title: An unusual case of spontaneous pneumocephalus.
mesh_terms: D000293:Adolescent; D001932:Brain Neoplasms / Q000150:complications*; D005260:Female; D006801:Humans; D010016:Osteoma / Q000150:complications*; D011007:Pneumocephalus / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography