title: Abnormal cisterna magna and primary empty sella. Report of two cases.
mesh_terms: D002946:Cisterna Magna / Q000002:abnormalities* / Q000000981:diagnostic imaging; D004652:Empty Sella Syndrome / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011011:Pneumoencephalography