Manuel Sobrinho-Simões MD, PhD, is co-founder and Director of IPATIMUP, Porto, Portugal. He is also Professor and Director of the Department of Pathology and Oncology of the Medical Faculty of the University of Porto, Portugal. His research interests are focused on thyroid cancer pathology: aetiopathogenesis,diagnosis, prognosis and therapy selection. He was President of the European Society of Pathology from 1999-2001 and is co-author of the 2nd, 3rd and 4th edition of the WHO book on endocrine tumours (1988, 2004 and 2016 (in preparation)). Manuel Sobrinho-Simões was voted the most influential pathologist in the World (2015) in a poll conducted by "The Pathologist".

José Manuel Cameselle-Teijeiro, MD, PhD, is a member of the Department of Anatomic Pathology at the Clinical University Hospital in Santiago de Compostela, Spain, and is Associate Professor of the Medical School there. His research interests are focused on thyroid tumors pathology, with an emphasis on familial

Provides detailed descriptions and documentation of almost all the rare tumours and tumor-like lesions of the thyroid

Broadens our current understanding of thyroid oncology through the study of rare lesions in the context of common thyroid tumours

Offers an in-depth review of the histogenesis of most of the rare lesions of the thyroid, which is needed for diagnosis and therapy