The value of digital subtraction angiography in diagnosing small intestinal hemorrhage with unknown reasons / 介入放射学杂志

ABSTRACT

Objective To discuss the diagnostic value of DSA for unknown reason hemorrhage of small intestine.Methods 25 patients with hemorrhage of small intestine were performed angiography with Seldinger's technique through superior mesenteric artery.Results Eleven cases demonstrated direct signs of hemorrhage,12 cases of indirect signs of hemorrhage and 5 with both of the signs.The positive rate of hemorrhage was 72% including 10 cases of tumor(6 leiomyomas,2 leiomyosarcomas,1 interstitial tumor,1 small intestinal cancer),4 cases of Meckel's diverticulum,3 cases of vascular malformation and 1 case of inflammation.The coincidence rate of positive cases with pathology was 75%and the diagnostic accuracy of localization was 100%.Conclusions DSA angiography is very helpful for determining the location and chara-cter of unknown reason hemorrhage of small intestine.(J Intervent Radiol,2006,15:221-223)