Other fusions detected in children with myeloproliferative disease include ALK [52,53], ROS1 [52,53], FIP1L1-RARA [54], HCMOGT-1-PDGFRB [55], NDEL1-PDGFRB [56], and NUP98-HOXA11 [57]. Here, PDGFRB is linked to myeloproliferative disorder.