WHEN A BLADDER TUMOR IS NOT WHAT IT SEEMS TO BE! Pseudosarcomatous Fibromyxoid Tumor of the Urinary Bladder in a 43 year-old Male

WHEN A BLADDER TUMOR IS NOT WHAT IT SEEMS TO BE! Pseudosarcomatous Fibromyxoid Tumor of the Urinary Bladder in a 43 year-old Male
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Title:WHEN A BLADDER TUMOR IS NOT WHAT IT SEEMS TO BE! Pseudosarcomatous Fibromyxoid Tumor of the Urinary Bladder in a 43 year-old Male
Author/Abstract:

John Ivan S. Alonzo, MD and David T. Bolong, MD, FPUA
Section of Urology, Department of Surgery, University of Santo Tomas Hospital

Pseudosarcomatous fibromyxoid tumors are benign tumors of the urinary bladder with clinical
presentation similar to that of malignant lesions. This is a case of a 43 year-old male presenting with
painless gross hematuria. Personal history and CT urogram are suggestive of a malignant bladder
tumor. On cystoscopy, a 1cm x 2.5cm pedunculated polypoid mass was appreciated at the lower lip of
the right ureteral orifice. Transurethral resection of the bladder tumor was subsequently done.
Ureteroscopy of the right distal ureter was also done revealing no gross involvement of the tumor.
Histopathologic examination of the mass revealed pseudosarcomatous fibromyxoid tumor. Review
of current literature highlights the rarity of this disease entity, the relative technical difficulty of
distinguishing it from malignant lesions, and its benign clinical course excluding the need for more
aggressive treatment regimens.

Key words: Pseudosarcomatous fibromyxoid tumor, inflammatory pseudotumor

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