Table 2 Histological characteristics of gastric lesions in M. unguiculatus infected with H. pylori based on the updated Sydney System
Stage of infection | Length of Infection (months) | Activity | Atrophy | Metaplasia |
|---|---|---|---|---|
Control | 0 | 0 | 0 | 0 |
Colonization | 3 | 1 | N | N |
Persistence | 6 | 2 | L | N |
Chronicity | 12 | 3 | M | N |
Chronicity | 18 | 3 | M | L |