Vascular Diseases of the Large Intestine

Question 1

Most susceptible areas of the colon to ischemia?

Answer 1

Those areas b/w adjacent arterial distribution (“watershed areas”)

Question 2

Clinical Syx of ischemic bowel disease?

Answer 2

Abdominal pain, rectal bleeding, change in bowel habits

Question 3

Condition in which arteriovenous malformations mainly in the cecum and ascending colon cause lower intestinal bleeding?

Answer 3

Angiodysplasia (Vascula Ectasia)

Question 4

What are hemorrhoids?

Answer 4

Dilated venous channels of the hemorrhoidal plexus

Question 5

What is a complication of hemorrhoids?

Answer 5

Rectal prolapse, bleeding, iron deficiency anemia and thrombosis