RECTUM

Question 1

are usually painless papules caused by varicose veins. They can be internal or external (above or below the anorectal junction).

Answer 1

external hemorrhoids

Question 2

is a cavity of pus, caused by infection in the skin around the anal opening. It causes throbbing pain and is red, swollen, hard, and tender.

Answer 2

perianal abscess

Question 3

These splits in the tissue of the anal canal are caused by trauma. A swollen skin tag (“sentinel tag”) is often present below the fissure on the anal margin. They cause intense pain, itching, and bleeding.

Answer 3

anal fissure

Question 4

This occurs when the mucosa of the rectum protrudes out through the anal opening.

Answer 4

rectal prolapse

Question 5

This is evidenced by a small, round opening in the skin that surrounds the anal opening. It suggests an inflammatory tract from the anus or rectum out to the skin.

Answer 5

anorectal fistula