DSA对下消化道出血的诊断价值(附32例分析)

Evaluation of DSA in the Diagnosis of Lower Digestive Canal Bleeding due to Unknown Causes: A Report of 32 Cases

目的 探讨DSA对下消化道出血的诊断价值。资料与方法 对 32例不明原因性消化道出血患者进行DSA检查 ,19例经手术病理证实。结果 DSA发现 2 5例病变 ,阳性率为 78.1%。其中血管性病变 13例 ,肿瘤 6例 ,憩室 2例 ,非特异性炎症 1例 ,溃疡 2例 ,息肉 1例。结论 DSA对下消化道出血 ,尤其对小肠和胆道出血病变的定位。

Objective To evaluate DSA in diagnosing bleeding from the lower digestive tract. Materials and Methods DSA was performed in 32 patients with digestive canal bleeding due to unknown causes, of which the diagnosis was pathologically proved in 19.Results DSA discovered abnormalities in 25 cases (78.1%), which included vascular malformation (n=13), tumor (n=6), diverticulum (n=2), nonspecific inflammation (n=1), ulcer (n=2) and polypus (n=1).Conclusion DSA is of great value in the diagnosis of lower digestive canal bleeding, especially in making orientational and qualitative diagnosis of hemorrhage from the small intestine or biliary ducts.