Arachnoid cysts of the posterior fossa. Report of three cases.
D000328:Adult; D001099:Arachnoid; D003388:Cranial Fossa, Posterior; D003560:Cysts / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007223:Infant; D014057:Tomography, X-Ray Computed