Unusual causes of stroke in a young adult.
D000328:Adult; D001157:Arterial Occlusive Diseases / Q000209:etiology; D002539:Cerebral Arterial Diseases / Q000209:etiology; D002561:Cerebrovascular Disorders / Q000209:etiology*; D006330:Heart Defects, Congenital / Q000150:complications*; D006801:Humans; D008297:Male; D009494:Neurosyphilis / Q000150:complications*