Abstract
Objective To analyze the endoscopic observation of gastroduodenal ulcer radioactive injury induced by pancreatic cancer radiotherapy, and to preliminary investigate the risk factors of radiation-induced ulcer after radiotherapy in patients with pancreatic cancer. Methods A total of 112 patients with pancreatic cancer who accepted gastroscopy before and after radiotherapy at Air Force General Hospital were collected. Self-comparative study of gastroscopic findings was performed on these patients. Single factor analysis and the logistic regression analysis model were used to analyze whether the clinical factors were likely to affect the radiation-induced ulcer or not. Results The total incidence of radiation-induced ulcer was 42.0% (47/112) in 112 patients. The history of ulcer and grade 2 or more acute gastrointestinal symptoms (P= 0.036, P= 0.030) were the independent risk factors of radiation-induced ulcer. The rest clinical factors had no influence on the radiation-induced ulcer (all P > 0.05). Conclusion In the radiotherapy of pancreatic cancer, patients who has the history of ulcer or grade 2 or more acute gastrointestinal symptoms should be alert to the occurrence of radiation-induced ulcer. Key words: Pancreatic neoplasms; Radiotherapy; Peptic ulcer; Radiation injury
Published Version
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