title: Mega cisterna magna: a constant variation of the cerebellomedullary cistern associated with cerebral atrophy.
abstract: Data relating to 31 cases of mega cisterna magna studied by computed tomography are presented. The incidence and the relation of this condition to cerebral atrophy are examined. Mega cisterna magna has a constant incidence in routine CT material and is closely associated with cerebral atrophy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001284:Atrophy; D001921:Brain / Q000473:pathology*; D001927:Brain Diseases / Q000150:complications; D002648:Child; D002675:Child, Preschool; D002946:Cisterna Magna / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed