While radiology only reveals one aspect of the entire ana tomical picture, a certain diagnostic precision can be at tained by skillfully combining different techniques. The re sulting images often uncover the hidden reality. This near perfection is most clearly seen - and is also most essential - in the study of the breast. One must remember that in the western world, one woman in fifteen develops breast can cer. It follows that the key to effective treatment is early and precise diagnosis. An understanding of the various breast tissues and of benign pathology is also indispensable in...