High-risk pituitary adenomas are aggressive. They show clinical and imaging features
similar to those of carcinomas, including infiltration of the surrounding brain structures, but …

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 WHO categorizes pituitary tumours as typical adenomas, atypical adenomas and
pituitary carcinomas, with typical adenomas constituting the major class. However, the WHO …

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 …

Pituitary tumors are common and exhibit a wide spectrum of hormonal, proliferative and
invasive behaviors. Traditional classifications consider them malignant only when they …

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 …

Pituitary adenomas comprise a heterogenous group of adenohypophyseal tumours with
distinct clinicopathological features across both the clinically functioning and silent groups …

Pituitary adenomas are common neoplasms. Their classification is based upon size,
invasion of adjacent structures, sporadic or familial cases, biochemical activity, clinical …

Pituitary adenomas are classified as typical or atypical, invasive or noninvasive, and
aggressive or nonaggressive based on pathological features, radiological findings, and …

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 …