical facility.
  • LAN Local Area Network
  • the medical care support server 11 functions as the medical care support device of the present invention. Specifically, the medical care support server 11 acquires the medical image 24 from the medical image database 22A of the medical image server 22 in accordance with the distribution request from the client terminal 12, and uses the acquired medical image 24 to display the screen 15 (FIG. FIG. 4) is generated. Then, the display screen 15 is delivered to the requesting client terminal 12. The display screen 15 is displayed on the display 34 of the client terminal 12.
  • the client terminal 12 is installed in each clinical department in a medical facility such as internal medicine, surgery, otolaryngology, and ophthalmology, and is operated by a doctor in each clinical department who is a user.
  • the client terminal 12 transmits a display screen distribution request to the medical care support server 11, and displays the display screen 15 distributed from the medical care support server 11 on the display 34 in response to the display screen distribution request. That is, the client terminal 12 functions as a viewer terminal for the doctor to view the display screen 15.
  • the medical care support server 11 distributes the display screen 15 to the client terminal 12 in the form of XML data for web distribution created by a markup language such as XML (Extensible Markup Language).
  • the client terminal 12 reproduces and displays the display screen 15 on the web browser based on the XML data.
  • Modality 13 is an inspection device that obtains a medical image 24 by imaging a plurality of sites (multiple positions of a subject) in one inspection.
  • an MRI (Magnetic Resonance Imaging) inspection device or a CT (Computed Tomography) inspection device is used.
  • the medical image server 22 is a so-called PACS (Picture Archiving and Communication System) server, and has a medical image database 22A in which the medical image 24 captured by the modality 13 is stored.
  • the medical image 24 is, for example, a CT image captured by a CT inspection device and an MRI image captured by an MRI inspection device.
  • the medical image 24 is, for example, image data created in a DICOM (Digital Imaging and Communications in Medicine) standard data file format, and can be searched and viewed from a client terminal 12 or the like using ancillary information or the like described later as a keyword. It is possible.
  • DICOM Digital Imaging and Communications in Medicine
  • Ancillary information is attached to the medical image 24.
  • the incidental information is information related to each medical image 24, and is the name, age, and gender of the patient of the subject, the imaging date and time (examination date and time), the imaging conditions, and the imaging site (which part of the patient is the image captured). Information), and image analysis information.
  • the image analysis information is information showing the analysis result obtained by analyzing the medical image 24, and includes the presence / absence of a lesion site, position, size (size), type, degree (stage), and the like.
  • the analysis of the medical image 24 may be performed by a human such as a doctor or may be performed mechanically by an image processing device or the like.
  • the medical image 24 is analyzed mechanically, for example, the medical image is divided into a plurality of small areas, and the image feature amount is calculated from the divided medical images. Then, based on the calculated feature amount, it is determined whether or not each small region is a lesion site, and a group of regions identified as the same type is extracted as one lesion site. Further, the type and / or the degree (stage) of the lesion site is determined based on the feature amount in the lesion site and the mode (position, size (size), shape, etc.) of the lesion site. It is preferable that various judgments in mechanical image processing are made by a machine learning algorithm such as a convolutional neural network or deep learning.
  • the medical care support server 11, the client terminal 12, and the medical image server 22 install a control program such as an operating system and an application program such as a server program or a client program based on a computer such as a server computer, a personal computer, or a workstation. It is composed of.
  • the computers constituting the medical care support server 11, the client terminal 12, and the like have the same basic configuration, and are the storage device 30, the memory 31, the CPU (Central Processing Unit) 32, and the communication unit, respectively. It includes 33, a display 34, and an input device 35. These are interconnected via the data bus 36.
  • the storage device 30 is a hard disk drive built in a computer constituting a medical care support server 11, a client terminal 12, or the like, or a hard disk drive connected via a cable or a network, or a disk array in which a plurality of hard disk drives are connected.
  • the storage device 30 stores control programs such as an operating system, various application programs, and display data of various operation screens associated with these programs.
  • the memory 31 is a work memory for the CPU 32 to execute a process.
  • the CPU 32 comprehensively controls each part of the computer by loading the program stored in the storage device 30 into the memory 31 and executing the processing according to the program.
  • the communication unit 33 is a network interface that controls transmission of various information via the network 14.
  • the display 34 displays various operation screens according to the operation of the input device 35 such as a mouse and a keyboard.
  • the operation screen is equipped with an operation function by GUI (Graphical User Interface).
  • GUI Graphic User Interface
  • the computer constituting the medical care support server 11, the client terminal 12, and the like accepts the input of the operation instruction from the input device 35 through the operation screen.
  • browsing software for browsing the display screen 15 is installed in the client terminal 12, and in the client terminal 12, the CPU 32 cooperates with the memory 31 when the browsing software is started. Then, it functions as a GUI control unit 40 and a request issuing unit 41.
  • display screen generation software for generating the display screen 15 is installed in the medical care support server 11, and in the medical care support server 11, the CPU 32 cooperates with the memory 31 when the display screen generation software is started. It works to configure the image processing processor of the present invention and functions as a display screen generation unit 42.
  • the GUI control unit 40 controls the screen to be displayed on the display 34 in response to an operation instruction input from the input device 35 of the client terminal 12 through a button click operation or the like by the cursor 43.
  • the request issuing unit 41 issues various requests according to the operation instructions made via the GUI control unit 40, and transmits them to the medical care support server 11.
  • Various requests include a delivery request for the display screen 15 and a display switching request for designating and changing the medical image 24 to be displayed on the display screen 15.
  • the display screen generation unit 42 receives a distribution request from the client terminal 12, generates a display screen 15, and distributes it to the client terminal 12.
  • the distributed display screen 15 is displayed on the display 34 of the client terminal 12 via the GUI control unit 40.
  • the display screen generation unit 42 receives the display switching request and changes the display content of the display screen 15 (display switching). Specifically, a new display screen 15 whose display contents are changed in response to a display switching request is generated and distributed. Then, the new display screen 15 is displayed on the display 34 of the client terminal 12, so that the display content is changed. In this way, in the medical care support system 10, the display screen 15 can be displayed and the display contents can be changed by operating the client terminal 12.
  • the display screen 15 includes a medical image display area 50, an examination time display area 52, 54, a bird's-eye view image display area 56, and a pre-enlargement image display area 58.
  • the display screen 15 is for observing the lesion site and its temporal change, etc. for a common patient, and allows the patient to be observed (the patient of the subject of the medical image 24 displayed on the display screen 15) to be observed through the client terminal 12. It is generated by the display screen generation unit 42 by designating and transmitting a delivery request to the medical care support server 11.
  • the medical image display area 50 is a two-dimensional area in which the medical image 24 is arranged, and intersects the inspection axes 61 and 62 and the inspection axes 61 and 62 (vertical in the present embodiment). (Crossing) site axes 71, 72, 73. Further, the medical image display area 50 includes a baseline 81 parallel to the inspection axes 61 and 62. The inspection axes 61, 62, the site axes 71, 72, 73, and the baseline 81 are all virtual line segments (axises, lines) that are not displayed on the display screen 15 (cannot be visually recognized by the user).
  • Medical images 24 having a common inspection time are arranged on the inspection axes 61 and 62. Then, on the inspection axis 61, the medical images 24 obtained in the latest inspection (current inspection) are arranged. That is, the inspection shaft 61 corresponds to the current inspection shaft of the present invention (hereinafter, the inspection shaft 61 may be referred to as the current inspection shaft 61). Further, on the inspection axis 62, the medical images 24 obtained in the inspection prior to the latest inspection (in the present embodiment, the inspection immediately before the latest inspection (previous inspection)) are arranged. That is, the inspection axis 62 corresponds to the past inspection axis of the present invention (hereinafter, the inspection axis 62 may be referred to as a past inspection axis 62).
  • the inspection axis may be only the current inspection axis 61 (the past inspection axis 62 may be abolished). Further, a plurality of past inspection shafts 62 may be provided so that the medical images 24 obtained in the past inspection (for example, the inspection two times before the previous inspection) may be arranged.
  • Medical images 24 having a common imaging site are arranged on the site axes 71, 72, and 73. These site axes 71, 72, 73 are provided for each lesion site. Specifically, a site axis is provided for an imaging site including a lesion site detected by a past and / or present (most recent) examination among all imaging sites. In other words, a site axis is not provided for an imaging site for which there is no detection history of the lesion site. That is, FIG. 5 shows an example in which three lesion sites A to C were detected in past and / or present examinations.
  • the importance of the lesion sites A to C is determined, and the lesion sites A, B, and C (including the lesion sites of each of the lesion sites A, B, and C) are included based on the determination result.
  • the arrangement order of the medical image 24) (which of the site axes 71, 72, and 73 is arranged) is determined.
  • the lesion site B determined to have the highest importance is arranged on the upper site axis 71, and the lesion determined to have the second highest importance.
  • the site C is arranged on the middle site axis 72, and the lesion site A determined to be the least important is arranged on the lower site axis 73.
  • the treatment history can be acquired by the display screen generation unit 42 by accessing an electronic medical record database (not shown) in which the electronic medical record is stored.
  • the procedure for generating the medical image display area 50 will be described more specifically with reference to FIGS. 5 to 7.
  • the display screen generation unit 42 accesses the medical image database 22A to access the lesion site (in the medical image 24 of the patient to be observed).
  • a medical image 24 of the site where the lesion site A, B, C) is detected is acquired.
  • FIG. 6 shows an example of the medical image 24 acquired in this way. Specifically, in FIG. 6, inspections are performed at each of the four inspection periods of inspection time ⁇ , inspection time ⁇ , inspection time ⁇ , and inspection time ⁇ , in order from the newest inspection time, and these inspections are performed. In the case where the lesion site A, the lesion site B, and the lesion site C are detected in the patient's lung in order from the upper side (head side), the medical image 24 acquired from the medical image database 22A in such a case. Shows a list of.
  • the medical image 24 including the lesion site A acquired in the examination at the examination time ⁇ is the medical image 24 “ ⁇ -A”, and the lesion acquired in the examination at the examination time ⁇ .
  • the medical image 24 including the site C will be described by distinguishing the medical image 24 according to the examination time and the imaging site (which lesion site is included), such as the medical image 24 “ ⁇ -C”.
  • each lesion site in this embodiment, the lesion sites A to C
  • the outline of each lesion site is drawn as a thick line.
  • each lesion site is highlighted (highlighted).
  • the mode of emphasizing the lesion site is not limited to the above-mentioned example.
  • the lesion site may be emphasized by surrounding the lesion site with a frame, making the display color different from the surroundings, blinking the display, or the like.
  • the star-shaped index “ ⁇ ” is set for the medical image 24 “ ⁇ -A to C” captured at the inspection time ⁇ at the inspection time ⁇ .
  • a circular index “ ⁇ ” is used for the captured medical images 24 " ⁇ -A to C”
  • a triangular index “ ⁇ ” is used for the medical images 24 " ⁇ -A to C” captured at the examination time ⁇ .
  • the mode of the index may be changed for each lesion site.
  • the mode of the index is the shape, size, color of the index, and one or a combination of these.
  • the mode of the index may be changed so that both the examination time and the lesion site can be distinguished.
  • the difference in the examination time is indicated by the difference in the shape of the index
  • the difference in the lesion site is indicated by the difference in the color of the index.
  • FIG. 7 shows a line graph 90 showing the relationship between the examination time and the lesion size of each of the lesion sites A to C.
  • the line graph 90 is generated by the display screen generation unit 42 using the image analysis information of the medical image 24 (see FIG. 6) acquired from the medical image database 22A, and is displayed in the inspection time display area 52 described later. It is similar to what you do (see Figure 4).
  • the above-mentioned inspection time is shown in a two-dimensional region in which the horizontal axis is the time axis indicating the inspection time and the vertical axis is the lesion information axis indicating the index value (in this embodiment, the lesion size) relating to the lesion site.
  • Indicators that is, a star-shaped index " ⁇ " indicating that the inspection time is ⁇ , a circular index “ ⁇ ” indicating that the inspection time is ⁇ , and a triangular index " ⁇ ” indicating that the inspection time is ⁇ , By arranging a square index " ⁇ " indicating that the examination time is ⁇ and connecting them with a line segment, the relationship between the examination time and the lesion size is shown.
  • the type of line segment (line segment) connecting the indicators indicating the inspection time is "broken line” for lesion site A, "dashed line” for lesion site B, and "two-dot chain line” for lesion site C.
  • chain line that is, by making the line segment of the line segment connecting the indexes different for each lesion site, which of the lesion sites A to C shows the change in the lesion size. It is identifiable.
  • the mode of the line segment other than the line segment for example, the color of the line segment may be different for each lesion site.
  • the index mode may be different for each lesion site.
  • the lesion site A was detected for the first time on the medical image 24 “ ⁇ -A”, and an increase in size was detected on the subsequent medical image 24 “ ⁇ -A”.
  • Treatment is performed between the time of examination and ⁇ , and the reduction is detected in the medical image 24 “ ⁇ -A” after the treatment, and the reduced state is maintained in the subsequent medical image 24 “ ⁇ -A”.
  • An example is shown in which it is detected that (there is almost no size change).
  • the lesion site B was not detected in the medical image 24 " ⁇ -B” and the medical image 24 " ⁇ -B", but was detected for the first time in the medical image 24 " ⁇ -B", and then the medical image 24 " ⁇ -".
  • "B” shows an example in which an increase in size is detected.
  • the lesion site C is detected for the first time on the medical image 24 " ⁇ -C", and any of the subsequent medical image 24 " ⁇ -C", the medical image 24 " ⁇ -C” and the medical image 24 " ⁇ -C".
  • it shows an example in which it was detected that the size did not change much from the initial state.
  • the display screen generation unit 42 uses the medical image 24 as a reference for each lesion site, that is, the above-mentioned.
  • the medical image 24 to be arranged on the baseline 81 (see FIG. 5) is determined.
  • the lesion site A is treated. Therefore, for the lesion site A, the medical image 24 “ ⁇ -A” of the straight line of treatment is determined as a reference. On the other hand, the lesion sites B and C have not been treated. Therefore, for the lesion site B, the medical image 24 “ ⁇ -B” in which the lesion site B is detected for the first time is displayed, and for the lesion site C, the medical image 24 “ ⁇ -C” in which the lesion site C is detected for the first time is displayed. , Each is determined as a standard.
  • the index indicating that it is the medical image 24 (medical image 24 arranged in the baseline 81) thus determined or the medical image 24 arranged in the baseline 81 is shown. It is highlighted by surrounding it with a rectangular frame 92. By doing so, it is easy to grasp the imaging time (examination time) of the medical images 24 arranged in the baseline 81. In particular, since the medical images arranged in the baseline 81 are determined regardless of the examination time, there are cases where the examination time is different. Therefore, by highlighting as described above, the effect that the inspection time can be easily grasped becomes remarkable.
  • the display screen generation unit 42 determines the importance of the lesion site.
  • the importance of the lesion site indicates the priority in the case of treatment such as treatment and / or follow-up, and in the present embodiment, the larger the growth rate of the lesion site, the higher the importance. Is determined.
  • the growth rate of the lesion site is determined by comparing the lesion size between the medical image 24 captured in the latest examination (examination at the examination time ⁇ ) and the medical image 24 arranged at the baseline 81. It is calculated. In the present embodiment, the growth rate is higher in the order of lesion site B, lesion site C, and lesion site A (see FIG. 7). Therefore, in the present embodiment, it is determined that the importance is higher in the order of lesion site B, lesion site C, and lesion site A.
  • the growth rate is calculated by comparing the latest examination with the baseline 81 (the examination in which the medical image 24 arranged in the baseline 81 is captured), but the lesion is the first lesion with the latest examination.
  • the rate of increase may be calculated by comparison with the test in which the site was detected.
  • the rate of increase may be calculated by comparing the latest test with the test performed immediately before the latest test.
  • the importance may be determined using the type and degree (stage) of the lesion.
  • the importance may be determined in consideration of a plurality of factors from the growth rate, the type of lesion, the degree (stage), and the like.
  • a user such as a doctor may operate the client terminal 12 to specify the importance.
  • the display screen generation unit 42 When the importance of the lesion site is determined, the display screen generation unit 42 generates the medical image display area 50 using the determined importance. Specifically, as shown in FIG. 5, the more important the lesion site is, the more important the medical images 24 “ ⁇ -A to C” obtained in the examination at the examination time ⁇ , which is the latest examination (current examination). Currently arranged on the inspection axis 61 so as to be located in the upper row. More specifically, the medical image 24 " ⁇ -B" is attached to the portion where the current inspection axis 61 and the site axis 71 intersect, and the medical image 24 " ⁇ -B” is attached to the portion where the current inspection axis 61 and the site axis 72 intersect. The medical image 24 " ⁇ -A” is arranged at the portion where the inspection axis 61 and the site axis 73 currently intersect with each other.
  • the medical images 24 " ⁇ -A to C" obtained in the examination at the examination time ⁇ which is the examination immediately before the latest examination (previous examination), are located in the upper row as the importance of the lesion site increases.
  • they are arranged on the past inspection axis 62. More specifically, the medical image 24 " ⁇ -B” is attached to the portion where the past inspection axis 62 and the site axis 71 intersect, and the medical image 24 " ⁇ -B” is attached to the portion where the past inspection axis 62 and the site axis 72 intersect.
  • the medical image 24 " ⁇ -A” is arranged at the portion where the past examination axis 62 and the site axis 73 intersect with each other.
  • the medical images 24 " ⁇ -A”, 24 “ ⁇ -B”, and 24 “ ⁇ -C”, which are the reference of the lesion sites A to C, are located in the upper row as the importance of the lesion site increases.
  • the medical image 24 " ⁇ -A” is arranged at the portion where the baseline 81 and the site axis 73 intersect with each other.
  • the display screen generation unit 42 enlarges each of the medical images 24 arranged in the medical image display area 50 so as to be easy to observe, so that the lesion site is located at the center of the enlarged image (common to the images). Align the enlarged image so that the common part is displayed at the position of). It is preferable that the medical images 24 arranged on the common site axis have a common scale (scale) (the enlargement ratio is adjusted so as to be a common scale). Further, it is preferable that the medical images 24 arranged on the common site axis are displayed with a common contrast (the contrast is adjusted so as to have a common contrast). By aligning the scale and / or the contrast in this way, the comparison of lesion sites can be smoothly performed. Of course, not only the medical images 24 arranged on the common site axis, but also all the medical images 24 arranged in the medical image display area 50 may have the same scale and / or contrast.
  • the medical image display area 50 generated in this way by observing the medical images 24 currently arranged on the examination axis 61, the medical images 24 for each lesion site currently imaged in the examination can be observed, which is convenient. be. Further, by observing the medical image 24 arranged on the current inspection axis 61 and the medical image 24 arranged on the past inspection axis 62, the medical image 24 captured in the current inspection and the medical image captured in the previous inspection are observed. It is convenient because it is possible to compare with 24 for each lesion site. Further, by observing the medical image 24 currently arranged on the examination axis 61 and the medical image 24 arranged on the baseline 81, the medical image 24 currently captured in the examination and the medical image 24 as a reference of the lesion site 24 are observed. It is convenient because you can compare and for each lesion site.
  • the line graph 90 shown in FIG. 7 is displayed in the inspection time display area 52.
  • the line graph 90 shows the relationship between the examination time (imaging time) of the lesion sites A to C and the lesion size, and the inspection of the lesion sites A to C is performed by viewing the line graph 90. It is convenient to understand the relationship between the time and lesion size.
  • the index indicating the medical image 24 displayed in the medical image display area 50 is emphasized by being surrounded by a frame 91. As a result, it is possible to grasp which of all the medical images 24 including the lesion sites A to C (among the medical images 24 whose indicators are displayed in the line graph 90, which medical image 24 is displayed in the medical image display area 50). It's possible and convenient.
  • the index showing the medical image 24 arranged in the baseline 81 is surrounded by a frame 92 which is one size larger than the above-mentioned frame 91 and emphasized. This is convenient because it is possible to grasp the time when the medical image 24, which is the reference of each lesion site, was taken.
  • the medical image 24 selected by operating the client terminal 12 or the like (on the upper right side of the medical image display area 50 in FIG. 4).
  • the medical image 24) is emphasized by surrounding it with a frame 94 (see FIGS. 4 and 5).
  • an index indicating the examination time in which the medical image 24 (the selected medical image 24 and the medical image 24 surrounded by the frame 94 in the medical image display area 50) is captured is displayed. It is emphasized by surrounding it with a frame 96 (see FIGS. 4 and 7). By doing so, it is easy and convenient to grasp the examination time and the lesion size of the selected medical image 24.
  • the relationship between the test time and the lesion size is displayed in the test time display area 52, but the relationship between the test time and the index value related to the lesion site is displayed in the test time display area 52. It suffices if it has been done. That is, in the present embodiment, the example in which the “index value regarding the lesion site” is the “lesion size” has been described, but the present invention is not limited to this.
  • the index value for the lesion site may be other than the lesion size, such as the growth rate and degree (stage) of the lesion site.
  • the relationship between the inspection time and the index value related to the lesion site has been described with an example of displaying the relationship between the inspection time and the lesion site in the form of a “line graph”. The relationship may be displayed in a form other than the line graph.
  • the timeline 100 shown in FIG. 8 is displayed in the inspection time display area 54.
  • a star-shaped index “ ⁇ ” indicating the inspection time ⁇ a circular index “ ⁇ ” indicating the inspection time ⁇
  • a triangular index “ ⁇ ” indicating the inspection time ⁇ a triangular index indicating the inspection time ⁇
  • a quadrangular index indicating the inspection time ⁇ The index " ⁇ ” is arranged, and the inspection time can be grasped by observing the timeline 100.
  • an index 102 is provided at the time of the examination in which the medical images 24 arranged in the baseline 81 are captured. As a result, it is possible to grasp the time of the imaged examination of the medical images 24 arranged in the baseline 81.
  • the timeline 100 is provided with an index 104 at the time of the imaged examination of the medical image 24 (medical image 24 surrounded by the frame 94 in FIGS. 4 and 5) selected in the medical image display area 50. There is. This makes it possible to grasp the imaging timing of the selected medical image 24.
  • the example in which the two inspection time display areas 52 and 54 are provided has been described, but one of them may be abolished.
  • the bird's-eye view image 110 shown in FIG. 9 is displayed in the bird's-eye view image display area 56.
  • the bird's-eye view image 110 is for taking a bird's-eye view of the lesion site included in the medical image 24 arranged in the medical image display area 50.
  • an image obtained by capturing an image in which all lesion sites are contained for example, an X-ray image of a patient's lung
  • a schema diagram human body schematic diagram
  • the lesion site B included in the medical image 24 (medical image 24 surrounded by the frame 94 in FIGS. 4 and 5) selected in the medical image display area 50 is surrounded by the frame 114 and emphasized. is doing. As a result, the position of the lesion site included in the selected medical image 24 can be grasped.
  • an example in which an image obtained by observing (imaging) a human body in a standing posture from a horizontal direction is used as a bird's-eye view image has been described, but the present invention is not limited thereto.
  • the bird's-eye view image an image obtained by observing (imaging) a human body in an upright posture from a vertical direction may be used.
  • the pre-enlargement image 120 shown in FIG. 10 is displayed in the pre-enlargement image display area 58.
  • the pre-enlargement image 120 is a medical image 24 selected in the medical image display area 50 (medical image 24 surrounded by a frame 94 in FIGS. 4 and 5).
  • the pre-enlargement image 120 is not enlarged.
  • the peripheral portion of the image that is not displayed in the medical image 24 (selected medical image 24) of the medical image display area 50 can be confirmed, and the position of the lesion site in the entire image can be confirmed. Can be confirmed.
  • the hardware-like structure of the processing unit that executes various processes such as the GUI control unit 40, the request issuing unit 41, and the display screen generation unit 42 has various processors as shown below.
  • the circuit configuration is changed after manufacturing the CPU (Central Processing Unit), FPGA (Field Programmable Gate Array), etc., which are general-purpose processors that execute software (programs) and function as various processing units. It includes a programmable logic device (PLD), which is a possible processor, a dedicated electric circuit, which is a processor having a circuit configuration specially designed for executing various processes, and the like.
  • PLD programmable logic device
  • One processing unit may be composed of one of these various processors, or may be composed of a combination of two or more processors of the same type or different types (for example, a plurality of FPGAs or a combination of a CPU and an FPGA). May be done. Further, a plurality of processing units may be configured by one processor. As an example of configuring a plurality of processing units with one processor, first, as represented by a computer such as a client or a server, one processor is configured by a combination of one or more CPUs and software. There is a form in which this processor functions as a plurality of processing units.
  • SoC System On Chip
  • the various processing units are configured by using one or more of the above-mentioned various processors as a hardware-like structure.
  • the hardware-like structure of these various processors is, more specifically, an electric circuit (circuitry) in which circuit elements such as semiconductor elements are combined.
  • the hardware structure of the storage unit is a storage device such as an HDD (hard disk drive) or SSD (solid state drive).
  • Medical care support system 11 Medical care support server (medical care support device) 12 Client terminal 13 Modality 14 Network 15 Display screen 22 Medical image server 22A Medical image database 24 Medical image 30 Storage device 31 Memory 32 CPU 33 Communication unit 34 Display 35 Input device 36 Data bus 40 GUI control unit 41 Request issuing unit 42 Display screen generation unit 43 Cursor 50 Medical image display area 52, 54 Inspection time display area 56 Overhead image display area 58 Pre-enlargement image display area 61 Inspection axis (current inspection axis) 62 Inspection axis (past inspection axis) 71, 72, 73 Site axis 81 Baseline A, B, C Lesion site 90 Line graph 91 Frame (frame indicating that the image is a medical image displayed in the medical image display area) 92 frames (a frame surrounding a medical image arranged in a baseline or an index indicating that there is a medical image arranged in a baseline) 94, 96 frames (frames surrounding the selected medical image or the index indicating that it is the selected medical image) 100 Timeline 102 Index (Indicator indicating

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Abstract

L'invention concerne un dispositif d'aide à l'examen/traitement médical qui peut afficher une image médicale d'une manière qui est appropriée pour un examen/traitement médical et un procédé de fonctionnement pour le dispositif d'aide à l'examen/traitement médical. A partir d'une base de données d'images médicales dans laquelle des images médicales sont stockées, lesdites images médicales ayant été obtenues par un examen ou des examens dans lesquels une pluralité d'emplacements ont été imagés, un serveur d'aide à l'examen/traitement médical acquiert une pluralité d'images médicales qui ont été obtenues par l'intermédiaire d'une pluralité d'examens effectués sur le même patient à des temps d'examen différents et génère un écran d'affichage 15 dans lequel les images médicales acquises à partir de la base de données d'images médicales sont agencées dans une région d'affichage d'image médicale bidimensionnelle 50, qui a un axe d'examen le long duquel les images médicales provenant du même temps d'examen sont agencées et un axe de localisation qui est disposé pour chaque emplacement de lésion détecté dans les examens, chaque axe de localisation croisant l'axe d'examen et étant un axe le long duquel les images médicales provenant du même emplacement d'imagerie sont agencées.
PCT/JP2021/015320 2020-07-31 2021-04-13 Dispositif d'aide à l'examen/traitement médical et procédé de fonctionnement pour dispositif d'aide à l'examen/ traitement médical Ceased WO2022024465A1 (fr)

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