嗜酸性胃肠炎为一种原因不甚明确的疾病,一般认为是对外源性或内源性过敏原的变态反应所致。病变范围多局限于胃和小肠,也可以单独存在于胃、直肠或小肠。一、临床表现:因嗜酸性粒细胞浸润的部位和浸润的深度而异。一般分为两型。(一)弥漫型:30～50岁多见,男性略多于女性。病程1年至数十年。80%病人出现胃肠道症 Acidophilic gastroenteritis is an ill-defined cause of the disease, generally considered to be caused by an allergic reaction to exogenous or endogenous allergens. Most of the lesion is confined to the stomach and small intestine, and can also exist alone in the stomach, rectum or small intestine. First, the clinical manifestations: due to eosinophil infiltration of the site and depth of infiltration vary. Generally divided into two types. (A) diffuse type: 30 to 50 years old more common, men slightly more than women. Course of 1 years to decades. 80% of patients with gastrointestinal symptoms