title: Hyperpigmentation of skin and nails in a patient with intestinal leiomyosarcoma.
mesh_terms: D001706:Biopsy; D006801:Humans; D007580:Jejunal Neoplasms / Q000150:complications*; D007890:Leiomyosarcoma / Q000150:complications*; D008297:Male; D008543:Melanins / Q000032:analysis; D008854:Microscopy, Electron; D008875:Middle Aged; D009260:Nail Diseases / Q000209:etiology*; D010859:Pigmentation Disorders / Q000209:etiology* / Q000473:pathology; D012867:Skin / Q000473:pathology
chemical_list: D008543:Melanins