part_of part of part of has_disease_location tumor of meninges meninx Meningeal Melanocytoma NCIt:C4662 A usually well differentiated melanocytic neoplasm arising from the meninges. It is characterized by the presence of epithelioid, fusiform, polyhedral, and spindle melanocytes without evidence of hemorrhage, necrosis, or high mitotic activity. Presenting symptoms include headache, vomiting, and neurological manifestations. Complete excision is usually curative.