title: Primary melanoma of the leptomeninges. A report of two cases.
mesh_terms: D000328:Adult; D001099:Arachnoid; D005260:Female; D006801:Humans; D008545:Melanoma / Q000473:pathology*; D008577:Meningeal Neoplasms / Q000473:pathology*; D008875:Middle Aged; D009508:Nevus, Pigmented / Q000473:pathology*; D010841:Pia Mater