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Case of the Week

2021-22/ May 31

Contributors:  Bindu Challa and Anil Parwani

A man in his 70s presented with right flank pain. Computed Tomography (CT) Abdomen and Pelvis showed a large right renal mass with direct invasion of the right hepatic lobe and a likely tumor thrombus in the right renal vein.  He underwent right radical nephrectomy with regional lymphadenectomy.

Click on the below thumbnails to enlarge photos.

4 photo(s) Updated on: May 27, 2021
  • TLE-1 immunostain


1.  What is the correct diagnosis?

a. Wilms tumor

b. Leiomyosarcoma

c. Primary renal Ewing sarcoma

d. Sarcomatoid renal cell carcinoma

e. Primary renal synovial sarcoma

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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