Results 271 to 280 of about 557,485 (321)

Ultrastructure of spontaneous pituitary neoplasms in the rat

Journal of Comparative Pathology, 1980
Abstract Spontaneous pituitary neoplasms of 19 old Sprague-Dawley rats were examined by electron microscopy. The ultrastructure suggested that the chromophobe adenomata were derived mainly from mammotropic cells and that they were functionally active.
S K, Majeed, C, Gopinath, G, Magnusson
openaire   +3 more sources

Diagnosis and Management of Pituitary Adenomas: A Review.

Journal of the American Medical Association (JAMA), 2023
Importance Pituitary adenomas are neoplasms of the pituitary adenohypophyseal cell lineage and include functioning tumors, characterized by the secretion of pituitary hormones, and nonfunctioning tumors.
N. Tritos, K. Miller
semanticscholar   +1 more source

Pituitary Neuroendocrine Neoplasms

2020
Pituitary neuroendocrine tumors are a complex family of lesions that show a spectrum of differentiation based on their developmental regulatory transcription factors and hormone expression. They can cause a number of clinical syndromes such as acromegaly, Cushing disease, hyperprolactinemia, and hyperthyroidism or they may be clinically silent.
Sylvia L. Asa, Ozgur Mete
openaire   +1 more source

Xanthogranulomatous Hypophysitis Mimicking a Pituitary Neoplasm

Endocrine Pathology, 2004
Hypophysitis is an inflammatory disease of the pituitary gland that clinically and radiologically mimics pituitary tumors. We report here a case of xanthogranulomatous hypophysitis mimicking a pituitary neoplasm.A 65-yr-old woman presented with weight loss, fatigue, and visual disturbance.
Shunichi, Yokoyama, Toshiaki, Sano, Kenichiro, Tajitsu, Kazuhiro, Kusumoto   +3 more
openaire   +2 more sources

Biomarkers of pituitary neoplasms.

Anticancer research, 2013
In a wide spectrum of tumors, cell proliferation, vascularity, apoptosis, cell adhesion, and cell-cycle progression may indicate tumor progression. In this review article, the literature regarding apoptotic markers and p53, as well as cyclooxygenase-2, galectin-3, and pituitary tumor-transforming factor, proliferative markers, angiogenesis, including ...
Aydin, Sav, Fabio, Rotondo, Luis V, Syro, Bernd W, Scheithauer, Kalman, Kovacs   +4 more
openaire   +1 more source

MEDICAL TREATMENT OF PITUITARY NEOPLASM

JAMA: The Journal of the American Medical Association, 1925
The frequency of unsuccessful operations on tumors of the hypophysis has led us to search for a method of approach that is less hazardous. Two fields seemed open—that of glandular therapy and that of radiotherapy. The average benign enlargement of the pituitary gland will proceed along a certain stereotyped course.
openaire   +1 more source

Molecular, functional, and histopathological classification of the pituitary neuroendocrine neoplasms

Brain Tumor Pathology, 2021
C. Inomoto, S. Tahara, K. Oyama, M. Kimura, A. Matsuno, A. Teramoto, R. Osamura   +6 more
semanticscholar   +1 more source

Neoplasms of the Anterior Pituitary

Neurosurgery, 1978
K S, McCarty, D E, Bredesen, F S, Vogel
openaire   +2 more sources

Pituitary adenoma or neuroendocrine tumour: the need for an integrated prognostic classification

Nature Reviews Endocrinology, 2023
Ken K. Y. Ho, U. Kaiser, P. Chanson, M. Gadelha, J. Wass, L. Nieman, A. Little, M. Aghi, L. Raetzman, K. Post, G. Raverot, A. Borowsky, D. Erickson, Justo P. Castaño, E. Laws, M. Zatelli, J. Sisco, L. Esserman, K. Yuen, M. Reincke, S. Melmed   +20 more
semanticscholar   +1 more source

[Pituitary metastases in patients with prior neoplasms].

Endocrinologia y nutricion : organo de la Sociedad Espanola de Endocrinologia y Nutricion, 2009
The pituitary is an uncommon site for metastases. We report three cases of patients with a history of cancer (breast and lung) who presented with symptoms of headache, ophthalmoplegia, fatigue, diabetes insipidus, nausea, and vomiting. Cranial magnetic resonance imaging was performed, revealing sellar masses with infiltration of the adjacent tissues ...
Itziar, Frago Marquínez, Clara, Fuentes Gómez, Gonzalo, Maldonado Castro, Nagore, Puelles Emaldibarra, Sonia, San Miguel López de Uralde, Jon, Echeveste Aizpurua, Gorka, Arroita González   +6 more
openaire   +1 more source