NCIt synonyms : Melanocytoma of the Meninges; Melanocytoma of Meninges; Leptomeningeal Melanocytoma; Meninges Melanocytoma;
NCIt definition : 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.;