Medical image management apparatus and method, and recording medium

1. A medical image management apparatus for managing images of a subject that has been imaged by a medical image imaging apparatus, the medical image management apparatus comprising:

a first recording means that records each region of the subject which is a target of imaging by the medical image apparatus, correlated with a direction for reconstruction;

an information obtainment means that obtains information representing a region of the subject represented in a three-dimensional image constructed based on a plurality of slice images that have been captured by the medical image imaging apparatus, the plurality of slice images being adjacent to each other in a predetermined direction;

a reconstruction means that reconstructs the plurality of slice images which are adjacent in the predetermined direction, into a plurality of slice images which are adjacent in a direction correlated with the region of the subject represented by the information obtained by the information obtainment means in the first recording means prior to a request for distribution of the three dimensional image being received from an external terminal;

a second recording means that records the plurality of slice images reconstructed by the reconstruction means; and

a distribution control means that sequentially distributes, in response to a distribution request for the three-dimensional image input from an external terminal, the plurality of reconstructed slice images from the recording means to the external terminal.

2. A medical image management apparatus, as defined in claim 1 , wherein when the position of a lesion in the three-dimensional image has been correlated with the three-dimensional image, the distribution control means gives priority to distribution of a reconstructed slice image including the position of the lesion over distribution of the other slice images of the plurality of reconstructed slice images.

3. A medical image management apparatus, as defined in claim 1 , wherein when a reading report that records a specific position in the three-dimensional image is correlated with the three-dimensional image, the distribution control means gives priority to distribution of a reconstructed slice image including the specific position over distribution of the other slice images of the plurality of reconstructed slice images.

4. A medical image management apparatus, as defined in claim 1 , wherein the information obtainment means obtains, with respect to a plurality of three-dimensional images obtained by imaging the same region of the subject at a plurality of different points of time, information representing a region of the subject represented in the plurality of three-dimensional images, and wherein the reconstruction means reconstructs, based on the information representing the region obtained by the information obtainment means, a plurality of slice images that are adjacent to each other in a direction that has been correlated with the region in advance from each of the plurality of three-dimensional images, and wherein the distribution control means sequentially distributes, based on a distribution request for the plurality of three-dimensional images, the plurality of reconstructed slice images in such a manner that slice images representing the same slice plane in the plurality of three-dimensional images are distributed together.

5. A medical image management apparatus, as defined in claim 4 , wherein when the position of a lesion in at least one of the plurality of three-dimensional images has been correlated with the at least one of the plurality of three-dimensional images, the distribution control means gives priority to distribution of a reconstructed slice image including the position of the lesion over distribution of the other slice images of the plurality of reconstructed slice images.

6. A medical image management apparatus, as defined in claim 1 , wherein the reconstruction means judges whether the correlated direction differs from the predetermined direction, and reconstructs the plurality of slice images only when the correlated direction differs from the predetermined direction.

7. A medical image management apparatus, as defined in claim 1 , wherein when the subject is a human body, and the predetermined direction is an axial direction, if the information obtained by the information obtainment means represents the thorax of the subject, or the abdomen of the subject, or the lower limb or limbs of the subject, or the thorax and the thoracoabdomen of the subject, or the abdomen and the pelvis of the subject, the reconstruction means reconstructs a plurality of coronal images that are adjacent to each other from the three-dimensional image.

8. A medical image management apparatus, as defined in claim 1 , wherein when the subject is a human body, and the predetermined direction is an axial direction, if the information obtained by the information obtainment means represents a region from the head to the neck of the subject or from the thorax to the abdomen of the subject, the region including at least one of vertebrae of the subject, or a joint region of the subject, the reconstruction means reconstructs a plurality of sagittal images that are adjacent to each other from the three-dimensional image.

9. A medical image management apparatus, as defined in claim 1 , wherein when the subject is a human body, and the predetermined direction is an axial direction, if the information obtained by the information obtainment means represents the torso of the subject, or at least one of the urinary organs of the subject, or the pituitary gland of the subject, the reconstruction means reconstructs a plurality of coronal images or sagittal images that are adjacent to each other from the three-dimensional image.

10. A medical image management apparatus, as defined in claim 1 , wherein the information obtainment means automatically obtains the information representing the region by performing image analysis on the three-dimensional image or at least one of the slice images composing the three-dimensional image.

11. A medical image management apparatus, as defined in claim 1 , wherein the information obtainment means automatically obtains the information representing the region based on subject information provided, as supplementary information, for at least one of the slice images composing the three-dimensional image.

12. A medical image management system comprising:

the medical image management apparatus, as defined in claim 1 ; and

the external terminal, as defined in claim 1 , wherein the external terminal includes a sending/receiving means that outputs a distribution request for the three-dimensional image t the medical image management apparatus and sequentially receives a plurality of slice images distributed from the medical image management apparatus, an image display means for displaying an image, and a display control means that displays, as an initial image, one of the plurality of slice images received by the sending/receiving means on the image display means.

13. A medical image management method for managing images of a subject that has been imaged by a medical image imaging apparatus, the method comprising the steps of:

recording each region of the subject which is a target of imaging by the medical image imaging apparatus, correlated with a direction for reconstruction;

obtaining information representing a region of the subject represented in a three-dimensional image constructed based on a plurality of slice images that have been captured by the medical image imaging apparatus, the plurality of slice images being adjacent to each other in a predetermined direction;

reconstructing the plurality of slice images which are adjacent in the predetermined direction, into a plurality of slice images which are adjacent in a direction correlated with the region of the subject represented by the obtained information prior to a request for distribution of the three-dimensional image being received from an external terminal;

recording the plurality of reconstructed slice images; and

sequentially distributing, in response to a distribution request for the three-dimensional image input from an external terminal, the plurality of reconstructed and recorded slice images to the external terminal.

14. A medical image management method, as defined in claim 13 , wherein when the position of a lesion in the three-dimensional image has been correlated with the three-dimensional image, priority is given to distribution of a reconstructed slice image including the position of the lesion over distribution of the other slice images of the plurality of reconstructed slice images.

15. A medical image management method, as defined in claim 13 , wherein when a reading report that records a specific position in the three-dimensional image has been correlated with the three-dimensional image, priority is given to distribution of a reconstructed slice image including the specific position over distribution of the other slice images of the plurality of reconstructed slice images.

16. A medical image management method, as defined in claim 13 , wherein with respect to a plurality of three-dimensional images obtained by imaging the same region of the subject at a plurality of different points of time, information representing a region of the subject represented in the plurality of three-dimensional images is obtained, and wherein a plurality of slice images that are adjacent to each other in a direction that has been correlated with the region in advance are reconstructed from each of the plurality of three-dimensional images based on the obtained information representing the region, and wherein the plurality of reconstructed slice images are sequentially distributed, based on a distribution request for the plurality of three-dimensional images, in such a manner that slice images representing the same slice plane in the plurality of three-dimensional images are distributed together.

17. A medical image management method, as defined in claim 16 , wherein when the position of a lesion in at least one of the plurality of three-dimensional images has been correlated with the at least one of the plurality of three-dimensional images, priority is given to distribution of a reconstructed slice image including the position of the lesion over distribution of the other slice images of the plurality of reconstructed slice images.

18. A recording medium stored therein a medical image management program for managing images of a subject that has been imaged by a medical image imaging apparatus, the program causing a computer to execute the procedures of:

recording each region of the subject which is a target of imaging by the medical image imaging apparatus, correlated with a direction for reconstruction;

obtaining information representing a region of the subject represented in a three-dimensional image constructed based on a plurality of slice images that have been captured by the medical image imaging apparatus, the plurality of slice images being adjacent to each other in a predetermined direction;

reconstructing the plurality of slice images which are adjacent in the predetermined direction, into a plurality of slice images which are adjacent in a direction correlated with the region of the subject represented by the obtained information prior to a request for distribution of the three dimensional image being received from an external terminal;

recording the plurality of reconstructed slice images; and

sequentially distributing, in response to a distribution request for the three-dimensional image input from an external terminal, the plurality of reconstructed and recorded slice images to the external terminal.

19. A recording medium stored therein a medical image management program, as defined in claim 18 , wherein when the position of a lesion in the three-dimensional image has been correlated with the three-dimensional image, priority is given to distribution of a reconstructed slice image including the position of the lesion over distribution of the other slice images of the plurality of reconstructed slice images.

20. A recording medium stored therein a medical image management program, as defined in claim 18 , wherein with respect to a plurality of three-dimensional images obtained by imaging the same region of the subject at a plurality of different points of time, information representing a region of the subject represented in the plurality of three dimensional images is obtained, and wherein a plurality of slice images that are adjacent to each other in a direction that has been correlated with the region in advance are reconstructed from each of the plurality of three-dimensional images based on the obtained information representing the region, and wherein the plurality of reconstructed slice images are sequentially distributed, based on a distribution request for the plurality of three-dimensional images, in such a manner that slice images representing the same slice plane in the plurality of three-dimensional images are distributed together.