Schwannoma

A Schwannoma is a benign tumor arising for the covering of nerve sheath. These tumors do not invade the nerve, but rather simply lie on top of the nerve sheath. The cause of it is unknown and can elicit a variety of symptoms. Some patients experience no symptoms at all, and only notice a lump on the bottom of their foot. Other patients experience shooting pain and numbness to the area, and symptoms worsen as the tumor grows.

Imaging modalities can be used to help identify the lesion. MRI will reveal cystic fluid collection in the affected area.

The lesion must be surgically excised and sent to pathology for evaluation. After surgery symptoms should subside. Early diagnosis of this lesion is important in preventing long-term nerve damage.

If you questions or concerns about an abnormal lump or bump on your feet come see us at Foot & Ankle Doctors, Inc

 

Dr. Dardashti

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