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Sonographic differentiation of invasive and intraductal carcinomas of the breast

Departments of ¹ Surgery, ² Diagnostic Radiology and ³ Pathology, Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, 5 Fu-Hsing Street, Kwei-Shan, Taoyuan, Taiwan

View larger version (46K): [in a new window]   Figure 1. Papillary intraductal carcinoma in a 55-year-old woman with a subtle nodule in the left breast clinically. (a) Radial view of ultrasound shows lobulated (arrow), mildly hypoechoic mass with intraductal extension (arrow head) and no acoustic shadowing. (b) Mammogram shows dense breast parenchyma without obvious abnormality.

View larger version (51K): [in a new window]   Figure 2. Comedo-type intraductal carcinoma in a 49-year-old woman with a palpable lump in the left breast. (a) Radial view of ultrasound shows lobulated (arrows), isoechoic mass with clustered calcifications (arrow head). (b) Mammogram shows a cluster of pleomorphic microcalcifications.