A Schwannoma is tumor that develops from nerve sheath cells. Any nerve can be affected but it is most common on the sciatic, brachial and sacral plexus (leg, upper arm and lower back nerves). Symptoms are determined by the exact location of the tumor.


  • Pain
  • Bladder dysfunction
  • Bowel dysfunction
  • Numbness
  • Tingling
  • Weakness


The signs and symptom information on this page attempts to provide a list of some possible signs and symptoms of Schwannoma, malignant. This medical information about signs and symptoms for Schwannoma, malignant has been gathered from various sources, may not be fully accurate, and may not be the full list of Schwannoma, malignant signs or Schwannoma, malignant symptoms. Furthermore, signs and symptoms of Schwannoma, malignant may vary on an individual basis for each patient. Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they are indeed Schwannoma, malignant symptoms.