Cervical Edema Extending to the Larynx as Local Cytokine Release Syndrome Following Chimeric Antigen Receptor T-Cell Therapy in a Boy with Refractory Acute Lymphoblastic Leukemia
CASE REPORTS IN ONCOLOGY(2022)
摘要
Cytokine release syndrome (CRS) is one of the major acute complications caused by massive cytokine release after chimeric antigen receptor (CAR) T-cell therapy. Patients with tumor masses were considered at high risk of local CRS induced by the expansion of CAR T cells in the tumor masses. However, even patients without any tumor burden around the neck are at risk of developing cervical edema as local CRS, which can lead to life-threatening airway obstruction. Here, we present the case of a 15-year-old boy who developed cervical edema as a local CRS after CAR T-cell therapy for refractory acute lymphoblastic leukemia. Despite administration of tocilizumab and methylprednisolone for persistent fever as a symptom of systemic CRS after CAR T-cell therapy, cervical edema occurred and extended to the larynx, resulting in dysphagia and hoarseness. Dexamethasone was remarkably effective, and the laryngeal symptoms resolved within a few hours. Local cytokine syndrome showed exacerbation with tocilizumab but exhibited considerable improvement with dexamethasone administration.
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关键词
Chimeric antigen receptor T-cell therapy,Cytokine release syndrome,Laryngeal edema
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