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BACKGROUND: While carotid artery disease and strokes have been documented in adult cancer patients treated with neck irradiation, little information is available on pediatric patients. The purpose of this study is to determine if carotid disease is more prevalent among pediatric cancer survivors treated with neck irradiation than among healthy controls. PROCEDURE: Thirty pediatric cancer survivors who received neck irradiation (2,000-6,660 cGy) and 30 healthy subjects underwent bilateral carotid ultrasounds. Study outcome measures were common carotid intima-media thickness (IMT) and plaque (present or absent). Multivariate methods were used to compare cases and controls and to identify risk factors related to carotid disease in childhood cancer survivors. RESULTS: IMT was greater for cancer survivors than controls (0.46 mm (SD 0.12) vs. 0.41 mm (SD 0.06), P or=2,000 cGy and IMT or plaque. CONCLUSIONS: Carotid artery disease was more prevalent among cancer survivors treated with neck irradiation than among controls. Due to the high risk of stroke associated with advanced carotid disease, larger prospective studies are needed to better define disease risk in these long-term survivors.
Meeske et al. (Sat,) studied this question.
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