Colorectal

Question 1

What is the arterial and venous blood supply to the rectum?

Answer 1

Arterial:
Superior: Superior rectal off the IMA

Middle: Middle rectal off the hypogastric

Inferior: Inferior off of the pudendal off hypogastric

Venous:

Superior:
IMV to portal vein

Middle:
Hypogastric to systemic

Inferior:
Hypogastric to systemic

Question 2

What is the size cut-off for transanal excision of a rectal mass?

Answer 2

<1 cm in size can get transanal excision

Need 1 cm margins

Question 3

What is the surveillance recommendations for patients with FAP s/p TAC w/iliorectal anastomosis?

Answer 3

Surveillance endoscopy q1 year