Diverticulosis: presence of blind pouches protruding from colon wall Diverticulitis: inflammation of diverticuli

weakness in wall next to vessel. prone to bleeding due to association with vessels

False/pseudodiverticulum

• Acquired
• most common
• only mucosal and submucosal (no muscular layer)
• Most commonly in Sigmoid

**True (**e.g. Meckles)

• congenital
• rare
• affects all layers
• most commonly in cecum

Demographics

Later age. >30y