WT1 and desmoplastic small round cell tumor: DSRCT is caused by a translocation between the Ewing sarcoma breakpoint region 1 (EWSR1) gene on chromosome 22 and the Wilms tumor 1 (WT1) gene on chromosome 11, leading to the establishment of the EWSR1-WT1 fusion oncogene which alters gene expression and leads to malignancy [4–7].