Abbreviations
B-ALL B cell acute lymphoblastic leukemia
ED Emergency department
PBS Peripheral blood smear
TdT Terminal deoxynucleotidyl transferase
FGFR1 Fibroblast growth factor receptor 1
PDGFRα Platelet-derived growth factor receptor alpha
PDGFRβ Platelet-derived growth factor receptor beta
JAK2 Janus kinase 2
BFM Berlin-Frankfurt-Münster
AEC Absolute eosinophil count
mm Millimeter
PE Primary eosinophilia
SE Secondary eosinophilia
HE Hypereosinophilia
IL Interleukin
IGH Immunoglobulin heavy locus
ALL-eo ALL with eosinophilia
HES Hypereosinophilic syndrome
WBC White blood cells
Hb Hemoglobin
IHC Immunohistochemical
BCR Breakpoint cluster region
ABL1 Abelson murine leukemia 1
CD Cluster of differentiate
PAPOLA  Poly(A) polymerase alpha
CPSF1 Cleavagee and polyadenylation specificity factor 1
FIP1L1 Factor interacting with PAPOLA and CPSF1