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Head and Neck Imaging |
1 From the Departments of Radiology (L.J.K., S.N.H., J.A.W.W., R.H.R.), Oncology (T.A.L., J.S.), and Pediatric Oncology (J.E.K., E.A.S.), St Bartholomew's Hospital, London, England. From the 1997 RSNA scientific assembly. Received May 27, 1998; revision requested July 16; final revision received January 25, 1999; accepted March 30. Address reprint requests to L.J.K., Department of Radiology, Royal Hospital Haslar, Gosport, Hampshire, PO12 2AA, United Kingdom.
PURPOSE: To determine the prevalence and severity of asymptomatic carotid arterial disease in young patients following neck radiation therapy for Hodgkin lymphoma and to compare the prevalence of carotid arterial disease following radiation therapy alone with that following radiation therapy and chemotherapy.
MATERIALS AND METHODS: Forty-two survivors of childhood or early adult Hodgkin lymphoma aged 1837 years who had undergone radiation therapy more than 5 years earlier underwent carotid arterial ultrasonography. Common carotid intima-media thickness was measured; carotid vessels were assessed for intima-media abnormalities. Results were compared with those from 33 control subjects.
RESULTS: Patients had a significantly greater number of abnormal scans than did control subjects (11 [26%] vs one [3%]; P < .01). Ten patients (24%) had intima-media abnormalities that did not cause significant stenosis; one patient had diffuse bilateral intima-media thickening (mean, 1.99 mm) with greater than 70% stenosis of both common carotid arteries. Intima-media thickness was significantly greater in patients (0.51 mm) than in control subjects (0.43 mm; P < .005). The number of abnormalities in patients with radiation therapy plus chemotherapy (six [19%] of 31 patients) did not differ significantly from the number in patients with only radiation therapy (five [45%] of 11 patients; P = .12); there was no significant difference between median intima-media thicknesses (0.50 mm vs 0.51 mm, P > .2).
CONCLUSION: Asymptomatic carotid arterial disease occurs frequently in young patients following neck radiation therapy for Hodgkin lymphoma. No difference in prevalence was shown between only radiation therapy and radiation therapy plus chemotherapy.
Index terms: Carotid arteries, abnormalities, 904.47 Carotid arteries, stenosis or obstruction, 904.47, 904.7212 Carotid arteries, US, 904.1298 Hodgkin disease, 99.8342 Radiations, injurious effects, complications of therapeutic radiology, 904.126, 904.47, 904.7212
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