High-dose interleukin-2 (IL-2) is an available treatment option for patients with metastatic melanoma or renal cell carcinoma, and is associated with sustained complete and partial responses in a subset of patients. IL-2, however, is not devoid of toxicities, most of which involve the cardiovascular system and manifest as hypotension, arrhythmias, and cardiomyopathy. This report describes an unusual presentation of takotsubo cardiomyopathy in a postmenopausal woman receiving high-dose IL-2 for metastatic melanoma.
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Senthil Damodaran, Ewa Mrozek, David Liebner, and Kari Kendra
James S. Blachly, Gerard Lozanski, David M. Lucas, Michael R. Grever, Kari Kendra, and Leslie A. Andritsos
The activating BRAF mutation p.V600E has been identified in many cancers, including colon and lung adenocarcinomas, papillary thyroid cancer, malignant melanoma, and hairy cell leukemia (HCL). Malignant melanoma and HCL are of particular interest because of both the high proportion of cases harboring the mutation and the dramatic responses to BRAF inhibitor therapy reported in the literature. This report presents a patient with HCL and malignant melanoma with the BRAF p.V600E mutation, and discusses the successful treatment of both cancers with the BRAF inhibitor dabrafenib.
