Scores | Microscopic findings |
---|---|
0 | Normal histological findings |
1 | Mucosa: villus blunting, loss of crypt architecture, sparse inflammatory cell infiltration, vacuolization and edema. Normal muscular layer |
2 | Mucosa: villus blunting with fattened and vacuolated cells, crypt necrosis, intense inflammatory cell infiltration, vacuolization and edema Normal muscular layer |
3 | Mucosa: villus blunting with fattened and vacuolated cells, crypt necrosis, intense inflammatory cell infiltration, vacuolization and edema Muscular: edema, vacuolization, sparse neutrophil infiltration |