The primary method for treatment is surgical, not medical. Radiation and chemotherapy are not needed for benign lesions and are not effective for malignant lesions. Benign<unk> s have a recurrence rate of 2% to 8% when resection margins are deemed clear of<unk>  infiltration. When the resection margins of a benign<unk>  are positive for<unk>  infiltration the recurrence rate is increased to 20%. Malignant lesions are aggressive and difficult to eradicate with surgery and have a recurrence rate of 32%.
Granular cell tumor
Glomus tumor
Glucagonoma
Insulinoma
Hürthle cell adenoma
Metastatic insulinoma
Hibernoma
Metanephric adenoma