Acute diverticulitis

Discussion:

Colonic diverticular disease is very common entity to be found in the elderly population. It affects 5% - 10% of the population over 45 years, and 80% of population over 80 years. Diverticula can be seen in all colonic segments, however they are much more often found in the sigmoid 1.

Acute diverticulitis is a colonic and pericolonic inflammatory condition, caused by obstruction of the diverticulum neck by stool, inflammation of food particles 1.

Most common CT findings are pericolic fat stranding, sometimes disproportionately prominent compared to the wall thickening and enhancement of the colonic wall.

Complications can also be seen in the CT, represented by extraluminal liquid or gas, suggesting perforation, abscess and/or fistula formation.

Treatment varies with presentation.

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