放射性肠炎 (radiationenteritis,RE)是继发于腹部、盆腔和腹膜后恶性肿瘤放射治疗后的并发症之一 ,病变常累及小肠、结肠、直肠等 ,可以在治疗中或治疗后发生 ,其中以放射性直肠炎最常见。常见的原发病是子宫、附件、膀胱、直肠的恶性疾病。RE发生率的统计结果差异较大 ,国外 Radiationenteritis (RE) is one of the complications after radiotherapy of abdominal, pelvic and retroperitoneal malignant tumors. The lesions often involve the small intestine, colon, rectum, etc., and may occur during or after treatment. Radioactive enteritis Proctitis is the most common. Common primary disease is the womb, annex, bladder, rectal malignant disease. The incidence of RE statistical differences between the larger foreign countries