Large Schwannoma of the Tibial Nerve

[摘要] Background: Schwannomas are very common, benign, encapsulated tumors of the peripheral nerves. They rarely emerge from the posterior tibial nerve. Case Report: Here we report a case of an unusual schwannoma measuring 10×5×4 cm in a 24-year-old man. The mass was painful, and Tinel’s sign was positive. Magnetic resonance imaging revealed that it originated from the posterior tibial nerve. En bloc resection of the tumor was performed. Histology revealed peripheral nerve schwannoma. Removal of tumor made patient pain free after surgery. Conclusion: A high index of suspicion with meticulous clinical examination is necessary for timely diagnosis of schwannoma.

[学科分类] 生理学

[关键词] Peripheral Nervous System Neoplasms;Radiculopathy;Tibial nerve;Magnetic Resonance Imaging.