Development of Thyroid Carcinoma During Treatment With Pembrolizumab in a Lung Cancer Patient.

Gorospe, Luis; García-Gómez-Muriel, Isabel; Pian-Arias, Héctor Gerardo; Gómez-Ramírez, Joaquín; Rioja-Martín, María Eugenia; Olmedo-García, María Eugenia; Garrido-López, Pilar; Muñoz-Molina, Gemma María et al. · Ann Thorac Surg · 2020

case_report · Level V

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Abstract

Pembrolizumab, a programmed death 1 inhibitor, has been shown to have clinically significant efficacy in different types of cancer, providing long-term survival benefit for patients with lung cancer. Herein, we report the development of a primary thyroid cancer in a lung cancer patient that was being treated with pembrolizumab. Primary thyroid malignancy (and not only metastatic disease or immunotherapy-induced thyroiditis) should be considered in patients with lung cancer being treated with immune checkpoint inhibitors who develop new incidental thyroid lesions on imaging studies.

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