肠系膜上动脉造影有助于早期诊断。
Mesenteric angiography is the definite method for diagnosis.
下消化道出血则可行肠系膜上动脉造影。
The superior mesenteric arteriogram is a better method for diagnosing bleeding of low digestive tract.
其中12例为肠系膜上动脉造影，3例腹腔动脉造影。
Among them, 12 cases were in superior mesenteric artery, 3 cases were in celiac artery.
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