Case of laparoscopic right hemicolectomy for ascending colon cancer after aortic graft replacement and revascularization of the superior mesenteric artery

Abstract

A 67-year-old man who presented with a bloody stool was diagnosed with ascending colon cancer. He had previously experienced thoracic and abdominal aortic dissections, which were treated with thoracic and abdominal aortic grafts and superior mesenteric artery revascularization. We performed a laparoscopic right hemicolectomy with a D3 lymph node dissection. During the laparotomy, we identified the superior mesenteric artery and an enlarged anterior superior pancreaticoduodenal artery. Injury to the latter artery could lead to severe ischemia in multiple organs; therefore, it was crucial to identify the primary feeding artery and vascular anatomy before and during surgery. We chose the laparoscopic right hemicolectomy to avoid injuring the anterior superior pancreaticoduodenal artery and the intra-abdominal abscess. This case study was the first to describe a laparoscopic hemicolectomy after thoracic and abdominal aortic grafts and superior mesenteric artery revascularization.

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