Clinical Research
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Jul 21, 2008; 14(27): 4319-4323
Published online Jul 21, 2008. doi: 10.3748/wjg.14.4319
Table 2 Histopathologic criteria for diagnosis of lymphocytic colitis and collagenous colitis
Histopathologic criteria
Lymphocytic colitisChronic inflammatory infiltration in lamina propria
Increased IELs
Superficial epithelial degeneration and increased mitosis in crypts
IELs/100 intercryptal epithelial cell > 20/100
Collagenous colitisA diffusely distributed and thickened sube-pithelial collagen band > 10 &mgr;m
Chronic inflammatory infiltration in lamina propria