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Updated: Nov 28, 2025
![Dynamic Imaging of Chimeric Antigen Receptor T Cells with [18F]Tetrafluoroborate Positron Emission Tomography/Computed Tomography](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F62334.jpg&w=3840&q=50)
Dynamic Imaging of Chimeric Antigen Receptor T Cells with [18F]Tetrafluoroborate Positron Emission Tomography/Computed Tomography
Published on: February 17, 2022
Use of Tocilizumab in Management of Post-Operative Myelomonocytic Leukemoid Reaction
Megan Melody1, Emily Butts1, David Menke2
1Department of Internal Medicine, Mayo Clinic, Jacksonville, FL, United States.
Abstract:
Interleukin 6 receptor (IL6R) inhibitor, tocilizumab, has been effectively used in the treatment of cytokine release syndrome in patients receiving chimeric antigen receptor T-cell therapy. Here we present a patient with chronic myelomonocytic leukemia (CMML) who developed a steroid refractory, post-operative myelomonocytic leukemoid reaction (PO-MMLR), effectively treated with tocilizumab. Although, further studies are needed to validate the effectiveness of tocilizumab in management of PO-MMLR, this case serves to provide a new management approach in treatment of this rare but lethal syndrome with no standardized treatment options.
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