BACKGROUND Atypical pituitary adenomas (APAs) are a subset of pituitary adenomas
(PAs) characterized by the 2004 World Health Organization (WHO) guidelines to have …

The human pituitary gland is located in the sella turcica and consits of the adenohypophysis
and the neurohypophysis. The adenohypophysis, comprising approximately 80% of the …

Pituitary adenomas are a category of neoplasms with a high degree of heterogeneity that
occur in the central regulatory organ pituitary, which plays important roles in the …

Object Pituitary tumors are abnormal growths that develop in the pituitary gland. The Central
Brain Tumor Registry of the United States (CBTRUS) contains the largest aggregation of …

Background The increasing use of cranial tomographic imaging has led to the more frequent
discovery of pituitary tumors. In this review, we discuss the clinical symptoms that point …

Introduction Usually benign, pituitary tumors (PT) can be invasive and aggressive with a
propensity to progress and/or recur. Trouillas's clinicopathological classification attempts to …

Abstract The 2017 World Health Organization classification of central nervous system and
endocrine tumors have introduced significant changes in the diagnostic criteria for pituitary …

Introduction The term atypical pituitary adenoma (APA) was revised in the 2004 World
Health Organization (WHO) classification of pituitary tumors. However, two of the four …

With a prevalence of 80–100/100000, pituitary adenomas are more frequent than thought.
The rare aggressive pituitary adenoma presents a special challenge, due to the …

Aggressive pituitary neuroendocrine tumors (APT) account for 10% of pituitary tumors. Their
management is a rapidly evolving field of clinical research and has led pituitary teams to …