A 66-Year-Old Man Presented to the Clinic for Adominal Ultrasound

A 66-year-old man presented to the clinic for adominal ultrasound screening. The image showed abdominal aortic aneurysm with a A 66-year-old man presented to the clinic for abdominal ultrasound screening. The image showed an abdominal aortic aneurysm with a diameter of 6 cm. The patient has a history of hypertension, smoking, and alcoholism. The patient does not report any symptoms. Abdominal examination reveals a bruit, but no pulsatile mass is palpated. The patient is planning to have an open repair. During the surgery, the aortic part affected is dissected, the inferior mesenteric artery is ligated and a graft is placed. Which of the following arteries would provide collaterals to replenish the blood supply to the descending colon?

A) Celiac trunk
B) External iliac artery
C) Internal iliac artery
D) Renal artery
E) Superior mesenteric artery

Correct Answer:

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