title: Posterior fossa epidermoid cysts.
abstract: The authors present their clinical and surgical experience with 18 posterior fossa cholesteatomas, including three cases with atypical CT scan appearances that corresponded to calcification, haemorrhage or malignant change into an epidermoid carcinoma, respectively.
mesh_terms: D000293:Adolescent; D000328:Adult; D001921:Brain / Q000000981:diagnostic imaging; D001927:Brain Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery; D003388:Cranial Fossa, Posterior; D004814:Epidermal Cyst / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography