Sarcomatoid urothelial carcinoma of the renal pelvis: A case report and literature review.

Authors

Zhu Li, Yunwei Zou, Yangjun Shi, Haijing Xu, Zhengyan Wang, Haifeng Wang

Published in

Urology case reports. Volume 68. Pages 103531. Epub Jul 01, 2026.

Abstract

Sarcomatoid urothelial carcinoma (SUC) of the renal pelvis is a rare, highly aggressive upper tract urothelial carcinoma variant. We report a 67-year-old man with persistent fever, gross hematuria, leukocytosis, and a renal pelvic mass with hydronephrosis and calculi. Fever persisted despite antimicrobial therapy and nephrostomy drainage until radical nephroureterectomy was performed. Postoperatively, fever and inflammatory indices normalized but recurred 1 month later; by 3 months, CT showed multiple intra-abdominal metastases with leukocytosis and neutrophilia. The patient died 4 months after surgery. This case suggests that persistent or recurrent fever with leukocytosis may reflect tumor activity rather than infection.

PMID:
42434547
Bibliographic data and abstract were imported from PubMed on 11 Jul 2026.

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