Methods Selective mesenteric artery angiography was performed in 38 patients with IAVM,and in 10 of them the guide wire or catheter itself was left in site as a marker.

• 方法将选择性肠系膜动脉造影用于术前诊断肠动静脉畸形38例。其中10例放置导引钢丝或造影导管，作为术中定位标记，并即刻或择期手术。