Pautas en el diagnóstico morfológico, inmunohistoquímico y genético de los tumores de células redondas y pequeñas con especial referencia al sarcoma de Ewing/PNET

in order to attain an accurate diagnosis. In conclusion, the integration of clinical, histopathological, IHC and genetic findings is the method of choice for the diagnosis of ESFT, as well as for the differential diagnosis with other SRCTs.