RESEARCH ARTICLE

Pseudosarcomatous Fibromyxoid Tumor of the Bladder and Prostate: A Case Report

Jason R Lomboy 1 Tejas Desai, * Open Modal , 2 Corey Allen J3 Authors Info & Affiliations
The Open Urology & Nephrology Journal • 8 Nov 2013 • RESEARCH ARTICLE • DOI: 10.2174/1874303X01306010066

Abstract

Pseudosarcomatous fibromyxoid tumor (PSFT) is a rare pseudotumor of the genitourinary (GU) system that typically presents with gross hematuria. These tumors are benign, locally aggressive tumors. Metastasis has never been reported. Pathology is significant for spindle cell proliferation without malignant nuclear features that are commonly seen in sarcomas. Herein, we report a case of an 8-centimeter PSFT found within the bladder of a 71-year-old gentleman with gross hematuria. We also review the literature on genitourinary pseudotumors, including postoperative spindle cell nodules (PSCN). Lastly we describe the importance of considering these types of tumors in the presence of a GU mass as early identification may preclude the patient from receiving unnecessary imaging and aggressive treatment measures.

Keywords: Inflammatory pseudotumor, pseudosarcoma, pseudosarcomatous fibromyxoid tumor, postoperative spindle cell nodule, nodular fasciitis, pseudosarcomatous myofibroblastic tumor, fibromyxoid pseudotumor, pseudo-malignant spindle cell proliferation, inflammatory myofibroblastic tumor..
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