Abstract
Acute diverticulitis is defined as an active inflammation of the colon´s diverticulum and may involve a perforation or a microperforation. This pathology can be isolated or recurrent, uncomplicated or complicated. Acute diverticulitis may present itself as a mild intermittent pain or as a severe, constant and chronic abdominal pain usually in the left lower quadrant. This review of the subject about diverticulitis allows a guide for all of the medical community based on the most recent evidence to diagnose and thus be able to manage this pathology.