<unk>  is cancer of the nerve cells. The tumors may be benign or malignant. It involves neurinoma, acoustic neurinoma and ganglioneuroma. Usual symptoms include painful lump, pain, arm and leg movement difficulties, etc.
Neuroma
Ameloblastoma
Brown tumor
Hemangioblastoma
Noma
PEComa
Myxoma
Schwannoma