Fibroblast-directed PET imaging reveals a case of retroperitoneal fibrosis after immunotherapy for metastatic urothelial cancer of the upper tract

Urothelial carcinomas of the upper urinary tract (UTUC) are relatively rare and challenging to treat. We present a case report of a 55-year-old male patient with high-grade renal UTUC who received adjuvant pembrolizumab immunotherapy. The patient developed retroperitoneal fibrosis as an immune-relat...

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Bibliographic Details

Published in:	Urology Case Reports
Main Authors:	L. Gallardo Zamora, F.C. von Rundstedt, C. Wach, W.P. Fendler, I. Maric, K. Herrmann, J.T. Siveke, P.F.-Y. Cheung, V. Grünwald
Format:	Article
Language:	English
Published:	Elsevier 2025-07-01
Subjects:	Urothelial carcinoma Upper urinary tract Retroperitoneal fibrosis Immune-related adverse event Pembrolizumab 68Ga FAPI-46 PET/CT
Online Access:	http://www.sciencedirect.com/science/article/pii/S2214442025001767