放射性直肠炎是盆腔恶性肿瘤放射治疗的常见并发症。出血时内科治疗常无效,而手术病残率和死亡率甚高。8例出血性放射性直肠炎病人接受肠腔内福尔马林治疗。女性7例,男性1例,平均年龄63岁(42～73岁)。在以前平均30个月(9～46个月)内因宫颈癌(7例)和前列腺癌(1例)接受过放射治疗。症状性直肠出血的平均时间为8个月(1～12个月),平均 Radiation proctitis is a common complication of radiotherapy for pelvic malignancies. Medical treatment of bleeding often ineffective, and surgical morbidity and mortality rates are high. Eight patients with hemorrhagic radiation proctitis received formalin in the intestine. There were 7 females and 1 males, with an average age of 63 years (range, 42-73 years). Radiation was given to cervical cancer (7 cases) and prostate cancer (1 case) within the previous 30 months (9 to 46 months). Symptomatic rectal bleeding for an average of 8 months (1 to 12 months), average