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Case of the Week

2020-37 / September 14  

Contributors:  Nathanael de Freitas Pinheiro Jr and Daniel Athanazio

A man in his mid-50s underwent a total nephrectomy due to a 7.5 cm solid tumor. Imaging suggested intratumoral calcifications. 

Click on the below thumbnails to enlarge photos.

5 photo(s) Updated on: September 11, 2020


1. What is the correct diagnosis?

a) Adult nephroblastoma with predominant epithelial component

b) Metanephric adenoma

c) Papillary renal cell carcinoma

d) Well-differentiated neuroendocrine tumor (carcinoid)

e) Oncocytoma

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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