Results: 14

Incidentalomas o no incidentalomas: ¿cuál es la relevancia de los adenomas hipofisarios en el adulto?
Incidentalomas or Non-Incidentalomas: What is the Relevance of Pituitary Adenomas in the Adult?

Introducción: desde el punto de vista anatómico, los adenomas hipofisarios (AH) se observan en el 10% de la población. Son en su mayoría pequeños y no funcionantes. La mayoría de los incidentalomas descubiertos en estudios de imágenes con alta resolución pedidos en situaciones clínica...

Hereditary pituitary tumor syndromes: genetic and clinical aspects

Rev. invest. clín; 72 (1), 2020
ABSTRACT The pituitary gland is responsible for the synthesis and secretion of various hormones that play a key role in regulating endocrine function and homeostasis. Pituitary adenomas (PA) are benign epithelial tumors arising from the endocrine cells of the anterior pituitary gland. Clinically relevant...

Effect of lncRNA HULC knockdown on rat secreting pituitary adenoma GH3 cells

Braz. j. med. biol. res; 52 (4), 2019
Pituitary adenoma is one of the most common tumors in the neuroendocrine system. This study investigated the effects of long non-coding RNAs (lncRNAs) highly up-regulated in liver cancer (HULC) on rat secreting pituitary adenoma GH3 cell viability, migration, invasion, apoptosis, and hormone secretion, a...

Tumores hipofisarios, casuística de Anatomía Patológica
Pituitary tumors: anatomopathological reports

Prensa méd. argent; 104 (6), 2018
This study examines a description of pituitary tumors considering an anatomopathological casuistic. The study of the tumors of the Central Nervous System (CNS) include the pituitary gland, located in the sella turcica. The pathology of the sellar region is represented by the adenomas, tumors of slow deve...

Recurrent Pituicytoma in a Pediatric Patient: A Case Report

Arq. bras. neurocir; 37 (2), 2018
Pituicytoma is a rare tumor that arises from the glial cells of the neurohypophysis. For a long time, it was believed that pituicytomas only appeared in adults. Currently, at least three cases of this entity occurring in children have been reported in the literature. The aim of the present report is to d...

Presentación atípica de un prolactinoma gigante en un adolescente de 15 años

Arch. argent. pediatr; 116 (2), 2018
El prolactinoma gigante es un adenoma pituitario poco frecuente caracterizado por su gran invasión local. Se reporta el caso de un varón de 15 años de edad con dolor retroocular izquierdo y exoftalmos ipsilateral de 4 meses de evolución secundario a un tumor en la base del cráneo que invadía la ór...

Study of major genetic factors involved in pituitary tumorigenesis and their impact on clinical and biological characteristics of sporadic somatotropinomas and non-functioning pituitary adenomas

Braz. j. med. biol. res; 51 (9), 2018
Genetic and functional aberrations of guanine nucleotide-binding protein, alpha stimulating (GNAS), aryl hydrocarbon receptor interacting protein (AIP), and pituitary tumor transforming gene (PTTG) are among the most prominent events in pituitary tumorigenesis. A cohort of Brazilian patients with somatot...

Manifestaciones neuroftalmológicas en enfermedades neuroendocrinas
Neurophthalmological findings in neuroendocrine diseases

Rev. cuba. oftalmol; 29 (3), 2016
La neuroftalmología es considerada una especialidad frontera por su vínculo con otras múltiples especialidades médicas, clínicas y quirúrgicas. Los tumores de hipófisis son de tal importancia desde el punto de vista neuroftalmológico que son tratados separadamente en casi todos los textos de la e...

Prolactinomas may have unusual presentations resulting from massive extrasellar tumor extension

Arq. neuropsiquiatr; 74 (7), 2016
ABSTRACT The purpose of this case series is to report eight patients with giant prolactinomas emphasizing presentations and a treatment complication. The study group included six men and two women. The median age was 29 years (18–54 years); median serum prolactin level was 4,562 ng/ml (1,543–...

Pituitary macroadenoma: analysis of intercarotid artery distance compared to controls

Arq. neuropsiquiatr; 74 (5), 2016
ABSTRACT Objective To evaluate the intercarotid distance (ICD) of patients with pituitary macroadenoma and compare to heatlhy controls. Method We retrospectively reviewed contrast-enhanced MRI images from twenty consecutive patients diagnosed with non-functioning pituitary macroadenoma, measured the ...