title: Dentigerous  cyst with mural ameloblastoma.
abstract: A case of a 14-year-old black girl with a lesion that appeared to be a dentigerous cyst is presented. Radiographic appearance, findings of a bone scan and biopsy by aspiration are discussed. Histologic findings showed that the lesion was an ameloblastoma that is believed to have arisen from the dentigerous cyst wall.
mesh_terms: D000293:Adolescent; D000564:Ameloblastoma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003803:Dentigerous Cyst / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008336:Mandibular Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008339:Mandibular Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography