title: Giant ranula causing mandibular prognathism.
abstract: This is a case report of a 20-year-old man with ranula, the size of an orange, in the floor of the mouth causing mandibular prognathism with fan-shaped mandibular teeth anterior to the premolars. The tumor was extirpated. The pathogenesis, differential diagnosis and treatment of ranulas are discussed.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008336:Mandibular Diseases / Q000209:etiology*; D009060:Mouth Floor / Q000473:pathology / Q000601:surgery; D011378:Prognathism / Q000209:etiology*; D011900:Ranula / Q000150:complications* / Q000175:diagnosis / Q000601:surgery