From: Validation study of villous atrophy and small intestinal inflammation in Swedish biopsy registers
Classification used in this project | Normal | Inflammation | Villous atrophy | |||
---|---|---|---|---|---|---|
Marsh Classification* | Type 0 | Type 1 | Type 2 | Type 3a | Type 3b | Type 3c |
Marsh Description | Pre-infitrative | Infiltrative | Infiltrative-hyperplastic | Flat destructive | ||
Corazza et al [5] | - | Grade A | Grade B1 | Grade B2 | ||
SnoMed Codes | M0010, M0011 | M40000, M41000, M42000, M43000, M47000, M47170 | M58, D6218, M58005 | M58, D6218, M58006 | M58, D6218, M58007 | |
KVAST/Alexander classification | I Normal | II Intraepithelial lymphocytosis (IEL)# | III Partial VA | IV Subtotal VA | IV Total VA | |
Characteristics | Â | Â | Â | Â | Â | Â |
Villous atrophy | - | - | - | + | ++ | ++ |
IEL# | - | + | + | + | + | + |
Crypt hyperplasia | - | - | + | + | ++ | ++ |