Sanchez Beatriz, Dutra Jose, Nayar Ritu, Lin Xiaoqi, Metastatic Malignant Peripheral Nerve Sheath Tumor to the Thyroid, Journal Of Thyroid Cancer, Volume 1, Issue 1, 2015, Pages 18-23, ISSN 2574-4496, https://doi.org/10.14302/issn.2574-4496.jtc-15-779. (http://jphi-healthcarejournals.netjtc/article/203) Keywords: Thyroid; MPNST; metastasis; fine needle aspiration