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20-09-2016 | Endocrine cancers | Book chapter | Article

99. Chemotherapy for Anaplastic Thyroid Cancer

Authors: MD David A. Liebner, MD Sigurdis Haraldsdottir, MD Manisha H. Shah

Publisher: Springer New York

Abstract

Anaplastic thyroid cancers (ATC) account for roughly 2.2 % of all thyroid cancers in the USA (Hossain et al. J Clin Oncol 28(15s):abstr 5588, 2010) and are believed to arise from differentiated thyroid cancers (DTC) via the accumulation of genetic abnormalities that result in dedifferentiation and an aggressive phenotype (Wiseman et al. J Clin Oncol 24(18s):abstr 5556, 2006). Unfortunately, ATC is usually advanced at the time of diagnosis, with approximately 76–79 % of all patients having disease extending beyond the thyroid/neck at the time of presentation (Hossain et al. J Clin Oncol 28(15s):abstr 5588, 2010; Chen et al. Am J Clin Oncol 31(5):460–4, 2008). In the vast majority of patients, surgery alone has been associated with poor outcomes, leading to investigation into additional therapeutic options.

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