Hyperprolactinemia, defined by a level of serum prolactin above the standard upper limit of
normal range, is a common finding in clinical practice and prolactinomas are the main …

Prolactinomas are the most common pituitary tumor histotype, with microprolactinomas
being prevalent in women and macroprolactinomas in men. Hyperprolactinemia is among …

Background Macroprolactinemia is a common cause of hyperprolactinemia (HPRL), with an
average worldwide incidence of 18.9%. This study aimed to explore the feasibility of …

A 59-year-old Italian man was referred to our outpatient clinic in June 2022 for evaluation of
repeatedly high PTH levels (155 ng/L, normal range 8–79) incidentally discovered 12 years …

Objectives Macroprolactin cross-reacts in immunoassays for prolactin causing apparent
hyperprolactinaemia (macroprolactinaemia) and consequent misdiagnosis and …

Prolactin (PRL) is a pleiotropic hormone released from lactotrophic cells of the anterior
pituitary gland that also originates from extrapituitary sources and plays an important role in …

Background Macroprolactin is responsible for pseudohyperprolactinemia and is a common
pitfall of the prolactin immunoassay. We aimed to determine the frequency of …

BACKGROUND: Prolactin is a hormone of the pituitary gland whose main function is the
production of milk. Hyperprolactinemia is defined as an increase in prolactin levels above 25 …

Background: Stress-induced hyperprolactinemia can be difficult to differentiate from true
hyperprolactinema and may result in patients having unnecessary investigations and …

Objectives Macroprolactinemia is one of the major causes of hyperprolactinemia. The aim of
this study was to clarify the origin of macroprolactin (macro-PRL). Methods We examined …