September 2018 — Anatomic Pathology 3

A 34-year-old woman noticed a lump in her right breast in December 2017. By ultrasound, a 2.4 cm, well-circumscribed hypoechoic mass was seen. By MRI, a possible fibroadenoma. After a subsequent biopsy, a mastectomy was performed. See figures below:

1. HnE-10-40
2. Er-pr-her2
3. Calponin
4. Synapto Chromo

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Alessia Buglioni, M.D.
Resident, Anatomic and Clinical Pathology
Mayo Clinic
Saba Yasir, M.B.B.S.
Consultant, Anatomic Pathology
Mayo Clinic
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine
Daniel Visscher, M.D.
Consultant, Anatomic Pathology
Mayo Clinic
Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine
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This post was developed by our Education and Technical Publications Team.