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Macroadenoma

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https://www.readbyqxmd.com/read/28099131/turner-syndrome-and-pituitary-adenomas-a-case-report-and-review-of-literature
#1
Tiffany Yeh, Angela Ganan Soto, Jose Bernardo Quintos, Lisa Swartz Topor
BACKGROUND: Turner syndrome (TS) is the most common sex chromosome abnormality in females, typically associated with primary amenorrhea and premature ovarian failure due to gonadal dysgenesis. The association of TS with hypopituitarism is an uncommon finding. The objective of the study was to describe an adolescent with TS with hypergonadotropic hypogonadism and subsequent hypogonadotropic hypogonadism. CASE PRESENTATION: A 16-year-old female with primary amenorrhea was diagnosed with TS based on karyotype 45,XO...
January 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28057099/-the-surgery-of-thyrotropin-secreting-pituitary-adenomas-and-the-significance-of-thyroid-stimulating-hormone-level-in-follow-up
#2
Y Y Yang, H Liu, A Hu, Y Zou, B Xing, Y Yao, R Z Wang, W Lian
Objective: To explore the clinical characteristics of thyrotropin-secreting pituitary adenomas and the effect of the transsphenoidal approach of procedure with/without drug treatment for thyrotropin-secreting pituitary adenomas, and to investigate the correlation between the prognosis of thyrotropin-secreting pituitary adenomas and the postoperative level of thyroid stimulating hormone (TSH). Methods: A total of 45 patients with thyrotropin-secreting pituitary adenoma who hospitalized in Peking Union Medical College Hospital from 2000 to 2015 were enrolled in the study...
December 20, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28050074/isolated-fourth-cranial-nerve-palsy-due-to-pituitary-macroadenoma
#3
J Muthukrishnan, Khushboo Bharadwaj, Yashpal Singh
No abstract text is available yet for this article.
December 2016: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28049632/paleogenetic-study-of-ancient-dna-suggestive-of-x-linked-acrogigantism
#4
Albert Beckers, Daniel Fernandes, Frederic Fina, Mario Novak, Angelo Abati, Liliya Rostomyan, Albert Thiry, L'Houcine Ouafik, Bertrand Pasture, Ron Pinhasi, Adrian F Daly
Extract: Dear Editor, Pituitary gigantism is caused by chronic growth hormone (GH) hypersecretion by a pituitary lesion before epiphyseal fusion. Genetic causes have been identified in nearly 50% of patients with pituitary gigantism, with germline mutations in the AIP gene being the most frequent cause (Rostomyan et al. 2015). Recently, a new form of pituitary gigantism, X-linked acrogigantism (X-LAG), was described (Trivellin et al. 2014). X-LAG is due to chromosome Xq26.3 duplication and GPR101 is the disease-associated gene (Trivellin et al...
January 3, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28003168/endoscopic-endonasal-surgery-for-remission-of-cushing-disease-caused-by-ectopic-intracavernous-macroadenoma-case-report-and-literature-review
#5
Maria Koutourousiou, Welby I Winstead
BACKGROUND: Complete surgical resection of an adrenocorticotropic hormone (ACTH)-secreting pituitary adenoma is the gold standard of treatment of Cushing disease. Ectopic location of these adenomas is an extremely rare condition that may compromise the diagnosis and surgical success. We present the first case of an ectopic intracavernous ACTH-secreting macroadenoma totally resected with endoscopic endonasal surgery (EES). CASE DESCRIPTION: A 36-year-old woman presented with Cushing syndrome...
December 18, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28002537/cerebral-arteriopathy-with-subcortical-infarcts-and-leukoencephalopathy-in-acromegalic-patient-with-severe-headache
#6
LuminiŢa Nicoleta Cima, Simona Vasilica Fica, Alice Ioana Albu, Ioana Maria Lambrescu, Ioana SmărăndiŢa Lăcău, Bogdan Ovidiu Popescu, Mihaela Gherghiceanu, Corin Virgil Badiu, Carmen Gabriela Barbu
A 68-year-old female patient was admitted in our clinic with severe frontal bilateral headache, dizziness, depression and cognitive decline in the context of a previously diagnosed acromegaly. She also had high blood pressure, dyslipidemia, secondary diabetes mellitus. Acromegaly was caused by a growth hormone (GH) secreting-pituitary macroadenoma, so a transsphenoidal surgery was performed. The postoperative magnetic resonance imaging (MRI) scan revealed a 20÷22÷25 mm pituitary mass remnant and medical therapy with somatostatin analogues (SSAs) was started...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27956252/clinical-features-management-considerations-and-outcomes-in-a-case-series-of-patients-with-parasellar-intracranial-aneurysms-undergoing-anterior-skull-base-surgery
#7
Daniel M Raper, Dale Ding, Elizabeth Evans, Robert M Starke, R Webster Crowley, Kenneth C Liu, Edward H Oldfield, John A Jane
BACKGROUND: The co-incidence of parasellar aneurysms (IA) and anterior skull base (ASB) lesions, while rare, presents a management challenge. IAs embedded within, or adjacent to, ASB lesions are at risk in the perioperative period, and may have unique presentations, natural histories, and outcomes. The objective of this study was to outline management options and nuances in patients with coexisting IAs and ASB lesions. METHODS: We retrospectively evaluated all patients who presented for management of IAs and ASB lesions from January 2006 to January 2014...
December 9, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27910710/management-of-a-pregnant-woman-with-thyrotropinoma-a-case-report-and-review-of-the-literature
#8
Carolina M Perdomo, Jorge A Árabe, Miguel Á Idoate, Juan C Galofré
INTRODUCTION: Pituitary disorders during pregnancy are uncommon. The approach should include a close follow-up in order to reduce maternal and fetal risks associated with physiological changes during pregnancy or treatment side effects. MATERIALS AND METHODS: We report a 21-year-old woman with a thyroid-stimulating hormone-secreting pituitary macroadenoma and positive antithyroid antibodies. She was initially treated using transsphenoidal pituitary surgery. The patient relapsed 17-month post-surgery...
December 2, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27908263/prevalence-and-predictors-of-overweight-and-obesity-in-patients-with-pituitary-dysfunctions
#9
Birgit Harbeck, Sven Danneberg, Amir Hossein Rahvar, Heiner Mönig, Christian Stefan Haas
BACKGROUND: Patients with hypothalamic-pituitary disorders (HPD) may be of increased risk to develop overweight and obesity, thereby fostering cardiovascular events. However, it remains unclear if patients with pituitary dysfunctions per se have an increased risk of becoming obese. OBJECTIVE: The objective of this study was to evaluate prevalence and to identify possible predictors of overweight and obesity in patients with pituitary dysfunctions. METHODS: A total of 121 out-patients having various causes for HPD were assessed for height and body weight; body mass index (BMI) was calculated and correlated with clinical features...
November 30, 2016: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/27908214/pregnancy-and-tumor-outcomes-in-infertile-women-with-macroprolactinoma-on-cabergoline-therapy
#10
Ashu Rastogi, Sanjay K Bhadada, Anil Bhansali
Hyperprolactinemia and prolactinomas cause infertility in significant number of women. But, pregnancy may lead to post-partum remission of hyperprolactinemia. The data on pregnancy and tumor outcome in women with macroprolactinoma conceiving on Cabergoline (CAB) therapy is increasing but still less than with Bromocriptine. We studied the incidence of fetal malformations, hyperprolactinemia and tumor course after gestation in infertile women harboring macroprolactinoma, who conceived on CAB therapy during the year 2005-2015...
December 2, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27900232/vanishing-pituitary-macroadenoma-a-case-report
#11
Emily P Sieg, Hayk Stepanyan, Russell Payne, Tao Ouyang, Brad E Zacharia
Pituitary macroadenomas are the most common suprasellar lesions in adults and are typically managed surgically through transsphenoidal resection when symptomatic. Due to their close proximity to the optic chiasm, pituitary macroadenomas often present with signs of bitemporal hemianopsia. Alternatively, these tumors can cause mass effect, thus presenting with signs of elevated intracranial pressure or can present with signs and symptoms of endocrine dysfunction. Here, we discuss a 55-year-old male diagnosed with a non-functioning pituitary macroadenoma (NFPA) based on cranial imaging, ophthalmologic exam, and endocrine evaluation...
October 20, 2016: Curēus
https://www.readbyqxmd.com/read/27894339/the-identification-of-human-pituitary-adenoma-initiating-cells
#12
Branavan Manoranjan, Sujeivan Mahendram, Saleh A Almenawer, Chitra Venugopal, Nicole McFarlane, Robin Hallett, Thusyanth Vijayakumar, Almunder Algird, Naresh K Murty, Doron D Sommer, John P Provias, Kesava Reddy, Sheila K Singh
Classified as benign central nervous system (CNS) tumors, pituitary adenomas account for 10% of diagnosed intracranial neoplasms. Although surgery is often curative, patients with invasive macroadenomas continue to experience significant morbidity and are prone to tumor recurrence. Given the identification of human brain tumor-initiating cells (TICs) that initiate and maintain tumor growth while promoting disease progression and relapse in multiple CNS tumors, we investigated whether TICs also drive the growth of human pituitary adenomas...
November 28, 2016: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/27876186/randomized-trial-for-superiority-of-high-field-strength-intra-operative-magnetic-resonance-imaging-guided-resection-in-pituitary-surgery
#13
Vivek Tandon, Amol Raheja, Ashish Suri, P Sarat Chandra, Shashank S Kale, Rajinder Kumar, Ajay Garg, Mani Kalaivani, Ravindra M Pandey, Bhawani S Sharma
Till date there are no randomized trials to suggest the superiority of intra-operative magnetic resonance imaging (IOMRI) guided trans-sphenoidal pituitary resection over two dimensional fluoroscopic (2D-F) guided resections. We conducted this trial to establish the superiority of IOMRI in pituitary surgery. Primary objective was to compare extent of tumor resection between the two study arms. It was a prospective, randomized, outcome assessor and statistician blinded, two arm (A: IOMRI, n=25 and B: 2D-F, n=25), parallel group clinical trial...
November 18, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27874199/glucose-and-lipid-levels-with-lanreotide-autogel-120-mg-in-treatment-na%C3%A3-ve-patients-with-acromegaly-data-from-the-primarys-study
#14
Philippe J Caron, Stephan Petersenn, Aude Houchard, Caroline Sert, John S Bevan
OBJECTIVE: Impaired glycaemic control, characteristic of acromegaly, can be exacerbated by treatment with somatostatin analogues (SSAs), particularly those with multireceptor activity. We present data from the PRIMARYS study on the impact of the SSA lanreotide, associated with tumour volume and hormonal improvements, on glucose and other metabolic parameters in acromegaly. DESIGN: PRIMARYS was a 48-week open-label single-arm phase 3b study of lanreotide autogel 120 mg/4 weeks...
November 22, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27873156/erratum-to-predictive-role-of-dynamic-contrast-enhanced-t1-weighted-mr-sequences-in-pre-surgical-evaluation-of-macroadenomas-consistency
#15
Andrea Romano, Valeria Coppola, Mariangela Lombardi, Luigi Lavorato, Domenica Di Stefano, Emanuela Caroli, Maria Camilla Rossi Espagnet, Francesca Tavanti, Giuseppe Minniti, Giuseppe Trillò, Alessandro Bozzao
No abstract text is available yet for this article.
November 21, 2016: Pituitary
https://www.readbyqxmd.com/read/27872697/co-occurrence-of-pituitary-adenoma-with-suprasellar-and-olfactory-groove-meningiomas
#16
Kai-Zheong Lim, Tony Goldschlager, Ronil V Chandra, Jonathan Hall, Brent Uren, Michael Pullar
INTRODUCTION: The co-existence of pituitary adenoma and meningioma is extremely rare. It is even rarer in patients with no previous known risk factors for either tumour. Here, we present a case of synchronous non-functioning pituitary adenoma with suprasellar and olfactory groove meningiomas in a patient without previous irradiation. METHODS: The tumours were diagnosed on MRI in the 65-year-old patient who presented with patchy visual deficits. The decision was made to undergo surgery for resection of the suprasellar meningioma and the pituitary adenoma, leaving the small olfactory groove meningioma intact...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27863775/operation-for-insulinomas-in-multiple-endocrine-neoplasia-type-1-when-pancreatoduodenectomy-is-appropriate
#17
Francesco Tonelli, Francesco Giudici, Gabriella Nesi, Giacomo Batignani, Maria Luisa Brandi
BACKGROUND: Distal pancreatectomy is the most frequent operation for insulinomas complicating multiple endocrine neoplasia type 1 insulinoma, although there are conditions for which a different operative approach might be preferable. In this article, we report the operative experience of a referral center for multiple endocrine neoplasia type 1 insulinoma. METHODS: Twelve patients underwent operations between 1992 and 2015: 8 underwent a distal pancreatic resection, and 4 underwent a pancreatoduodenectomy...
November 15, 2016: Surgery
https://www.readbyqxmd.com/read/27859437/characteristics-and-outcome-of-surgically-treated-pituitary-tumours-in-south-africa-a-single-centre-experience
#18
Khaled K Elmezughi, Fraser J Pirie, Ayesha A Motala
AIMS: To describe the clinical, biochemical, radiological and histological features and to determine the outcome of all patients with pituitary tumours treated surgically at Inkosi Albert Luthuli Central Hospital (ILACH) in Durban over a 5-year period. RESEARCH DESIGN: Retrospective chart review from 2008 to 2012. Clinical, biochemical and radiological data were collected before and 1 year after surgery. Histopathology findings and perioperative complications were recorded...
November 12, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27855233/a-macroprolactinoma-becoming-resistant-to-cabergoline-and-developing-atypical-pathology
#19
Emilia Sbardella, George Farah, Ahmed Fathelrahman, Simon Cudlip, Olaf Ansorge, Niki Karavitaki, Ashley B Grossman
: Pituitary adenomas are a common intracranial neoplasm, usually demonstrating a benign phenotype. They can be classified according to pathological, radiological or clinical behaviour as typical, atypical or carcinomas, invasive or noninvasive, and aggressive or nonaggressive. Prolactinomas account for 40-60% of all pituitary adenomas, with dopamine agonists representing the first-line treatment and surgery/radiotherapy reserved for drug intolerance/resistance or in neuro-ophthalmological emergencies...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27848079/cabergoline-and-prolactinomas-lack-of-association-between-drd2-polymorphisms-and-response-to-treatment
#20
Cbf Bueno, E B Trarbach, M D Bronstein, A Glezer
BACKGROUND: About 80% of prolactinomas respond to dopamine agonists (DA) with hormonal normalization and tumor shrinkage. Mechanisms of DA resistance include reduction of dopamine receptor subtype 2 (DRD2) expression, short and long isoform ratio and post-receptor mechanisms. It was suggested that polymorphisms in the gene encoding dopamine receptor subtype 2 gene (DRD2) could be associated with variable effectiveness of cabergoline (CAB). OBJECTIVE: To assess the influence of DRD2 polymorphisms in responsiveness of CAB treatment in patients with prolactinoma...
November 15, 2016: Pituitary
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