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目的：研究胃肠道血管畸形的临床和ＤＳＡ特点。材料与方法：回顾性分析１１例胃肠道血管畸形患者的临床及ＤＳＡ表现。其中男性７例，女性４例。所有患者均作选择性肠系膜上、下动脉及腹腔动脉造影。结果：该病具有以下临床和ＤＳＡ特点：（１）临床特点：①多为中老年患者；②以反复发作的慢性间歇性消化道出血（黑便或便血）为主要症状；③常规检查一般阴性。（２）ＤＳＡ特点：①出现异常增多的细小血管，或伴扩张的供血动脉，此为主要诊断依据；②肠壁染色增浓，或造影剂外渗入肠管；③静脉早显呈“双轨”征象，或伴扭曲、扩张的小静脉。结论：结合临床特点和ＤＳＡ表现，胃肠道血管畸形可作出正确诊断。
Objective: To study the clinical and DSA features of gastrointestinal vascular malformations. Materials and Methods: The clinical and DSA findings of 11 patients with gastrointestinal vascular malformations were analyzed retrospectively. Among them, there are 7 males and 4 females. All patients were for selective mesenteric artery, inferior artery and celiac artery angiography. Results: The disease has the following clinical and DSA features: (1) clinical features: ① mostly elderly patients; ② repeated episodes of chronic intermittent gastrointestinal bleeding (melena or blood in the stool) as the main symptom; ③ routine examination was generally negative . (2) The features of DSA: (1) The presence of abnormally small blood vessels or accompanying dilated feeding arteries is the main diagnostic basis; (2) the bowel wall is stained thicker or the contrast agent is infiltrated into the intestine; (3) , Or with twisted, dilated venules. Conclusion: Combined with clinical features and DSA manifestations, gastrointestinal vascular malformations can be correctly diagnosed.