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Case 49

Feb 14

A 50 year old female with a mass involving bladder, and rectum. Here is the section with bladder mucosa. She has a history of cervical cancer.






Not p16
Not p16

  1. Assuming the p16 and GATA3 are negative, and the tumor showed nuclear positivity of the stain above, what's the diagnosis by morphology.

    A: Urothelial carcinoma

    B: Poorly differentiated carcinoma

    C: Neuroendocrine carcinoma

    D: Squamous cell carcinoma

Answer

Case credit: UCSD Pathology

Author: Wangpan Shi, MD

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