title: Megadolicho anomaly of the basilar artery caused by syphilis (a case report).
mesh_terms: D000368:Aged; D001013:Aorta, Thoracic / Q000473:pathology; D001488:Basilar Artery / Q000473:pathology*; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000209:etiology; D002532:Intracranial Aneurysm / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D013589:Syphilis, Cardiovascular / Q000150:complications* / Q000473:pathology; D014057:Tomography, X-Ray Computed