[Two case reports of cerebrovascular disorder after radiation therapy].
D001932:Brain Neoplasms / Q000532:radiotherapy*; D002533:Cerebral Angiography; D002561:Cerebrovascular Disorders / Q000000981:diagnostic imaging / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D011832:Radiation Injuries / Q000209:etiology*