Childhood Cancer Survivors Who've Had One Stroke at Risk of Second

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August 28, 2015

A new study, featured in Neurology, analyzed data from over 14,300 people in the United States and Canada found that childhood cancer survivors who have had one stroke face a heightened risk of having another. Subjects of the study included patients that were diagnosed with childhood cancers between 1970 and 1986. Of the 271 patients that had a stroke, 33 percent who received cranial radiation therapy developed a second stroke later on. “Previous research has shown that radiation therapy to the head is a strong predictor of a first stroke. In an earlier study, this same team of investigators found that children treated for brain tumors were 30 times more likely to have a stroke than their siblings.” The researchers also noted that damaged blood vessels caused by cancer treatment usually can be viewed through MRI scans.

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