title: Developmental arachnoid cysts of the posterior fossa-an analysis of 13 cases.
abstract: Thirteen cases of posterior fossa arachnoid cyst are described. Presenting features were usually headache, vomiting, lethargy, and delayed development in infants. Association with congenital defects is sometimes noted. The cysts are considered to result from abnormalities occurring in foetal life.
mesh_terms: D000293:Adolescent; D000328:Adult; D001099:Arachnoid / Q000002:abnormalities; D001927:Brain Diseases / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery; D003560:Cysts / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed