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Case 129

A 66-year-old female with abnormal uterine bleeding:


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  1. If you see this on a biopsy sample, what's the diagnostic line?

    A: Papillary structure, favor reactive

    B: Papillary structure, at least endometrial Intraepithelial Neoplasia (EIN)

    C: Clear cell carcinoma

    D: Serous carcinoma

    E: Papillary structure. concerning for mesonephric like adenocarcinoma



Answer

This is a case of mixed mesonephric like adenocarcinoma and endometrioid type. More sections from the resection specimen.

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Er
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GATA3
GATA3

TTF-1
TTF-1

TTF1
TTF1

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Case credit: UCSD Pathology

Author: Wangpan Jackson Shi, MD

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