放射性肠炎的内镜特点和治疗

The endoscopic feature and treatment of radiation enteritis

放射性肠炎（RE）是放疗后常见的肠道并发症，可累及肠道任何节段，临床主要表现为腹痛、腹泻，严重者可发生肠梗阻、肠穿孔以及肠瘘等。本病病理变化特殊，处理困难，对于已发生RE者，目前主要治疗措施包括：药物、高压氧、内镜下治疗等内科保守方法及其他方法如外科手术、干细胞疗法等，缺乏统一的治疗策略。本文就RE的内镜特点及治疗进展进行综述，探索有效可靠的治疗方案。

Radiation enteritis （RE} is a common intestinal complication after radiotherapy and can affect any- segment of the intestine. The main clinical symptonls are abdominal pain, diarrhea, intestinal obstruction,intestinal perforation and intestinal fistula. The pathological changes of the disease are special and it is difficult to cure. The main treatments include drugs, hyperbaric oxygen, endoscopic therapy and other methods （ e. g. , surgery- and stem cell therapy） , but without standard guidelines. This article reviews the pathogenesis, the endoscopic features and the progress in the treatment of RE, and explores effective and reliable treatment.