Peer Teaching GI

Question 1

Histology of chrons?

Answer 1

Patches of transmural inflammation throughout large bowel and terminal
ileum, with evidence of granulomas and deep ulceration.

Question 2

Histology of UC?

Answer 2

Continuous mucosal inflammation throughout the large bowel which stops
abruptly at the ileocecal junction

Mucosal inflammation limited to the rectum, with evidence of superficial
ulceration and crypt abscesses

Question 3

Histology changes of Barrett’s oesophagus?

Answer 3

The distal oesophageal epithelium undergoing metaplasia from squamous
to columnar