Non-functioning pituitary neuroendocrine tumors do not cause endocrine symptoms related
to hypersecretion of adenohypophyseal hormones and are clinically characterized by …

Neuroendocrine tumours of the adenohypophysis have traditionally been designated as
pituitary adenomas to underline their usually indolent growth and lack of metastatic …

Endocrine pituitary tumors arise from adenohypophyseal cells. Their classification has
evolved over the years supported by continuing improvements of numerous technologies …

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 …

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 …

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 …

WHO classification of pituitary adenomas was revised in 2017. The two major and significant
changes are discussed.(1) The new classification focuses on adenohypophysial-cell lineage …

The fourth edition of the World Health Organization classification of endocrine tumors has
been recently published. There are two critical changes to the classification for pituitary …

The classification of neoplasms of adenohypophysial cells is misleading because of the
simplistic distinction between adenoma and carcinoma, based solely on metastatic spread …

Pituitary adenomas are common intracranial tumors that are mainly considered as benign.
Rarely, these tumors can exhibit an aggressive behavior, characterized by gross invasion of …