Letters to the Editor

Origins of iAMP21 in children who later developed paediatric acute lymphoblastic leukemia: an investigation of neonatal blood spots

Department of Women’s and Children’s Health, Uppsala University, SE-75237 Uppsala, Sweden; Department of Pediatric Hematology/Oncology, Children’s University Hospital, Se-75185 Uppsala Sweden
Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala
Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala
Clinical Pathology and Cancer Diagnostics, Karolinska University Hospital and Institute, 171 76, Stockholm
Center for Evolution and Cancer, The Institute of Cancer Research London
Department of Pediatric Hematology/Oncology, Children’s University Hospital, Se-75185 Uppsala Sweden; Dept. of Clinical Science, Intervention and Technology, CLINTEC, Karolinska Institutet, SE141 86 Stockholm
Haematologica Early view Apr 16, 2026 https://doi.org/10.3324/haematol.2026.300813