Table 2 Classification of acute intestinal graft-versus-host disease [33]
From: Inflammatory and infectious manifestations of immunodeficiency in the gastrointestinal tract
Grade | Histologic criteria |
|---|---|
Grade 0 | Normal mucosa |
Grade 1 | Apoptotic epithelial cells |
Grade 2 | Crypt or gland destruction |
Grade 3 | Focally denuded or ulcerated mucosa |
Grade 4 | Diffusely denuded or ulcerated mucosa |
