[Mid-line arachnoid cyst of the brain].
D001099:Arachnoid; D001927:Brain Diseases / Q000000981:diagnostic imaging*; D002648:Child; D003560:Cysts / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D014057:Tomography, X-Ray Computed