Results 31 to 40 of about 93,115 (369)
Aggressive Pituitary Tumors [PDF]
Neuroendocrinology, 2015 Pituitary adenomas are common intracranial tumors that are mainly considered as benign. Rarely, these tumors can exhibit an aggressive behavior, characterized by gross invasion of the surrounding tissues, resistance to conventional treatment leading to early and frequent recurrences.
Chatzellis, E. +3 more
openaire +3 more sources
Genetically engineered mouse models of pituitary tumors
Frontiers in Oncology, 2014 Animal models constitute valuable tools for investigating the pathogenesis of cancer as well as for preclinical testing of novel therapeutics approaches.
David A Cano +4 more
doaj +1 more source
BMC Medical Informatics and Decision Making, 2020 Background Accurately determining the softness level of pituitary tumors preoperatively by using their image textures can provide a basis for surgical options and prognosis.
Hong Zhu +3 more
doaj +1 more source
Brain Tumor Classification Using Deep Learning Technique -- A Comparison between Cropped, Uncropped, and Segmented Lesion Images with Different Sizes [PDF]
IJATCSE, 8(6), pp.3684-3691 (2019), 2020 Deep Learning is the newest and the current trend of the machine learning field that paid a lot of the researchers' attention in the recent few years. As a proven powerful machine learning tool, deep learning was widely used in several applications for solving various complex problems that require extremely high accuracy and sensitivity, particularly ...
arxiv +1 more source
Sex differences in the pituitary TGFβ1 system: the role of TGFβ1 in prolactinoma development [PDF]
, 2019 Prolactinomas are the most frequent functioning pituitary adenomas, and sex differences in tumor size, behavior and incidence have been described. These differences have been associated with earlier diagnosis in woman, as well as with serum estradiol ...
Abeledo Machado, Alejandra Inés +6 more
core +1 more source
The emerging role of non-coding RNAs in pituitary gland tumors and meningioma [PDF]
, 2021 Simple Summary Non-coding RNAs have been recently attained attention because of their contribution in the pathogenesis of brain tumors. These transcripts have been shown to be dysregulated in pituitary gland tumors as well as meningiomas.
Abak, Atefe +4 more
core +1 more source
Endocrinology and Metabolism Clinics of North America, 2015 Pituitary tumors are commonly encountered intracranial neoplasms that are invariably benign. Classic oncogene mutations are not encountered in these tumors, and disrupted cell cycle control and growth factor signaling likely contribute to pathogenesis and natural history.
openaire +2 more sources
A case of pseudoprogression in avelumab maintenance therapy for metastatic bladder cancer
IJU Case Reports, Volume 6, Issue 1, Page 5-7, January 2023., 2023 Introduction A unique phenomenon of immune therapy is pseudoprogression; however, a definite mechanism and predictive factors remain unclear. We herein report a case of pseudoprogression with avelumab maintenance therapy. Case presentation A 67‐year‐old male diagnosed with muscle‐invasive bladder cancer with lung metastasis was treated with four cycles
Nozomi Hayakawa, Eiji Kikuchi
wiley +1 more source
Components of the canonical and non-canonical Wnt pathways are not mis-expressed in pituitary tumors. [PDF]
PLoS ONE, 2013 IntroductionCanonical and non-canonical Wnt pathways are involved in the genesis of multiple tumors; however, their role in pituitary tumorigenesis is mostly unknown.ObjectiveThis study evaluated gene and protein expression of Wnt pathways in pituitary ...
Leandro Machado Colli +7 more
doaj +1 more source
A case of hypogonadtropic hypogonadism due to hypophysitis discovered by secondary male infertility
IJU Case Reports, Volume 6, Issue 1, Page 51-53, January 2023., 2023 Introduction The main causes of secondary male infertility are varicocele and aging. It is rarely caused by adult‐onset hypopituitarism. The onset of hypopituitarism is often due to brain tumors, trauma, surgery, or congenital disorders. Case presentation A 29‐year‐old man was admitted to the hospital with complaints of decreased libido and semen ...
Masatoshi Konishi +8 more
wiley +1 more source