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International Journal of Endocrinology
Volume 2014, Article ID 790834, 13 pages
http://dx.doi.org/10.1155/2014/790834
Review Article

Update on Anaplastic Thyroid Carcinoma: Morphological, Molecular, and Genetic Features of the Most Aggressive Thyroid Cancer

1Pathology Unit, IRCCS-Arcispedale Santa Maria Nuova, Viale Risorgimento 80, 42123 Reggio Emilia, Italy
2Laboratory of Translational Research, Research and Statistic Infrastructure, Arcispedale S. Maria Nuova-IRCCS, 42123 Reggio Emilia, Italy

Received 30 May 2014; Accepted 8 July 2014; Published 21 August 2014

Academic Editor: Giovanni Tallini

Copyright © 2014 Moira Ragazzi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Anaplastic thyroid carcinoma (ATC) is the most aggressive form of thyroid cancer. It shows a wide spectrum of morphological presentations and the diagnosis could be challenging due to its high degree of dedifferentiation. Molecular and genetic features of ATC are widely heterogeneous as well and many efforts have been made to find a common profile in order to clarify its cancerogenetic process. A comprehensive review of the current literature is here performed, focusing on histopathological and genetic features.