Fibrosis (Healed Appendicitis) (4X)
Fibrosis (Healed Appendicitis) (4X)

The mucosa and lumen of the appendix have been replaced by fibrofatty tissue
Portions of the muscularis show fibrous replacement confirming the post inflammatory reparative nature of the lesion
There is no evidence of necrosis or acute inflammation
The original mucosa and lumen can be defined by following muscularis propria (arrow) in its circular course
(Description By:Martin Nadel, M.D. )
(Image Contrib. by:T.V.Rajan, M.D. UCHC )