Blastemal WT | Positive (focal in 75%) | 70% (nuclear and cytoplasmic) | Negative (rare cell may be positive) | Negative | Negative |
RTK | Positive in most tumours | Negative | Negative | Negative | Negative |
CCSK | Negative | Negative | Negative | Negative | Negative |
PNET | Negative | Negative | 94–100% positive | Positive | Negative |
Neuroblastoma | Negative | Negative or weak positive | Negative | Positive | Negative |
Embryonal rhabdomyosarcoma | Negative | Cytoplasmic staining | Negative | Negative | Negative |
Non-Hodgkin lymphoma | Negative | Negative (except in lymphoblastic lymphoma) | Negative (except in lymphoblastic lymphoma) | Negative | Positive |