Letters to the Editor

Deletion mutations of the ABL1 gene in Philadelphia chromosome-positive acute lymphoblastic leukemia: high prevalence with limited clinical impact

Department of Hematology, Toranomon Hospital, Tokyo
Department of Hematology, Toranomon Hospital, Tokyo, Japan; Center for Long-Term Follow-Up after Hematopoietic Cell Transplantation, Toranomon Hospital, Tokyo, Japan; Okinaka Memorial Institute for Medical Research, Tokyo
Department of Hematology, Toranomon Hospital, Tokyo
Department of Hematology, Toranomon Hospital, Tokyo
Department of Hematology, Toranomon Hospital Kajigaya, Kanagawa
Department of Hematology, Toranomon Hospital Kajigaya, Kanagawa
Department of Hematology, Toranomon Hospital, Tokyo, Japan; Department of Transfusion and Cellular Therapy, Toranomon Hospital, Tokyo, Japan; Center for Cellular Therapy, Toranomon Hospital, Tokyo
Department of Hematology, Toranomon Hospital, Tokyo, Japan; Department of Transfusion and Cellular Therapy, Toranomon Hospital, Tokyo, Japan; Center for Cellular Therapy, Toranomon Hospital, Tokyo
Department of Hematology, Toranomon Hospital, Tokyo
Department of Hematology, Toranomon Hospital Kajigaya, Kanagawa
Department of Hematology, Toranomon Hospital, Tokyo, Japan; Center for Long-Term Follow-Up after Hematopoietic Cell Transplantation, Toranomon Hospital, Tokyo
Center for Long-Term Follow-Up after Hematopoietic Cell Transplantation, Toranomon Hospital, Tokyo, Japan; Department of Transfusion and Cellular Therapy, Toranomon Hospital, Tokyo, Japan; Center for Cellular Therapy, Toranomon Hospital, Tokyo
Department of Hematology, Toranomon Hospital, Tokyo, Japan; Center for Cellular Therapy, Toranomon Hospital, Tokyo
Center for Long-Term Follow-Up after Hematopoietic Cell Transplantation, Toranomon Hospital, Tokyo, Japan; Department of Hematology, Toranomon Hospital Kajigaya, Kanagawa
Department of Hematology, Toranomon Hospital, Tokyo
Department of Hematology, Toranomon Hospital, Tokyo, Japan; Okinaka Memorial Institute for Medical Research, Tokyo
Haematologica Early view Nov 20, 2025 https://doi.org/10.3324/haematol.2025.288739