Letters to the Editor

Tumor flare pain reaction following bispecific T-Cell engagers in multiple myeloma: a unique and underrecognized toxicity

Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec
Nuclear Medicine Department, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec
Nuclear Medicine Department, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec
Divison of hematology, Hôtel-Dieu de Lévis, CISSS de Chaudières-Appalaches, Lévis, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec, Canada; Hôpital Maisonneuve-Rosemont Research Center, University of Montreal, Montreal, Quebec
Biochemistry Laboratory, Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec, Canada; Hôpital Maisonneuve-Rosemont Research Center, University of Montreal, Montreal, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec, Canada; Hôpital Maisonneuve-Rosemont Research Center, University of Montreal, Montreal, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec
Hematology-Oncology and Cell Therapy University Institute, Hôpital Maisonneuve- Rosemont, University of Montreal, Montreal, Quebec, Canada; Hôpital Maisonneuve-Rosemont Research Center, University of Montreal, Montreal, Quebec
Haematologica Early view Mar 26, 2026 https://doi.org/10.3324/haematol.2025.289122