Nerve sheath tumor

Nerve Sheath Tumor is a type of tumor that originates from the protective lining, or sheath, of the nerves. These tumors can occur anywhere in the body where nerves are present. They are typically benign (non-cancerous), but in rare cases, they can become malignant (cancerous).

Types of Nerve Sheath Tumors

There are several types of nerve sheath tumors, including:

• Schwannoma: This is a benign tumor that originates from Schwann cells, which produce the myelin sheath that covers peripheral nerves.

• Neurofibroma: This is another benign tumor that can develop anywhere in the peripheral nervous system. It is often associated with a genetic disorder known as Neurofibromatosis.

• Malignant Peripheral Nerve Sheath Tumor (MPNST): This is a rare and aggressive type of nerve sheath tumor that is often associated with Neurofibromatosis type 1.

Symptoms

The symptoms of a nerve sheath tumor can vary depending on its location and size. Common symptoms may include pain, numbness, and muscle weakness. In some cases, a noticeable lump or mass may be present.

Diagnosis

Diagnosis of a nerve sheath tumor typically involves a physical examination, medical history, and imaging tests such as MRI or CT scan. A biopsy may also be performed to confirm the diagnosis and determine the type of tumor.

Treatment

Treatment options for nerve sheath tumors depend on the type, size, and location of the tumor, as well as the patient's overall health. Treatment may include surgery to remove the tumor, radiation therapy, and in some cases, chemotherapy.

See Also

• Neurofibromatosis
• Schwannoma
• Malignant Peripheral Nerve Sheath Tumor (MPNST)