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Case of the Week

2020-30 / July 27 (Contributors: Salvatore E. Mignano and Daniel H. Russell)

50-year-old male with a 10.8-cm right mid pole kidney mass and lymph nodes suspicious for metastasis.

Click on the below thumbnails to enlarge photos.

5 photo(s) Updated on: July 24, 2020


1. What is the correct diagnosis in the lymph node?

a. Metastatic sarcomatoid renal cell carcinoma

b. Angiomyolipoma

c. Vascular transformation of lymph node sinuses

d. Metastatic clear cell renal cell carcinoma

e. Kaposi sarcoma

2.  What IHC stain is supporting the diagnosis (pictured)?

a. PAX8

b. HHV8

c. AE1/AE3

d. ERG

e. HMB45

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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