title: Spontaneous bronchial-subarachnoid fistula: an unusual cause of pneumocephalus.
authors.affiliation: Hospital of the University of Pennsylvania, Philadelphia 19104.
authors.forename: E J
authors.initials: EJ
authors.lastname: Lerner
authors.forename: L T
authors.initials: LT
authors.lastname: Bilaniuk
mesh_terms: D001983:Bronchial Fistula / Q000175:diagnosis* / Q000209:etiology; D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy; D005402:Fistula / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D011007:Pneumocephalus / Q000175:diagnosis* / Q000209:etiology; D013346:Subarachnoid Space