Figure 2
Pre-operative mesenteric angiogram. Whereas the celiac and inferior mesenteric arteries were patent, cannulation of the superior mesenteric artery shown here reveals severe stenosis or occlusion of multiple SMA branches (black arrows) from extrinsic compression by the carcinoid tumor. Flow to the ileocolic artery is occluded proximally and reconstituted distally from jejunoileal collaterals