Ultrasound diagnostic apparatus and control method of ultrasound diagnostic apparatus
There is provided an ultrasound diagnostic apparatus including a determination procedure memory that stores a determination procedure, a monitor and a processor, the processor identifying characteristics of the lesion part for a determination item for route selection in a plurality of branches of the determination procedure, extracting at least one ultrasound image contributing to identification of the characteristics in the plurality of branches of the determination procedure from a plurality of ultrasound images as a basis image, performing the route selection in the plurality of branches of the determination procedure by applying the identified characteristics to the determination item to determine the medical examination category or the diagnosis category of the lesion part, and displaying a route in the determination procedure in a case where the medical examination category or the diagnosis category is determined and the extracted basis image on the monitor.
1 . An ultrasound diagnostic apparatus that determines a medical examination category or a diagnosis category of a lesion part according to a predetermined determination procedure having a plurality of branches, the ultrasound diagnostic apparatus comprising:
a determination procedure memory that stores the predetermined determination procedure;
a monitor; and
a processor,
wherein the processor is configured to:
identify characteristics of the lesion part for a determination item for route selection in the plurality of branches of the predetermined determination procedure stored in the determination procedure memory on the basis of a plurality of ultrasound images in which the same lesion part is imaged,
extract at least one ultrasound image contributing to identification of the characteristics in the plurality of branches of the predetermined determination procedure, from the plurality of ultrasound images as at least one basis image, at least two basis images extracted in at least two branches among the plurality of branches are different from each other,
perform the route selection in the plurality of branches of the predetermined determination procedure by applying the identified characteristics to the determination item to determine the medical examination category or the diagnosis category of the lesion part,
display the predetermined determination procedure on the monitor,
display a route in the predetermined determination procedure in a case where the medical examination category or the diagnosis category is determined on the monitor, and
display the basis image extracted in each of the plurality of branches of the predetermined determination procedure near the each of the plurality of branches on the predetermined determination procedure on the monitor,
wherein the basis images different from each other are displayed near the at least two branches among the plurality of branches.
2 . The ultrasound diagnostic apparatus according to claim 1 ,
wherein the plurality of ultrasound images are images forming a video in which the lesion part is imaged.
3 . The ultrasound diagnostic apparatus according to claim 2 ,
wherein each of the plurality of ultrasound images is an image in which an entire or a part of the lesion part is imaged.
4 . The ultrasound diagnostic apparatus according to claim 2 ,
wherein the plurality of ultrasound images are a thinned-out image, an interpolated image, or a synthesized image from the images forming the video in which the lesion part is imaged.
5 . The ultrasound diagnostic apparatus according to claim 2 ,
wherein the processor forms an enclosing line surrounding a portion contributing to the identification of the characteristics, in the basis image, and superimposes and displays the enclosing line on the basis image.
6 . The ultrasound diagnostic apparatus according to claim 2 ,
wherein the processor forms a heat map in which a degree of how much a certain characteristic contributing to a diagnosis is represented by color shading or color difference, on the basis of the basis image, and displays the heat map on the monitor.
7 . The ultrasound diagnostic apparatus according to claim 2 ,
wherein in a case where a plurality of the basis images are extracted for one of the branches, the processor displays the plurality of basis images side by side on the monitor.
8 . The ultrasound diagnostic apparatus according to claim 2 ,
wherein in a case where a plurality of the basis images are extracted for one of the branches, the processor sequentially displays the plurality of basis images on the monitor on the basis of an instruction by the user.
9 . The ultrasound diagnostic apparatus according to claim 8 ,
wherein the processor displays a page number indicating which of the plurality of basis images is the basis image being displayed on the monitor in an overlaid manner on the basis image.
10 . The ultrasound diagnostic apparatus according to claim 1 ,
wherein each of the plurality of ultrasound images is an image in which an entire or a part of the lesion part is imaged.
11 . The ultrasound diagnostic apparatus according to claim 1 ,
wherein the processor forms an enclosing line surrounding a portion contributing to the identification of the characteristics, in the basis image, and superimposes and displays the enclosing line on the basis image.
12 . The ultrasound diagnostic apparatus according to claim 1 ,
wherein the processor forms a heat map in which a degree of how much a certain characteristic contributing to a diagnosis is represented by color shading or color difference, on the basis of the basis image, and displays the heat map on the monitor.
13 . The ultrasound diagnostic apparatus according to claim 1 ,
wherein in a case where a plurality of the basis images are extracted for one of the branches, the processor displays the plurality of basis images side by side on the monitor.
14 . The ultrasound diagnostic apparatus according to claim 1 ,
wherein in a case where a plurality of the basis images are extracted for one of the branches, the processor sequentially displays the plurality of basis images on the monitor on the basis of an instruction by the user.
15 . The ultrasound diagnostic apparatus according to claim 1 ,
wherein the processor measures a size of the lesion part, and displays the measured size on the monitor.
16 . The ultrasound diagnostic apparatus according to claim 1 ,
wherein the processor calculates a ratio of a region where the identified characteristics appear to an entire region of the lesion part for each determination item, and displays the calculated ratio on the monitor.
17 . The ultrasound diagnostic apparatus according to claim 1 ,
wherein the processor calculates a probability of the route selection in the plurality of branches of the predetermined determination procedure on the basis of the characteristics of the lesion part, and displays the calculated probability on the monitor.
18 . The ultrasound diagnostic apparatus according to claim 17 ,
wherein in a case where a plurality of the medical examination categories or the diagnosis categories correspond to any one of the plurality of branches of the predetermined determination procedure, the processor compares the calculated probability with a predetermined threshold value to determine the medical examination category or the diagnosis category of the lesion part.
19 . The ultrasound diagnostic apparatus according to claim 1 , further comprising:
an ultrasound probe,
wherein the processor generates the plurality of ultrasound images in which the same lesion part is imaged, by performing transmission and reception of ultrasound beams with respect to a subject using the ultrasound probe.
20 . A control method of an ultrasound diagnostic apparatus that determines a medical examination category or a diagnosis category of a lesion part according to a predetermined determination procedure having a plurality of branches, the control method comprising:
a step of identifying characteristics of the lesion part for a determination item for route selection in the plurality of branches of the predetermined determination procedure on the basis of a plurality of ultrasound images in which the same lesion part is imaged;
a step of extracting at least one ultrasound image contributing to identification of the characteristics in the plurality of branches of the predetermined determination procedure, from the plurality of ultrasound images as at least one basis image, at least two basis images extracted in at least two branches among the plurality of branches are different from each other;
a step of performing the route selection in the plurality of branches of the predetermined determination procedure by applying the identified characteristics to the determination item to determine the medical examination category or the diagnosis category of the lesion part;
a step of displaying the predetermined determination procedure on a monitor;
a step of displaying a route in the predetermined determination procedure in a case where the medical examination category or the diagnosis category is determined on the monitor; and
a step of displaying the basis image extracted in each of the plurality of branches of the predetermined determination procedure near the each of the plurality of branches on the predetermined determination procedure on the monitor,
wherein the basis images different from each other are displayed near the at least two branches among the plurality of branches.