APPLICATION OF DIGITAL SUBTRACTION ANGIOGRAPHY TO MACROGRAPHY AND STEREOGRAPHY : WITH SPECIAL REFERENCE TO ANGIOTRON, DSA EQUIPMENT MADE BY S COMPANY

Abstract

DSA images by I. I-TV system remain unfinished due to some factors such as performances of the equipment, leaving room for improvements. Therefore, improvements were made in image quality by macrography. A number of special issues were also presented, and stereography was applied as a means of making up its faults.