Table 1.
Four morphological types of diverticular disease of the appendix [2].
| Type 1 | Appendiceal diverticulitis + normal appendix |
| Type 2 | Appendiceal diverticulitis + acute appendicitis |
| Type 3 | Uncomplicated diverticulum + acute appendicitis |
| Type 4 | Uncomplicated diverticulum + normal appendix |