title: Atypical pineal teratoma: clinical and computer tomographic features of two patients with disseminated ependymal lesions.
abstract: Two cases of atypical pineal teratoma (APT) with massive ventricular dissemination are reported; the diagnosis was based on CT appearances and characteristic neurological and endocrinological abnormalities. Both patients responded well to radiotherapy. The CT features and the management of these patients are discussed.
mesh_terms: D000293:Adolescent; D000328:Adult; D001932:Brain Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy; D002551:Cerebral Ventricle Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy; D003131:Combined Modality Therapy; D003937:Diagnosis, Differential; D004805:Ependyma / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D010870:Pineal Gland / Q000000981:diagnostic imaging*; D013724:Teratoma / Q000000981:diagnostic imaging* / Q000532:radiotherapy; D014057:Tomography, X-Ray Computed