Radiological Manifestations of Radiation-Induced Injury to the Normal Upper Gastrointestinal Tract

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Abstract
Radiation-induced injury to the normal esophagus, stomach, and duodenum in patients with advanced cervical carcinoma who received high para-aortic lymph-node irradiation to an average tumor dose of 5,000 rads is discussed. Radiation esophagitis is usually the result of mediastinal irradiation for bronchogenic carcinoma. The most consistent radiological finding is abnormal motility, with esophageal stricture and/or ulceration occurring less frequently. Radiation gastritis usually presents as pyloric ulceration or irregular contractions of the antrum, simulating gastric carcinoma. Postbulbar duodenal mucosal thickening, ulceration, and strictures may occur. Pertinent clinical features, pathogenesis, and pathological correlations are discussed.

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