According to the WHO classification 2017 of Pituitary Tumors adenomas are classified not
only by structure and immunostaining for pituitary hormones but also by expression of the …

This review focuses on discussing the main changes on the upcoming fourth edition of the
WHO Classification of Tumors of the Pituitary Gland emphasizing histopathological and …

The immunohistochemistry (IHC) characterization of pituitary transcription factors (PTFs)
PIT1, TPIT, and SF1, which enable the identification of three different adenohypophyseal cell …

Background Pituitary tumors are common lesions, and they represent the second most
frequent primary brain tumor. Their classification has undergone several changes over time …

The 4th edition of the World Health Organization (WHO) classification of endocrine tumors
has been recently released. In this new edition, major changes are recommended in several …

Pituitary adenomas (PAs) are a common subtype of intracranial tumors. The aim of the
present study was to analyse the clinical and pathological features of different types of …

This chapter focuses on surgical pathologic features of pituitary adenomas using the new
classification systems that employ transcription factors steroidogenic factor-1 (SF1) and PIT1 …

Abstract The World Health Organization (WHO) classifications of tumors offer invaluable
support in the diagnosis of tumors, with every new edition including novel information and …

This review summarizes the changes in the 5th Edition of the WHO Classification of
Endocrine and Neuroendocrine Tumors that relate to the pituitary gland. The new …

Pituitary tumors are very complex and heterogeneous and have a very wide range of
proliferative and aggressive behaviors, and how to define and classify these tumors remains …