Table 5
Staining in neurofibroma (NF) and malignant peripheral nerve sheath tumour (MPNST) areas
| p53 | bcl-2 | N-CAM | CD34 | |||||
|---|---|---|---|---|---|---|---|---|
| Case | NF | MPNST | NF | MPNST | NF | MPNST | NF | MPNST |
| —, <3% of cells positive; 1, 3–50% of cells positive; 2, ≥50% of cells positive.N-CAM, neural cell adhesion molecule. | ||||||||
| 1 | — | 1+ | — | — | — | — | 2+ | — |
| 2 | — | 1+ | — | — | — | — | — | — |
| 3 | — | — | 1+ | 1+ | — | — | 1+ | 1+ |
| 4 | — | — | 1+ | 1+ | — | — | 2+ | 2+ |
| 5 | — | 1+ | 1+ | 1+ | — | 2+ | 2+ | — |
| 6 | — | 1+ | 1+ | 1+ | 2+ | 2+ | 1+ | — |
| 7 | — | — | 1+ | 1+ | 1+ | 2+ | — | — |
| 8 | — | 1+ | 1+ | 1+ | 1+ | 2+ | 1+ | 1+ |
