Table A2.
Histological evaluation system—Dermal or panniculus inflammation.
Score Finding | 0 | 1 | 2 | 3 | 4 |
---|---|---|---|---|---|
Dermal inflammation: | None | Minimal | Mild | Moderate | Severe |
Granulocyte cell presence | None | Minimal | Mild | Moderate | Severe |
Mononuclear cell (lymphocytes +plasma cells) presence | None | Minimal | Mild | Moderate | Severe |
Macrophages and giant cell presence | None | Minimal | Mild | Moderate | Severe |
Necrosis in the wound area | Normal, no necrosis | Rare necrotic foci surrounded by macrophages | Minimal necrosis involving less than 25% of the wound area surrounded by macrophages Or Necrosis of epidermis adnexa and up to 10% upper dermis (depth of dermis) |
Focal necrosis, involving 60% of the wound area Or Necrosis or sloughing of the epidermis. Adnexal necrosis. Necrosis of 10 to 25% depth of dermal necrosis |
Complete wound area necrotic. Or Sloughing of the adnexal epidermis necrosis. More than 25% of death from dermal necrosis |