title: Pneumosinus dilatans and arachnoid cyst.
authors.forename: J M
authors.initials: JM
authors.lastname: Strottmann
authors.forename: D W
authors.initials: DW
authors.lastname: Williams
mesh_terms: D016080:Arachnoid Cysts / Q000150:complications*; D005260:Female; D006801:Humans; D008875:Middle Aged; D011007:Pneumocephalus / Q000150:complications*; D013101:Sphenoid Sinus