Table 4.
Score | Scoring Criteria |
---|---|
0 | <2% of length of epidermis |
1 | <50% of length of epidermis |
2 | 50% of length of epidermis to diffuse; if diffuse, there are areas where staining is lost or nearly lost |
3 | Diffuse (∼100% of length of epidermis); moderate intensity with areas where staining is limited to 1–2 cell layer thickness in upper epidermis |
4 | Diffuse (∼100% of length of epidermis); staining is bright and thick throughout epidermis |
Abbreviation: RISH, RNA in situ hybridization.