The fourth edition of the World Health Organization (WHO) Classification of Tumors of the
Pituitary Gland was released in 2017 (Table 1). 1 Several changes are recommended in the …

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 …

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 …

Pituitary adenomas constitute approximately 15% of all intra-cranial neoplasms. The
majority of pituitary tumors are adenomas, which are benign and noninvasive (confined to …

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 classification of tumours of the pituitary gland has recently been revised in the 2021 5th
edition World Health Organization (WHO) Classification of Central Nervous System Tumours …

Until now pituitary tumors are considered as benign and usually named ''pituitary
adenomas'', whereas only the very rare pituitary tumors (0.2%) with subarachnoid, brain or …

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

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

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 …