what causes schwannoma tumor
Causes of Schwannoma. Causes of Schwannoma. The exact cause of a schwannoma is not known, although the inherited genetic disorder, neurofibromatosis, is a risk factor for developing a schwannoma. Schwannoma: Related Medical Conditions. Schwannoma: Causes and Types.
General Information. 1  Schwannomas are benign tumors of the nerve sheath that grow slowly and push nerve fibers aside. 2  Schwannomas can arise from any peripheral nerve containing Schwann cells, including cranial nerves. 3  The eighth cranial nerve is the most susceptible to schwannomas.