Marsh | IELs Marsh/Corazza | Crypts | Villi | Corazza |
Type 0 | <40 | Normal | Normal | |
Type 1 | >40/>25 | Normal | Normal | Grade A |
Type 2 | >40/>25 | Hypertrophic | Normal | |
Type 3 | >40/>25 | Hypertrophic | Partial to subtotal | Grade B1 |
>40/>25 | Hypertrophic | Total | Grade B2 | |
Type 4 | <40 | Normal | Total |
Reproduced with permission from: Rubio-Tapia A, Hill ID, Semrad C, et al. American College of Gastroenterology guidelines update: Diagnosis and management of celiac disease. Am J Gastroenterol 2023; 118(1):59-76. Copyright © 2022 The American College of Gastroenterology. journals.lww.com/ajg/pages/default.aspx.
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