PEIR Digital Library

Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.

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RADIOLOGY: BREAST: Case# 32946: DUCT CARCINOMA. 55 Year old female for screening mammogram. Close up view of the mammogram shows a cluster of branching, pleomorphic calcifications associated with a poorly defined mass. Clusters of calcifications are an important mammographic sign of early breast carcinoma. The likelyhood of malignancy is high with the degree of pleomorphism and branching seen in this case. Most such malignant calcifications arise in Duct Carcinoma in situ (DCIS).