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 2 Left mammogram Dx: Fibroadenoma; Left breast mass in the upper half of breast, close to the chest wall and axilla. This is dense, round and well circumscribed containing 3 or 4 large course calcium deposits (calcification). Fat necrosis can calcify in large lesions. (MAMMOGRAM)