Abstract
The urinary bladder schwannoma is an extremely rare primary urologic tumor. Schwannoma arises from the Schwann's cells in the nerve sheaths and is almost associated with von Recklinghausen's disease. We report a case of schwannoma in a 35-year old female who presented with urinary frequency for 2 months with absence of evidence of von Recklinghausen disease and successfully treated with transurethral resection of bladder lesion (TUR_B). To the best of our knowledge, this represents only the 10th case of benign schwannoma of the urinary bladder in a patient without von Recklinghausen disease. We report a case of an isolated schwannoma of the urinary bladder, and also searched the English literature as we had access to bladder schwannoma.
Highlights
Peripheral nerve tumors are rare and may arise from the Schwann cells, ganglion cell or capillaries of the nerve cells tumors; among them, schwannoma which is the most common tumor of the peripheral nerves is a benign tumor [1,2]
Bladder schwannoma is a rare disease, and we report a case of isolated schwannoma of the urinary bladder; we searched the English literature as we had access to bladder schwannoma
Brain and spine magnetic resonance imaging (MRI) and physical examination showed no evidence of other schwannoma or evidence of neurofibromatosis
Summary
Peripheral nerve tumors are rare and may arise from the Schwann cells, ganglion cell or capillaries of the nerve cells tumors; among them, schwannoma which is the most common tumor of the peripheral nerves is a benign tumor [1,2]. These tumors may occur intracranially and the most common type of them are acoustic schwannoma [2]. It can occur in every part of the body and the most common location of peripheral schwannoma is lower extremities [3,4]. The majority of bladder cancer cases are transitional cell carcinoma and other less common tumors are squamous cell carcinoma (SCC) and adenocarcinoma [5].
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