Small & large intestine

diverticulosis

diverticulosis

abnormal outpouchings in the intestinal wall of the colon

Diverticulitis

inflammation of the diverticula

diverticulitis

diverticulitis

Crohn's disease

chronic inflammation of the intestinal tract

distended small bowel

colon cancer

- contrast enhanced annular lesion

- sharp edge - shouldering sign

- malignant tumour

- colon cancer causing obstruction

colitis

- inflammation of the colon

- wall thickening

polyps

Crohn's disease

- skip lesions, discontinuous

- affected area: small bowel & duodenum

- string sign: tubular narrowing

ulcerative colitis

- thickened transverse colon wall

- can still see the lumen

- suggest inflammation and NOT a tumour

- thickening @ flexure

ulcerative colitis

chronic inflammation of the colon with presence of ulcers

toxic megacolon

- transverse colon is >6cm

- affects smooth muscle tone

- cause dilatation

- no transition point as it is not about mechanical obstruction

toxic megacolon

Incisional hernia

A type of hernia caused by an incompletely-healed surgical wound

incisional hernia

incisional hernia

Sigmoid volvulus

Sigmoid volvulus

coffee bean sign

diverticulum

colon cancer

- a malignant tumor of the colon

- apple core sign

- annular lesion

intussusception

- telescoping of the intestines

- pseudokidney sign (bowel looks like a kidney)

- causes obstruction

ulcerative colitis

appendicitis

inflammation of the appendix