QuestionSBA
QuestionChoice
This is the most common cause of large bowel obstruction. Once the diagnosis of large bowel obstruction has been established, it would be useful to perform a CT abdomen to identify any tumours.
10007626
a
Colonic tumour
QuestionChoice
This is an important cause of large bowel obstruction, but not the most common cause. Strictures can occur secondary to diverticular disease or can happen in other conditions such as inflammatory bowel disease. They can also occur as a result of post-surgery as anastomosis.
10007627
b
Stricture
QuestionChoice
Adhesions can cause large and small bowel obstructions. Adhesions are the most common cause of small bowel obstructions, whereas large bowel obstructions are most commonly caused by colonic malignancy.
10007630
e
Adhesion
QuestionChoice
Hernias can cause large bowel obstructions, but the most common cause of large bowel obstruction is a colonic tumour.
10007629
d
Hernia
QuestionChoice
This is an important cause of large bowel obstruction but not the most common cause. The most common cause of large bowel obstruction are colonic tumours.
10007628
c
Volvulus
Concept
Chapter
2693
4611
Large Bowel Obstruction
Topic
136
Gastroenterology
14072
A 40-year-old male presents to A&E with central abdominal pain that has been increasing over the past 3-4 days. His abdomen is distended with tinkling bowel sounds, and he reports not opening his bowels for around a week. You suspect he has a large bowel obstruction.

What is the most common cause of large bowel obstruction?
a