Diverticulosis of the appendix

The classification, incidence, and pathogenesis of diverticula of the appendix are discussed. Review of the literature reveals 1,373 instances of appendiceal diverticula. Forty-three were “true” or congenital diverticula, and 1,330 were “false” or acquired diverticula. Twenty-four additional cases from the University of Michigan Medical Center are described.