Cancer Types And The Cells They Originate From

Schwannoma

Schwannoma is a term used to describe cancerous tumors that develop in certain types of nerve cells, referred to as Schwann cells, in the nervous system. Schwannomas may also be referred to as neurolemmomas, neuromas, soft tissue sarcoma, or neurilemomas in the medical community. Schwannomas can affect Schwann cells in the peripheral nervous system and the cranial nerves. Schwann cells are the cells in the peripheral nervous system responsible for producing the myelin sheath around the axons of the nerves. Some of the most common sites of schwannoma development include the nerve that connects the inner ear to the brain, the sciatic nerve of the leg, the group of nerves in the lower back, and the brachial plexus nerves in the arm. Most schwannomas do not have an identifiable cause, but some may be associated with a genetic disorder like schwannomatosis, Carney complex, and neurofibromatosis 2. Symptoms of schwannomas do not manifest until the tumor begins to put pressure on the nerves around it.

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