title: Malignant melanoma of the oral cavity.
abstract: Primary malignant melanoma of the oral cavity is uncommon. Four cases are presented. The average age is in the sixth decade. Early diagnosis is difficult and prognosis is generally poor. Efforts toward earlier detection and treatment are recommended.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D005887:Gingival Neoplasms / Q000401:mortality; D006801:Humans; D007573:Jaw Neoplasms / Q000401:mortality; D008048:Lip Neoplasms / Q000401:mortality; D008297:Male; D008545:Melanoma / Q000401:mortality*; D008875:Middle Aged; D009820:Ohio; D011379:Prognosis