Erosive mucosal cysts of the temporal bone. A case report with review of the pathogenesis.
An erosive mucosal cyst of the mastoid process is reported. The endodermal lining contained both goblet and nonkeratinizing squamous metaplastic mucosa. Possible causes of cyst formation and its relationship to epidermoid and "motor oil" cysts are discussed.
D000328:Adult; D001845:Bone Cysts / Q000209:etiology / Q000473:pathology* / Q000601:surgery; D004707:Endoderm / Q000473:pathology; D006801:Humans; D008297:Male; D008416:Mastoid / Q000473:pathology* / Q000601:surgery; D009092:Mucous Membrane / Q000473:pathology