Medical MCQ-A 58 year old male presents with fatigue, abdominal pain and bloody stools. Colonoscopy reveals a mass in the descending colon. For surgical removal of the mass, ligation of which of the following arteries is required?

A 58 year old male presents with fatigue, abdominal pain and bloody stools. Colonoscopy reveals a mass in the descending colon. For surgical removal of the mass, ligation of which of the following arteries is required?

Superior mesenteric artery

Inferior mesenteric artery

External iliac artery

Internal iliac artery

Question Category:

Surgery

Correct Answer:

Inferior mesenteric artery

Description:

Answer: b) Inferior mesenteric artery (SABISTON 19th ED, P-1299; SCHWARTZ 10TH ED, P-1187)Left Colectomy.For lesions or disease states confined to the distal transverse colon, splenic flexure, or descending colon, a left colectomy is performed.The left branches of the middle colic vessels, the left colic vessels, and the first branches of the sigmoid vessels are ligated.A colocolonic anastomosis can usually be performed.

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