title: Nontraumatic dissecting aneurysm of the basilar artery.
abstract: A case of nontraumatic dissecting aneurysm of the basilar artery in association with hypertension, smoke, and oral contraceptives is reported in a young female patient with a locked-in syndrome.
mesh_terms: D000328:Adult; D000784:Aortic Dissection / Q000473:pathology*; D001488:Basilar Artery / Q000473:pathology*; D002544:Cerebral Infarction / Q000473:pathology; D004997:Ethinyl Estradiol / Q000009:adverse effects; D005260:Female; D006801:Humans; D006973:Hypertension / Q000139:chemically induced; D002532:Intracranial Aneurysm / Q000139:chemically induced / Q000473:pathology*; D009644:Norgestrel / Q000009:adverse effects; D012907:Smoking
chemical_list: D009644:Norgestrel; D004997:Ethinyl Estradiol