RESEARCH ARTICLE


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



Jason R Lomboy 1, Tejas Desai*, 2, Corey Allen J3
1 Brody School of Medicine at East Carolina University, Greenville, NC, USA
2 Department of Internal Medicine, Division of Nephrology and Hypertension, Brody School of Medicine at East Carolina University, Greenville, North Carolina, USA
3 Eastern Urological Associates, P.A., Greenville, North Carolina, USA


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© Lomboy et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Department of Internal Medicine, Division of Nephrology and Hypertension, Brody School of Medicine at East Carolina University, Greenville, North Carolina, USA; Tel: 252-744-1380; E-mail: tejas.p.desai@gmail.com


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..