Colorectal Surgery — MCQs

Acute pseudo-obstruction of the colon is known as:

High or low fistula in ano is termed according to its internal opening with reference to which anatomical landmark?

What is the best initial management of a 2cm tumor of the anal canal?

For young patients, abdominal rectopexy is preferred, while for older patients, perineal rectopexy (e.g., Delormes, Altemeier) is preferred. The underlying cause must be treated. What degree of rectal prolapse is typically addressed with perineal rectopexy?

A 52-year-old woman undergoes a sigmoid resection with primary anastomosis for recurrent diverticulitis. She returns to the emergency room 10 days later with left flank pain and decreased urine output; laboratory examination is significant for a white blood cell (WBC) count of 20,000/mm3. She undergoes a CT scan that demonstrates new left hydronephrosis, but no evidence of an intraabdominal abscess. Which of the following is the most appropriate next step in management?

Following genetic counseling for Familial polyposis coli in a 15-year-old individual, an APC gene mutation is identified. What is the next recommended screening step?

Which type of malignancy is typically found in association with an anorectal fistula?

What is the most common site of ischemic colitis?

Which of the following are premalignant conditions of the gastrointestinal tract?

A 20-year-old male presents with osteomas of the skull. Which of the following conditions is most commonly associated with this finding?