放射性直肠炎是盆腔放射治疗的常见并发症之一。放射性直肠炎最早可在射线照射后2天发生,一般在治疗开始1到2周后出现,临床表现为肠鸣音增强、腹痛、水样腹泻及里急后重。慢性放射性直肠炎的发生率为5%到20%,临床主要表现为出血、瘘道形成、直肠溃疡或狭窄。如果放射性直肠炎能够得到及时、得当的治疗和护理, Radiation proctitis is one of the common complications of pelvic radiotherapy. Radiation proctitis can occur as early as 2 days after radiation exposure, usually 1 to 2 weeks after treatment began to appear, the clinical manifestations of increased bowel sounds, abdominal pain, watery diarrhea and tenesmus. The incidence of chronic radiation proctitis is 5% to 20%, the main clinical manifestations of bleeding, fistula formation, rectal ulceration or stenosis. If radiotherapy proctitis can get timely, proper treatment and care,