A Rare Case of Bladder Perineurioma

Area of Science:

• Oncology
• Pathology
• Urology

Background:

• Perineuriomas are rare, benign nerve sheath neoplasms typically presenting as intraneural or extraneural forms.
• Extraneural perineuriomas commonly occur in the trunk and limbs, with visceral organ involvement being exceptionally rare.

Observation:

• A young adult presented with hematuria and a bladder tumor.
• Surgical resection and subsequent immunohistochemical analysis confirmed the tumor as a perineurioma.

Findings:

• This case represents the first documented instance of a perineurioma originating in the urinary bladder.
• The histological and immunohistochemical findings definitively identified the bladder tumor as a perineurioma.

Implications:

• The occurrence of perineurioma in the bladder expands the known anatomical distribution of this rare neoplasm.
• Bladder perineurioma should be considered in the differential diagnosis of bladder tumors, particularly in young adults presenting with hematuria.
• This case highlights the importance of comprehensive histopathological evaluation for accurate tumor diagnosis.