Crohns Disease of the Ileum

Crohns Disease of the Ileum •The terminal ileum shows a marked serosal reaction(yellow arrow) as evidence of the transmural nature of the inflammation in Crohn's disease •The mesenteric fat is beginning to spread over the serosal surface"creeping fat"(green arrow) secondary to the inflammation •A delicate vermiform appendix is seen(white arrow) (Description By:Martin Nadel, M.D. ) (Image Contrib. by: UCHC )