Table 2

Immunocytochemical panel in a round cell tumour in the renal region

TumourCytokeratinWT1MIC2SynaptophysinLCA
Blastemal WTPositive (focal in 75%)70% (nuclear and cytoplasmic)Negative (rare cell may be positive)NegativeNegative
RTKPositive in most tumoursNegativeNegativeNegativeNegative
CCSKNegativeNegativeNegativeNegativeNegative
PNETNegativeNegative94–100% positivePositiveNegative
NeuroblastomaNegativeNegative or weak positiveNegativePositiveNegative
Embryonal rhabdomyosarcomaNegativeCytoplasmic stainingNegativeNegativeNegative
Non-Hodgkin lymphomaNegativeNegative (except in lymphoblastic lymphoma)Negative (except in lymphoblastic lymphoma)NegativePositive