Letters to the Editor

Flow cytometric analysis of cerebrospinal fluid identifies patients with occult central nervous system involvement in relapsed pediatric acute lymphoblastic leukemia

Department of Pediatrics and Adolescent Medicine, Rigshospitalet, University of Copenhagen, Copenhagen
Department of Clinical Immunology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark; Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen
Department of Pediatrics and Adolescent Medicine, Rigshospitalet, University of Copenhagen, Copenhagen
Department of Pediatrics, Oslo University Hospital, Oslo
Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark; Department of Clinical Medicine, Aarhus University, Aarhus
Sweden Childhood Cancer Center, Skaane University Hospital, Lund
Pediatric Department, Aalborg University Hospital
Department of Pediatric Hematology and Oncology, Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense
Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, Children and Adolescents, Helsinki University Hospital, Helsinki
Department of Pediatrics and Adolescent Medicine, Rigshospitalet, University of Copenhagen, Copenhagen
Department of Pediatrics and Adolescent Medicine, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark; Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen
Haematologica Early view Jul 10, 2025 https://doi.org/10.3324/haematol.2025.287392