Extraneural perineurioma is a rare type of tumor that develops in the tissue surrounding nerve cells. It is usually benign, but can sometimes be malignant. It is most commonly found in the skin, but can also occur in other parts of the body. Symptoms may include pain, numbness, or tingling in the affected area. Treatment typically involves surgical removal of the tumor.

The most common symptom of extraneural perineurioma is a slowly growing, painless lump or mass. Other symptoms may include:

-Tingling or Numbness in the affected area
-Weakness in the affected area
-Loss of sensation in the affected area
-Loss of muscle control in the affected area
-Difficulty moving the affected area
-Pain in the affected area
-Swelling in the affected area
-Redness in the affected area

The exact cause of extraneural perineurioma is unknown. It is thought to be caused by a genetic mutation that affects the development of the nerve sheath. It is also possible that environmental factors, such as exposure to certain chemicals, may play a role in the development of this condition.

1. Surgery: Surgery is the primary treatment for extraneural perineurioma. The goal of surgery is to remove the entire tumor and any affected tissue.

2. Radiation therapy: Radiation therapy may be used to treat extraneural perineurioma if the tumor is too large or too close to vital structures to be removed with surgery.

3. Chemotherapy: Chemotherapy may be used to treat extraneural perineurioma if the tumor is too large or too close to vital structures to be removed with surgery.

4. Targeted therapy: Targeted therapy is a type of treatment that uses drugs to target specific molecules involved in the growth and spread of cancer cells. It may be used to treat extraneural perineurioma if the tumor is too large or too close to vital structures to be removed with surgery

1. Age: Extraneural perineurioma is most commonly seen in adults between the ages of 40 and 70.

2. Gender: Men are more likely to develop extraneural perineurioma than women.

3. Exposure to radiation: Exposure to radiation, such as from radiation therapy, may increase the risk of developing extraneural perineurioma.

4. Genetic predisposition: Certain genetic mutations may increase the risk of developing extraneural perineurioma.

5. Family history: Having a family history of extraneural perineurioma may increase the risk of developing the condition.

At this time, there is no known cure for extraneural perineurioma. Treatment typically involves surgical removal of the tumor, and in some cases, radiation therapy may be used to reduce the size of the tumor. Medications may be used to help manage pain and other symptoms associated with the tumor.