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What’s New in Thyroid Tumor Classification, the 2017 World Health Organization Classification of Tumours of Endocrine Organs

  • Giovanni TalliniEmail author
  • Dario de Biase
  • Andrea Repaci
  • Michela Visani
Chapter

Abstract

This chapter presents a brief summary and an overview of the main changes in the classification of thyroid tumors in the fourth edition of the World Health Organization (WHO) Classification of Tumours of Endocrine Organs published in 2017. The important topic of the diagnostic categories of follicular-patterned nodules with borderline histopathological features for a diagnosis of carcinoma covered in the fourth edition of the WHO represents the main focus of this chapter in order to provide the context for other chapters of this volume that also cover the topic.

Keywords

Thyroid gland Thyroid nodule Thyroid carcinoma Papillary thyroid carcinoma Follicular variant papillary carcinoma Noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) Well-differentiated tumor of uncertain malignant potential (WDT-UMP) Follicular tumor of uncertain malignant potential (FT-UMP) 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Giovanni Tallini
    • 1
    Email author
  • Dario de Biase
    • 2
  • Andrea Repaci
    • 3
  • Michela Visani
    • 1
  1. 1.Anatomic Pathology-Molecular Diagnostic UnitUniversity of Bologna School of MedicineBolognaItaly
  2. 2.Anatomic Pathology-Molecular Diagnostic Unit, Department of Pharmacy and BiotechnologyUniversity of BolognaBolognaItaly
  3. 3.Endocrinology UnitUniversity of Bologna School of MedicineBolognaItaly

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