Letters to the Editor

Recurrent oral ulceration after CD19 CAR T-cell therapy defines a delayed mucosal inflammatory phenotype

Department of Hematology, Leiden University Medical Center, Leiden
Department of Pathology, Leiden University Medical Center, Leiden
Department of Hematology, Leiden University Medical Center, Leiden
Department of Hematology, Maastricht University Medical Center
Department of Hematology, University Medical Center Utrecht, Utrecht
Department of Hematology, Radboud University Medical Center, Nijmegen
Department of Hematology, Erasmus Medical Center, Rotterdam
Department of Hematology, Leiden University Medical Center, Leiden
Department of Pathology, Amsterdam University Medical Centers, Amsterdam
Department of Hematology, Amsterdam University Medical Centers, Cancer Center Amsterdam and LYMMCARE Amsterdam
Department of Pathology, University of Groningen, University Medical Center Groningen, Groningen
Department of Hematology, University of Groningen, University Medical Center Groningen, Groningen
Department of Hematology, Leiden University Medical Center, Leiden
Department of Hematology, Leiden University Medical Center, Leiden
Haematologica Early view Sep 10, 2026 https://doi.org/10.3324/haematol.2026.301117