December 2023 – Presented by Dr. Lorene Chung (Mentored by Dr. Frank Melgoza)
A 52-year-old, postmenopausal G1P1 female with a family history of breast carcinoma presents for routine mammogram and is found to have multiple left breast lesions. Menarche was at 14 years old. Imaging finds a 1.6 x 1.6 cm high density, partially circumscribed mass with microcalcifications located at 3:00, 6cm posterior to the nipple and a 1.4 cm mass at 12:00, 9cm posterior to the nipple line. Core needle biopsy is shown below. What is the most likely diagnosis?
H&E
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E-Cadherin
Tri-view Stain
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