Review
Copyright ©The Author(s) 2017.
World J Gastroenterol. Jan 28, 2017; 23(4): 573-589
Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.573
Table 2 Corazza-Villanacci classification
Grade A
Nonatrophic, with normal V:C ratio and ↑ IELs (> 25 IELs/100 enterocytes)
Grade B1
"Atrophic", V:C < 3:1, but villi still detectable and ↑ IELs (> 25 IELs/100 enterocytes)
Grade B2
Atrophic and flat, villi not detectable and ↑ IELs (> 25 IELs per 100 enterocytes)