Prognostic factors for malignant peripheral nerve sheath tumour
| Features reported to predict recurrence143 | Anatomic site |
| Tumour size (≥10 cm) | |
| Adequacy of resection margins | |
| Features reported to predict metastases141 143 | Lack of S100 staining |
| Tumour size (≥10 cm) | |
| Tumours that are American Joint Committee on Cancer stage III | |
| Features associated with worse outcome141 144 145 | Elevated Ki67 expression (>25%) |
| Nuclear TP53 expression |