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Case of the Week

2020-39 / September 28  

Contributors:  Kelly Guggisberg, Connie Liao, Asli Yilmaz

A man in his late 30s presented with a 1.5 cm solid nodule at the head of the left epididymis.

Click on the below thumbnails to enlarge photos.

4 photo(s) Updated on: September 17, 2020
  • PAX-8
  • CA-IX
  • CK7


1. What is the diagnosis?

a) Papillary cystadenoma

b) Adenomatoid tumor

c) Metastatic clear cell renal cell carcinoma

d) Well-differentiated papillary mesothelioma

e) Serous borderline tumor

2. What is the syndrome associated with this lesion?

a) MEN1

b) von Hippel Lindau

c) Birt-Hogg Dube

d) Neurofibromatosis I

e) Lynch Syndrome

About GUPS

The Genitourinary Pathology Society (GUPS) was formed with the vision of advancing the care of patients with urologic diseases through enhancements of best practices, research, and education in the subspecialty of Urological Pathology.

GUPS is an official Companion Society of the United States and Canadian Academy of Pathology (USCAP).



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