Case 35. 

Crohn-like longitudinal colonic ulcer in chronic granulomatous disease (8 y-o M)
　 　 　 　
　 Colon surgically resected for intractable ulceration seen in chronic granulomatous disease 　
　 　 　 　

　

 　 Epithelioid cells are clustered in the granuloma (HE, high power). E. coli antigens are not demonstrated by immunostaining.