Appendiceal Crohn’s disease clinically presenting as acute appendicitis

Table 2 Summary of histologic features of appendiceal Crohn’s disease

Histologic features	Number of cases	%
Wall thickening	11/12	92
Transmural inflammation	12/12	100
Lymphoid aggregates	12/12	100
Epithelioid granuolmas	12/12	100
Mucosal ulceration	11/12	92
Crypt abscess	5/12	42
Perforation	2/12	17
Muscular hypertrophy	1/12	8
Neural hyperplasia	5/12	42
Perpendicular serosal fibrosis	8/12	67