Table 1. Histopathological scores.
| Tongue | Inner cheek | ||||
|---|---|---|---|---|---|
| Keratinized papillae | < 10% | +++ | Inflammatory cell infiltration | none | - |
| 10–40% 40–70% | ++ + | 1–3% 3–5% | + ++ | ||
| > 70% | - | > 5% | +++ | ||
| Epithelial thickness/cell layer | 0–1 | +++ | Hemorrhage | none | - |
| 1–3 3–5 | ++ + | 1–10% 10–20% | + ++ | ||
| > 5 | - | > 20% | +++ | ||
| Swelling in the lamina propria | < 10% | - | Muscle fiber degeneration | none | - |
| 10–30% | + | 1–5% | + | ||
| 30–50% | ++ | 5–10% | ++ | ||
| > 50% | +++ | > 10% | +++ | ||