下消化道出血是一种较常见的临床症状,为了提高诊断率和治愈率,今结合我院外科自1961～1977年收治有较完整记载的471例的临床分析,对下消化道出血的原因、诊断和治疗的体会作一介绍。一、临床资料下消化道出血系指回肠下段、回盲部、全部结肠、直肠及肛管的出血,其表现可以是大便带血或全部便血。血色可为鲜红、暗红色或柏油样。除全身性及中毒性疾病(如血液系统疾病、急性传染病、肠寄生虫病、维生素缺乏症、理化因素等二十余种疾病外),常见的疾病却只有4～5种。我院471例中,最多见的原因为直肠癌、痔、直肠息肉、肠套迭,少见病例仅占全组总数的2.58%(附表)。从附表上可以看出:各类疾病的发病,男性均多 Lower gastrointestinal bleeding is a more common clinical symptoms, in order to improve the diagnostic rate and cure rate, combined with our hospital since 1961 to 1977, a more complete record of 471 cases of clinical analysis of the causes of lower gastrointestinal bleeding , Diagnosis and treatment of the experience to make an introduction. First, the clinical data Lower gastrointestinal bleeding refers to the lower ileum, ileocecal Department, all the colon, rectum and anal bleeding, the performance can be stool blood or all blood in the stool. Scarlet can be bright red, dark red or tarry. In addition to systemic and toxic diseases (such as blood diseases, acute infectious diseases, intestinal parasitic diseases, vitamin deficiency, physical and chemical factors more than 20 kinds of diseases), the common disease is only 4 to 5 kinds. 471 cases of our hospital, the most common cause of rectal cancer, hemorrhoids, rectal polyps, intussusception, rare cases accounted for only 2.58% of the total (Schedule). As can be seen from the schedule: the incidence of various diseases, men are more