Case Reports

ALK-positive histiocytosis and a clonally related chronic myelomonocytic leukemia

Department of Pathology, University Medical Center Utrecht
Department of Hematology, University Medical Center Utrecht
Department of Head and Neck Surgical Oncology, University Medical Center Utrecht, the Netherlands; Otorhinolaryngology and Head and Neck Surgery, University Medical Center Utrecht
Department of Hematology, University Medical Center Utrecht
Department of Pathology, Princess Maxima Center of Pediatric Oncology, Utrecht
Department of Pathology, University Medical Center Utrecht
Department of Pathology, Princess Maxima Center of Pediatric Oncology, Utrecht
Department of Pathology, University Medical Center Utrecht
Otorhinolaryngology and Head and Neck Surgery, University Medical Center Utrecht, the Netherlands; UMC Utrecht Brain Center, University Medical Center Utrecht
Department of Pathology, University Medical Center Utrecht
Haematologica Early view Sep 11, 2025 https://doi.org/10.3324/haematol.2025.288275