title: Oral hyperpigmentation and occult malignancy--report of a case.
abstract: Melanocytes exist in the oral and laryngeal mucosa capable of responding with a hyperpigmentation response to occult malignancy. Such a case is presented and its differentiation from other disease processes is discussed.
mesh_terms: D000368:Aged; D002610:Cheek / Q000473:pathology; D006801:Humans; D007082:Ileum / Q000473:pathology; D007414:Intestinal Neoplasms / Q000150:complications* / Q000473:pathology; D007890:Leiomyosarcoma / Q000150:complications* / Q000473:pathology; D008297:Male; D008543:Melanins / Q000096:biosynthesis; D008544:Melanocytes / Q000473:pathology; D009059:Mouth Diseases / Q000209:etiology / Q000473:pathology; D009061:Mouth Mucosa / Q000473:pathology; D010859:Pigmentation Disorders / Q000209:etiology* / Q000473:pathology; D014059:Tongue / Q000473:pathology
chemical_list: D008543:Melanins