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结肠血管扩张症是下消化道出血原因之一，其病理特点是粘膜下血管异常扩张、瘀血及多灶性粘膜出血，多发生于老年人，是血管退行性变所致。报告手术治疗７例，２例术后发生了再出血，系由于内镜、血管造影及手术探查所见病变部位不一致，而术者过于相信手术所见，忽略了该病的病理特点，造成切除范围不够，术后发生再出血。提出切除范围应该包括内镜、血管造影及手术探查任何一种检查所发现的病变部位，至少应该是此三者发现病变范围的相加，以防再出血。
Colon vasodilation is one of the causes of lower gastrointestinal bleeding, the pathological features of submucosal abnormalities in blood vessels, blood stasis and mucosal bleeding, occurred in the elderly, is caused by vascular degeneration. The report of surgery in 7 cases, 2 cases of rebleeding occurred after the Department of Endoscopy, angiography and surgical exploration of the lesion found inconsistent, but the surgeon too believe the surgery seen, ignoring the pathological features of the disease, resulting in resection Insufficient range, postoperative bleeding occurred again. Proposed removal should include endoscopy, angiography and surgical exploration of any of the lesions found in the examination, at least the three should be found in the sum of the scope of the disease, in case of rebleeding.