Summary of the intensity and distribution of melanocyte staining with T311, A103, S-100, and HMB45 in benign melanocytic lesions
| T311 | A103 | S-100 | HMB45 | |
|---|---|---|---|---|
| Staining: +, weak; ++, strong. | ||||
| Compound naevus (4) | ++ Junctional and superficial dermal cells + deep dermal cells (2) | ++ All cells (4) | ++ All cells (4) | + Junctional and superficial dermal cells (2) |
| ++ Junctional and superficial dermal cells with no staining deep dermal cells (2) | No staining (2) | |||
| Intradermal naevus (3) | + All cells (1) | ++ All cells (3) | ++ All cells (3) | ++ Superficial dermal cells (1) |
| ++ Superficial dermal cells (2) | No staining (2) | |||
| Junctional naevus (3) | ++ All cells (3) | ++ All cells (3) | ++ All cells (3) | ++ All cells (2) |
| + All cells (1) | ||||
| Blue naevus (3) | ++ All cells (2) | ++ All cells (3) | ++ All cells (2) | ++ All cells (1) |
| ++ Deep dermal cells + superficial dermal cells (1) | + All cells (1) | ++ Deep dermal cells no staining of superficial dermal cells (2) | ||
| Spitz naevus (4) | ++ All cells (4) | ++ All cells (4) | ++ All cells (4) | ++ All cells (2) |
| + Superficial dermal cells (2) | ||||
| Spindle cell naevus of Reed (4) | ++ All cells (4) | ++ All cells (4) | ++ All cells (4) | ++ All cells (3) |
| + All cells (1) | ||||
| Dysplastic naevus (4) | ++ All cells (3) | ++ All cells (4) | ++ All cells (4) | ++ All cells (3) |
| + All cells (1) | + All cells (1) | |||