Intestinal Obstruction - lower GI

Question 1

What is Meconium Ileus?

Answer 1

• can be congenital in cystic fibrosis
• due to viscid consistency of meconium –> obstruction

Question 2

What GI issue can children with cystic fibrosis develop in later life?

Answer 2

• meconium ileus equivalent (MIE) syndrome
• unique to CF

Question 3

What is colonic adenocarcinoma?

Answer 3

• commonest form of colorectal cancer (CRC)
• neoplasia of glandular tissue with epithelial origin

see left of photo

Question 4

What GI issue can colonic adenocarcinoma cause?

Answer 4

•obstruction in stomach and large bowel.

Question 5

What is the pathophysiology of the GI issue caused by colonic adenocarcinoma?

Answer 5

• Forms in an annular ring like fashion around bowel wall.
• –> constriction –> ultimately obstruction.

Question 6

What can be a presenting symptom of colonic adenocarcinoma?

Answer 6

• change in stool
• change in bowel habits

Question 7

What are the cardinal symptoms of intestinal obstruction?

Answer 7

• abdo pain
• vomiting
• distension
• absolute constipation

Question 8

What is

a) true colic
b) small bowel colic
c) large bowel colic

Answer 8

a) true = intermittent severe central gripping pain
b) small bowel = occurs every 2-20 minutes
c) large bowel = every 30 minute or more