Classifications are dynamic entities that evolve and adapt whenever progress is made in
their field. For this reason, the World Health Organization (WHO) 2004 classification of …

In 2003 a small group of pituitary pathologists were invited to Lyon, France to formulate an
up-to-date pituitary tumor classification. With the excellent leadership of Dr. RV Lloyd …

Recent studies have reported the prevalence of pituitary tumors to be~ 1/1000 population.
Many are prolactin-producing tumors that are managed medically, however, the …

Purpose To examine the contemporary epidemiology of adult pituitary tumors with a
particular focus on uncommon tumor types, using the 2017 WHO Classification of pituitary …

Pituitary tumors are not rare if prevalence rates from autopsy or radiological series are
considered; approximately 0.5% of all pituitary adenomas will come to medical attention …

Abstract Purpose The 2017 World Health Organization classification of pituitary tumors
redefined pituitary null cell adenomas (NCAs) by restricting this diagnostic category to …

Non-functioning pituitary adenomas (NFAs) or, as recently proposed,“non-functioning
pituitary neuroendocrine tumors” are benign neoplasms that arise from the …

The entity known as pituitary carcinoma has been traditionally defined as a tumor of
adenohypophysial cells that metastasizes systemically or craniospinally independent of the …

Primary tumors of the pituitary gland are the second most common histologic category of
primary central nervous system tumors across all age groups and are the most common in …

BACKGROUND Although numerous attempts have been made, the classification of pituitary
neoplasms remains controversial. METHODS The present proposal is based on correlative …