Ultrasound Breast Diagnostic System

An ultrasound breast diagnostic system comprising:

• an ultrasound breast image pickup device provided with a water bath in which a breast can be immersed downward and an ultrasound probe arranged at a bottom portion of the water bath, capable of performing mechanical scanning, for imaging an entire region of a breast in a three-dimensional manner through transmission/reception of an ultrasound wave;
• a breast voxel data creating device for creating voxel data of the entire breast on the basis of image data obtained by the ultrasound breast image pickup device;
• and
• an display device used for interpretation of images for displaying an image for image diagnosis on the basis of current and past voxel data of a breast of the same subject created by the breast voxel data creating device in which tomograms in a predetermined direction of the current breast to be diagnosed are sequentially displayed with a predetermined pitch from one end side to the other end side and the past tomogram of a cross-sectional spot corresponding to the tomogram is displayed in parallel.