Boston-Kyoto Surgical Pathology Update
October 22, 2017

Original files were provided by

Melinda F. Lerwill, M.D.
Director of Breast Pathology and Associate Pathologist, Massachusetts General Hospital
Assistant Professor, Harvard Medical School

Select Slide   Diagnosis
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Case 1

 High grade mucinous carcinoma
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Case 2

  Metastatic ileal NET
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Case 3A

  Adenomyoepithelioma
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Case 3B p40 stain

  showing p40-positive cell areas
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Case 4  Malignant adenomyoepithelioma
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Case 5A  Metaplastic carcinoma (triple-negative breast cancer) arising in an
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Case 5B  atypical microglandular adenosis (low-grade triple-negative  breast cancer)/microglandular adenosis with in situ carcinoma