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Pituitary disease

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https://www.readbyqxmd.com/read/28343139/oxytocin-in-corticosterone-induced-chronic-stress-model-focus-on-adrenal-gland-function
#1
Dušanka Stanić, Bosiljka Plećaš-Solarović, Duško Mirković, Predrag Jovanović, Slađana Dronjak, Bojan Marković, Tea Đorđević, Svetlana Ignjatović, Vesna Pešić
Chronic stress conditions can lead to considerable and extensible changes in physiological and psychological performances, and in emergence of risk for various somatic diseases. On the other hand, the neuropeptide oxytocin is reported to increase the resistance of the organism to stress and modulate activity of autonomic nervous system. Chronic corticosterone administration is used as a rat model for a state observed in terms of chronic stress exposure, when negative feedback mechanism of hypothalamus-pituitary-adrenal axis activity is disrupted...
March 10, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28341329/body-mass-index-and-insulin-like-growth-factor-1-as-risk-factors-for-discordant-growth-hormone-and-insulin-like-growth-factor-1%C3%A2-levels-following-pituitary-surgery-in-acromegaly
#2
Shuo Zhang, Yilin Li, Xiaopeng Guo, Lu Gao, Wei Lian, Yong Yao, Ming Feng, Xinjie Bao, Renzhi Wang, Bing Xing
BACKGROUND: Growth hormone (GH)-secreting pituitary adenoma is a chronic disease characterized by excess levels of GH and insulin-like growth factor 1 (IGF-1). Based on our clinical experience and observations, we identified discordant GH and IGF-1 levels after surgery. The risk factors for this phenomenon are unclear, and individualized cure, control criteria, and management after surgery should be considered. PURPOSE: This study aims to investigate the factors affecting the discordant GH and IGF-1 levels after pituitary surgery in acromegalic patients...
March 21, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28335807/time-dependent-association-of-glucocorticoids-with-adverse-outcome-in-community-acquired-pneumonia-a-6-year-prospective-cohort-study
#3
Manuela Nickler, Manuel Ottiger, Christian Steuer, Alexander Kutz, Mirjam Christ-Crain, Werner Zimmerli, Robert Thomann, Claus Hoess, Christoph Henzen, Luca Bernasconi, Andreas Huber, Beat Mueller, Philipp Schuetz
BACKGROUND: The hypothalamic-pituitary-adrenal stress axis plays a crucial role in community-acquired pneumonia (CAP), with high cortisol being associated with disease severity and corticosteroid treatment resulting in earlier time to recovery. Our aim in the present study was to compare different glucocorticoid hormones, including cortisol, 11-deoxycortisol, cortisone, and corticosterone, regarding their association with short- and long-term adverse outcomes in a well-defined CAP cohort...
March 24, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28335564/passage-through-the-ocular-barriers-and-beneficial-effects-in-retinal-ischemia-of-topical-application-of-pacap1-38-in-rodents
#4
Dora Werling, William A Banks, Therese S Salameh, Timea Kvarik, Laszlo Akos Kovacs, Alexandra Vaczy, Edina Szabo, Flora Mayer, Rita Varga, Andrea Tamas, Gabor Toth, Zsolt Biro, Tamas Atlasz, Dora Reglodi
The neuropeptide pituitary adenylate cyclase activating polypeptide (PACAP) has two active forms, PACAP1-27 and PACAP1-38. Among the well-established actions are PACAP's neurotrophic and neuroprotective effects, which have also been proven in models of different retinopathies. The route of delivery is usually intravitreal in studies proving PACAP's retinoprotective effects. Recently, we have shown that PACAP1-27 delivered as eye drops in benzalkonium-chloride was able to cross the ocular barriers and exert retinoprotection in ischemia...
March 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28332874/long-term-outcome-of-the-different-treatment-alternatives-for-recurrent-and-persistent-cushing-s-disease
#5
Ana Laura Espinosa-de-Los-Monteros, Ernesto Sosa-Eroza, Etual Espinosa, Victoria Mendoza, Rocio Arreola, Moises Mercado
BACKGROUND: Treatment alternatives for persistent and recurrent Cushing's disease (CD) include pituitary surgical reintervention, radiotherapy, pharmacotherapy and bilateral adrenalectomy (BA). The decision of which of these alternatives is better suited for the individual patient rests on clinical judgment and the availability of resources. OBJECTIVE: To evaluate the long-term efficacy of the different secondary interventions for persistent and recurrent Cushing's disease...
March 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28329921/neuroendocrine-tumors-in-the-stomach-duodenum-and-pancreas-accompanied-by-novel-men1-gene-mutation
#6
Min A Yang, Woong Ki Lee, Hong Shik Shin, Sung Hyun Park, Byung Sun Kim, Ji Woong Kim, Jin Woong Cho, So Hee Yun
Multiple endocrine neoplasia type 1 (MEN1) syndrome is a relatively rare disease, characterized by the occurrence of multiple endocrine tumors in the parathyroid and pituitary glands as well as the pancreas. Here, we report a case of MEN1 with neuroendocrine tumors (NETs) in the stomach, duodenum, and pancreas. A 53-year-old man visited our hospital to manage gastric NET. Five years prior to his visit, he had undergone surgery for incidental meningioma. His brother had pancreatic nodules and a history of surgery for adrenal adenoma...
March 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28329436/prospective-evaluation-of-a-week-one-overnight-metyrapone-test-with-subsequent-dynamic-assessments-of-hypothalamic-pituitary-adrenal-axis-function-after-pituitary-surgery
#7
Katherine English, Warrick J Inder, Zara Weedon, Goce Dimeski, Jane Sorbello, Anthony W Russell, Emma L Duncan, Ross Cuneo
OBJECTIVE: To determine if an overnight metyrapone test (OMT) within the first week post pituitary surgery can definitively assess the hypothalamic-pituitary-adrenal (HPA) axis, compared with subsequent dynamic tests and glucocorticoid requirement at 6 months. DESIGN: Prospective study measuring morning cortisol levels on day 3 and 4 post-operatively, OMT day 5-7 and week 6, 250μg short Synacthen test (SST) week 6 and insulin tolerance test (ITT) week 7. PATIENTS AND MEASUREMENTS: Forty participants who underwent pituitary surgery at a single centre (Cushing's disease excluded) and were followed for at least 6 months...
March 22, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28326739/a-case-of-pituitary-stalk-interruption-syndrome-with-intermittent-seizures-as-the-first-presentation
#8
Juan Li, Hongwei Jia, Anindita Chakraborty, Zhihong Gao
Pituitary stalk interruption syndrome (PSIS) is a congenital disease with isolated growth hormone deficiency (GHD) or multiple anterior pituitary hormone deficiencies (MPHD). The typical clinical manifestations of PSIS are growth retardation, hypoglycemia or delayed pubertal development. However, few reports showed cases of PSIS were diagnosed with acute epileptic seizures accompanied by hyponatremia. Here, we report an 18-year-old female presenting with episodes of intermittent seizures for 13 years. The electrolyte examination on many occasions has shown hyponatremia, even as low as 99...
December 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28325825/very-long-term-sequelae-of-craniopharyngioma
#9
Mark Wijnen, Marry M van den Heuvel-Eibrink, Joseph A M J L Janssen, Coriene E Catsman-Berrevoets, Erna M C Michiels, Marie-Lise C van Veelen-Vincent, Alof H G Dallenga, Jan H van den Berge, Carolien M van Rij, A J Van der Lely, Sebastian J C M M Neggers
OBJECTIVE: Studies investigating long-term health conditions in patients with craniopharyngioma are limited by short follow-up durations and do generally not compare long-term health effects according to initial craniopharyngioma treatment approach. In addition, studies comparing long-term health conditions between patients with childhood- and adult-onset craniopharyngioma report conflicting results. The objective of this study was to analyse a full spectrum of long-term health effects in patients with craniopharyngioma according to initial treatment approach and age group at craniopharyngioma presentation...
March 21, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28321600/post-6-ohda-lesion-exposure-to-stress-affects-neurotrophic-factor-expression-and-aggravates-motor-impairment
#10
Phumzile Nomfundo Ngema, Musa Vuyisile Mabandla
Chronic exposure to stress amplifies locomotor deficits and exacerbates dopamine neuron loss in an animal model for Parkinson's disease. The release of neurotrophic factors such as glial cell-line derived neurotrophic factor (GDNF) and neurotrophin-3 (NT-3) following neuronal injury attenuates exacerbated degeneration of these neurons. In this study, the neurotoxin 6-hydroxydopamine (6-OHDA) was injected unilaterally into the medial forebrain bundle of male Sprague Dawley rats. A subset of these rats was subjected to post-lesion restraint stress after which the effect of exposure to stress on locomotor activity (forelimb akinesia test), neurotrophic factor (GDNF and NT-3) and corticosterone concentration was assessed...
March 20, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28321371/anatomic-variations-in-pituitary-endocrinopathies-implications-for-the-surgical-corridor
#11
Edward C Kuan, Frederick Yoo, Won Kim, Karam W Badran, Thomas E Heineman, Ali R Sepahdari, Marvin Bergsneider, Marilene B Wang
Objectives/Hypotheses Functioning pituitary adenomas may produce endocrinopathies such as acromegaly and Cushing syndrome. Both conditions lead to characteristic anatomic variations as a result of hormonally induced abnormal soft tissue deposition. We evaluate the anatomic differences between acromegalics and Cushing disease patients and compare these dimensions to controls. Design Radiographic review of preoperative magnetic resonance images (MRI) of the pituitary gland. Setting Tertiary academic medical center...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28321344/pituitary-adenoma-and-hyperprolactinemia-accompanied-by-idiopathic-granulomatous-mastitis
#12
Sebahattin Destek, Vahit Onur Gul, Serkan Ahioglu, Kursat Rahmi Serin
Idiopathic granulomatous mastitis (IGM) is a rare chronic inflammatory disease of the breast, and its etiology remains not fully elucidated. IGM is observed more often in patients with autoimmune disease. Hyperprolactinemia is observed during pregnancy, lactation, and a history of oral contraceptive use. A 39-year-old patient with no history of oral contraceptive use presented with complaints such as redness, pain, and swelling in her left breast. Ultrasound and magnetic resonance imaging (MRI) revealed a suspicious inflamed mass lesion...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28319849/the-association-between-three-major-physiological-stress-systems-and-oxidative-dna-and-lipid-damage
#13
Catherine N Black, Mariska Bot, Dóra Révész, Peter G Scheffer, Brenda Penninx
BACKGROUND: Increased activity of the three major physiological stress systems (immune-inflammatory system, hypothalamic-pituitary-adrenal-axis [HPA-axis], and autonomic nervous system [ANS]) is part of the pathophysiology of various somatic and psychiatric diseases. Oxidative damage is a key mechanism in both ageing and disease. Elucidating the relationship between these stress systems and oxidative damage would contribute to the understanding of the role of physiological stress in disease...
March 6, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28301972/efficacy-of-transsphenoidal-surgery-in-achieving-biochemical-cure-of-growth-hormone-secreting-pituitary-adenomas-among-patients-with-cavernous-sinus-invasion-a-systematic-review-and-meta-analysis
#14
Vanessa Briceno, Hasan A Zaidi, Joanne A Doucette, Kaho B Onomichi, Amer Alreshidi, Rania A Mekary, Timothy R Smith
OBJECTIVES: Growth hormone-secreting pituitary adenomas in adults can result in severe craniofacial disfigurement and potentially fatal medical complications. Surgical resection leading to remission of the disease is dependent on complete surgical resection of the tumor. Lesions that invade the cavernous sinus may not be safely accessible via an endonasal transsphenoidal surgery (TSS), and the rates of biochemical remission of patients with residual disease vary widely in the literature...
March 16, 2017: Neurological Research
https://www.readbyqxmd.com/read/28295636/t-cell-lymphoblastic-lymphoma-leukemia-within-an-adrenocorticotropic-hormone-and-thyroid-stimulating-hormone-positive-pituitary-adenoma-a-cytohistological-correlation-emphasizing-importance-of-intra-operative-squash-smear
#15
Rakesh K Gupta, Ravindra K Saran, Arvind K Srivastava, Anita Jagetia, Lalit Garg, Mehar C Sharma
We present a rare case of primary pituitary T cell lymphoma/leukemia (T-LBL) in association with adrenocorticotropic hormone (ACTH) and thyroid stimulating hormone (TSH) expressing pituitary adenoma in a 55-year-old woman highlighting the importance of intra-operative squash smears examination. The patient presented with complaints of headache, diminution of vision and recent onset altered sensorium. MRI revealed a mass lesion in the sellar-suprasellar region with non-visualization of pituitary gland separately, extending to involve adjacent structures diagnosed as invasive pituitary macroadenoma...
March 13, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28295484/who-2016-classification-changes-and-advancements-in-the-diagnosis-of-miscellaneous-primary-cns-tumours
#16
Felix Sahm, David E Reuss, Caterina Giannini
This short review highlights significant changes and recent findings incorporated to varying extent in the WHO 2016 definition of a variety of tumours, including peripheral nerve sheath tumours, meningiomas, mesenchymal non-meningothelial tumours, melanocytic tumours, lymphomas and histiocytic tumours, germ cell tumours and non-neuroendocrine pituitary tumours. Most notable classification changes include: adding "hybrid nerve sheath tumours" to the spectrum of benign nerve sheath tumours; an updated definition of atypical meningioma (WHO grade II), including cases with brain invasion; recognizing dural solitary fibrous tumour (SFT) and haemangiopericytoma (HPC) as a single tumour entity characterized by NAB2 and STAT6 gene fusions for which the term solitary SFT/HPC was chosen; recognizing that pituitary granular cell tumour, spindle cell oncocytoma, and pituicytoma all share nuclear expression of TTF-1, possibly representing a spectrum of a single nosological entity derived from posterior pituitary glial cells...
March 12, 2017: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/28294570/how-does-obesity-affect-the-endocrine-system-a-narrative-review
#17
REVIEW
M Poddar, Y Chetty, V T Chetty
Obesity is a chronic, relapsing medical condition that results from an imbalance of energy expenditure and consumption. It is a leading cause of preventable illness, disability and premature death. The causes of obesity are multifactorial and include behavioural, socioeconomic, genetic, environmental and psychosocial factors. Rarely are endocrine diseases, e.g., hypothyroidism or Cushing's syndrome, the cause of obesity. What is less understood is how obesity affects the endocrine system. In this review, we will discuss the impact of obesity on multiple endocrine systems, including the hypothalamic-pituitary axis, changes in vitamin D homeostasis, gender steroids and thyroid hormones...
March 15, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/28293926/prenatal-maternal-distress-and-allergic-diseases-in-offspring-review-of-evidence-and-possible-pathways
#18
REVIEW
Dong In Suh, Hyoung Yoon Chang, Eun Lee, Song I Yang, Soo Jong Hong
Recent studies have suggested a close association between prenatal maternal distress and allergic diseases in the offspring. We selected relevant birth-cohort or national registry studies using a keyword search of the PubMed database and summarized current evidence on the impact of prenatal maternal distress on the development of offspring's allergic diseases. Moreover, we postulated possible pathways linking prenatal distress and allergic diseases based on relevant human and animal studies. Both dysregulated hypothalamic-pituitary-adrenal axis and increased oxidative stress may cause structural (altered brain/lung development) and functional (skewed immune development) changes, which may predispose the fetus to developing allergic diseases during childhood...
May 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28291263/circumcision-does-not-alter-long-term-glucocorticoids-accumulation-or-psychological-effects-associated-with-trauma-and-stressor-related-disorders
#19
E Ullmann, J Licinio, A Barthel, K Petrowski, B Oratovski, T Stalder, C Kirschbaum, S R Bornstein
Male infants and boys through early adolescence can undergo circumcision either for the sake of upholding religious traditions or for medical reasons. According to both, Jewish as well as Islamic tenets, circumcision is a religious rite symbolizing the bond with God. The World Health Organization (WHO), the United Nations Council (UNC) as well as the American Academy of Pediatrics (AAP), and the Centers for Disease Control and Prevention (CDC) strongly recommend circumcision to promote hygiene and prevent disease...
March 14, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28291214/-modern-diagnosis-and-postoperative-monitoring-of-acromegaly-patients-at-a-neurosurgical-clinic
#20
L I Astaf'eva, P L Kalinin, B A Kadashev
Acromegaly is a severe disease associated with chronic overproduction of the growth hormone (GH) and insulin-like growth factor-1 (IGF-1), which is caused in most cases by pituitary adenoma. The main causes of mortality in acromegaly are cardiovascular diseases, respiratory diseases, and cancers. At present, the most effective treatment for acromegaly is surgical pituitary adenomectomy. Complete resection of pituitary tumors leads to the normalization of GH and IGF-1 levels, regression of symptoms, and a reduction in the risk of death...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
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