Radiological features for the approach in trans-sphenoidal pituitary surgery.

abstract：:Cushing's Syndrome (CS) is associated with an increased mortality, where hypercoagulability seems to have a crucial role in both arterial and venous thrombosis. Parameters of in vitro thrombin generation (TG) such as lag time, peak thrombin and endogenous thrombin potential (ETP), that describe the time until thrombin...

journal_title：Pituitary

authors： Koutroumpi S,Spiezia L,Albiger N,Barbot M,Bon M,Maggiolo S,Gavasso S,Simioni P,Frigo A,Mantero F,Scaroni C

更新日期：2014-02-01 00:00:00

abstract：:Craniopharyngiomas (CP) are partly cystic embryogenic malformations of the sellar and parasellar region. With an overall incidence of 0.5-2.0 new cases/million population/year, approximately 30-50 % of all cases represent childhood CP. Typical manifestations at diagnosis are headache, visual impairment, polyuria/polyd...

journal_title：Pituitary

authors： Müller HL

更新日期：2013-03-01 00:00:00

abstract：:Growth hormone releasing hormone (GHRH) signals via G protein-coupled receptors (GHRH-R) to enhance intracellular Galphas/adenylyl cyclase/cAMP signaling, which in turn has positive effects on GH synthesis and release, as well as proliferation of the GH-producing cells of the anterior pituitary gland. Some GH-producin...

journal_title：Pituitary

authors： Kim E,Sohn S,Lee M,Park C,Jung J,Park S

更新日期：2005-01-01 00:00:00

abstract：PURPOSE:Ectopic pituitary adenomas (EPA) are rare tumors thought to arise from embryological remnants along the route of normal pituitary migration. Clinically, these tumors vary in hormonal activity and can exert mass effect based on location and size. METHODS:We performed a single-center retrospective analysis of pa...

journal_title：Pituitary

authors： Agely A,Okromelidze L,Vilanilam GK,Chaichana KL,Middlebrooks EH,Gupta V

更新日期：2019-08-01 00:00:00

abstract：:We describe two young men with cystic pituitary enlargement on magnetic resonance imaging (MRI) causing hypopituitarism. The first patient presented acutely unwell with headache and vomiting associated with anterior and posterior pituitary dysfunction. The second patient presented with hypopituitarism after a long his...

journal_title：Pituitary

authors： Burt MG,Morey AL,Turner JJ,Pell M,Sheehy JP,Ho KK

更新日期：2003-01-01 00:00:00

abstract：:Adequate ADH secretion, adrenal and thyroid functions are vital during the acute and post-acute phases of TBI. Deficiencies of these functions as a result of TBI are increasingly recognized. During the acute phase of TBI the incidence of severe DI is 2.9%; the incidence of less severe forms of DI is 21.6-26%. The deve...

journal_title：Pituitary

authors： Tsagarakis S,Tzanela M,Dimopoulou I

更新日期：2005-01-01 00:00:00

abstract：INTRODUCTION:There has been growing interest on medical therapy for the management of Cushing's disease (CD), particularly in cases of persistent or recurrent hypercortisolism. Ketoconazole, an inhibitor of adrenal steroidogenesis, is the most widely used drug, whereas cabergoline and pasireotide are the most promising...

journal_title：Pituitary

authors： Vilar L,Naves LA,Machado MC,Bronstein MD

更新日期：2015-04-01 00:00:00

abstract：:The pituitary is the master endocrine gland of the body. It undergoes many changes after birth, and these changes may be mediated by the differentiation of pituitary stem cells. Stem cells in any tissue source must display (1) pluripotent capacity, (2) capacity for indefinite self-renewal, and (3) a lack of specializa...

journal_title：Pituitary

authors： Nassiri F,Cusimano M,Zuccato JA,Mohammed S,Rotondo F,Horvath E,Syro LV,Kovacs K,Lloyd RV

更新日期：2013-09-01 00:00:00

abstract：:Anemia and other hematological abnormalities are common in patients with Sheehan's syndrome. The response of these abnormalities to replacement of thyroxine and glucocorticoids is not clear. The aim of the present study was to document the profile of hematological abnormalities and response to treatment in patients wi...

journal_title：Pituitary

authors： Laway BA,Mir SA,Bashir MI,Bhat JR,Samoon J,Zargar AH

更新日期：2011-03-01 00:00:00

abstract：:Although leptin was originally viewed as an antiobesity hormone, it is now evident that it may have more pleiotropic actions. Experiments in rodents have shown that leptin activates the sympathetic nervous system, is involved in regulation of blood pressure, hematopoiesis, immune function, angiogenesis and brain, bone...

journal_title：Pituitary

authors： Popovic V,Damjanovic S,Dieguez C,Casanueva FF

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND:Xanthogranulomas are inflammatory masses most commonly found at peripheral sites such as the skin. Sellar and parasellar xanthogranulomas are rare and present a diagnostic challenge as they are difficult to differentiate from other sellar lesions such as craniopharyngiomas and Rathke's cleft cysts pre-operat...

journal_title：Pituitary

authors： Ved R,Logier N,Leach P,Davies JS,Hayhurst C

更新日期：2018-06-01 00:00:00

abstract：PURPOSE:Thyrotropin-secreting pituitary adenoma is a rare disorder and was recently classified as an aggressive tumor in the World Health Organization guidelines. The number of available studies on cosecreting thyrotropin/growth hormone pituitary adenoma is especially limited. METHODS:A single-center retrospective ana...

journal_title：Pituitary

authors： Li X,Lynch L,Xing H,Wang Z,Zhu J,Deng K,Wang R,Yao Y,Lian X

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:Recent guidelines suggest that a single prolactin measurement is adequate to confirm hyperprolactinaemia. This may lead to unnecessary investigation of artefactual hyperprolactinaemia. Prolactin measurement drawn from an indwelling cannula after rest removes stress as a confounding variable. The objective was t...

journal_title：Pituitary

authors： Whyte MB,Pramodh S,Srikugan L,Gilbert JA,Miell JP,Sherwood RA,McGregor AM,Aylwin SJ

更新日期：2015-06-01 00:00:00

abstract：:Pituitary cysts are usually craniopharyngiomas or remnants of Rathke's cleft. Histologically craniopharyngiomas are lined by stratified squamous epithelium whereas Rathke's cleft cysts are lined by cuboidal or columnar epithelium. The management of pituitary cysts remains difficult because of the risks associated with...

journal_title：Pituitary

authors： Dashora U,Mathias D,James A,Zammit-Maempel I,Perros P

更新日期：2002-01-01 00:00:00

abstract：:Lactotroph adenomas, also called prolactinomas and prolactin-secreting adenomas, constitute nearly 80% of functioning pituitary tumors and about 30-50% of all adenomas in the clinical practice. Lactotroph adenomas occur in the general population at a prevalence of 45/100,000, are more common in women, but also involve...

journal_title：Pituitary

authors： Lopes MBS

更新日期：2020-02-01 00:00:00

abstract：:Nonfunctioning pituitary adenomas (NFPA) are typically benign neoplasms that can cause significant morbidity through local mass effects. MIB-1/Ki-67 and p53 immuno-reactivity are used to predict aggressive behavior but have known limitations. No marker to date is widely used to reliably predict tumor progression. Phos...

journal_title：Pituitary

authors： Hightower E,Cabanillas ME,Fuller GN,McCutcheon IE,Hess KR,Shah K,Waguespack SG,Corley LJ,Devin JK

更新日期：2012-12-01 00:00:00

abstract：BACKGROUND:Autoimmune hypophysitis (AH) is a rare autoimmune inflammatory disorder of pituitary gland. OBJECTIVE:To analyse clinical, hormonal, radiological features and management outcomes of AH. DESIGN:Retrospective analysis of patients with primary hypophysitis (where secondary causes of hypophysitis were ruled ou...

journal_title：Pituitary

authors： Khare S,Jagtap VS,Budyal SR,Kasaliwal R,Kakade HR,Bukan A,Sankhe S,Lila AR,Bandgar T,Menon PS,Shah NS

更新日期：2015-02-01 00:00:00

abstract：CONTEXT:Octreotide causes significant tumour shrinkage in patients with acromegaly but the exact mechanism of action is unclear in vivo. OBJECTIVE:To determine the mechanism of action of octreotide in vivo using dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI). DESIGN:Five patients with acromegaly were ...

journal_title：Pituitary

authors： Sathyapalan T,Lowry M,Turnbull LW,Rowland-Hill C,Atkin SL

更新日期：2007-01-01 00:00:00

abstract：:Aggressive pituitary adenomas are notoriously difficult to manage due to their size, invasiveness, speed of growth and high frequency of recurrence. Except for prolactinomas, surgery (usually transsphenoidal but sometimes transcranial) is the first-line option, but re-growth of aggressive tumors is almost inevitable a...

journal_title：Pituitary

authors： Buchfelder M

更新日期：2009-01-01 00:00:00

abstract：PURPOSE:Hypophysitis develops in up to 19% of melanoma patients treated with ipilimumab, a cytotoxic T-lymphocyte antigen-4 antibody. Early detection may avert life-threatening hypopituitarism. We aimed to assess the incidence of ipilimumab-induced hypophysitis (IH) at a quaternary melanoma referral centre, and to dete...

journal_title：Pituitary

authors： De Sousa SMC,Sheriff N,Tran CH,Menzies AM,Tsang VHM,Long GV,Tonks KTT

更新日期：2018-06-01 00:00:00

abstract：:The diagnoses of acromegaly and dwarfism require biochemical confirmation of abnormal GH and IGF-1 concentrations. The same parameters are used for therapeutic decisions, i.e. initiation or termination of particular treatments. Therefore, reliable and epidemiologically and statistically proven criteria of normalcy for...

journal_title：Pituitary

authors： Barkan AL

更新日期：2007-01-01 00:00:00

abstract：:Cis-unsaturated free fatty acids (FFA) like oleic acid are strong blockers of both basal and stimulated GH secretion in vivo by acting directly on the somatotroph cell. Several lines of evidence suggest that this inhibitory action is the result of a perturbation of the function of several plasma membrane integral prot...

journal_title：Pituitary

authors： Pérez FR,Camiña JP,Menéndez C,Beiras A,Casabiell X,Casanueva FF

更新日期：1998-04-01 00:00:00

abstract：:A diabetic acromegalic man, not cured after surgery and radiosurgery, received lanreotide i.m. with great clinical and biochemical improvement. He required NPH insulin (76 to 84 units/day) to control his diabetes mellitus. Thirty-six hours after changing to LAR-octreotide (20 mg i.m/month) he presented symptomatic hyp...

journal_title：Pituitary

authors： Webb SM,Ortega E,Rodríguez-Espinosa J,Mato ME,Corcoy R

更新日期：2001-09-01 00:00:00

abstract：OBJECTIVE:Lymphocytic hypophysitis (LH) is a rare chronic inflammatory disorder characterized by lymphocytic infiltration of the pituitary gland commonly affecting women during pregnancy or post-partum period. The pathogenesis remains uncertain, however an autoimmune process is frequently implicated. There is limited d...

journal_title：Pituitary

authors： Lim S,Elston MS,Swarbrick MJ,Conaglen JV

更新日期：2009-01-01 00:00:00

abstract：:Clinically inapparent adrenal masses, or adrenal incidentalomas, are discovered inadvertently in the course of workup or treatment of unrelated disorders. Cortical adenoma is the most frequent type of adrenal incidentaloma accounting for approximately 50% of cases in surgical series and even greater shares in medical ...

journal_title：Pituitary

authors： Terzolo M,Reimondo G,Bovio S,Angeli A

更新日期：2004-01-01 00:00:00

abstract：:Pituitary radiotherapy (RT) is an effective second-line treatment for paediatric Cushing's disease (CD). We report long-term efficacy and anterior pituitary function in a cohort of paediatric CD patients treated with RT. Between 1988 and 2008, from our cohort of 48 paediatric CD patients, eight paediatric CD patients ...

journal_title：Pituitary

authors： Acharya SV,Gopal RA,Goerge J,Menon PS,Bandgar TR,Shah NS

更新日期：2010-12-01 00:00:00

abstract：:The purpose of this study is to verify whether acute pre-treatment with alprazolam (ALP), a benzodiazepine that inhibits HPA secretion in normal subjects, could better characterize patients with subclinical Cushing's syndrome (SCS) than the 1-mg dexamethasone test (DST). In 22 patients with SCS, 10 with overt Cushing'...

journal_title：Pituitary

authors： Giordano R,Berardelli R,Karamouzis I,D'Angelo V,Picu A,Zichi C,Fussotto B,Manzo M,Mengozzi G,Ghigo E,Arvat E

更新日期：2013-09-01 00:00:00

abstract：:Medications commonly cause hyperprolactinemia and their use must be differentiated from pathologic causes. The most common medications to cause hyperprolactinemia are the antipsychotic agents, although some of the newer atypical antipsychotics do not do so. Other medications causing hyperprolactinemia include antidepr...

journal_title：Pituitary

authors： Molitch ME

更新日期：2008-01-01 00:00:00

abstract：:Non-functioning pituitary neuroendocrine tumors do not cause endocrine symptoms related to hypersecretion of adenohypophyseal hormones and are clinically characterized by symptoms due to growing sellar tumor mass. Histopathological classification of this tumor group has always been challenging due to their heterogenei...

journal_title：Pituitary

authors： Manojlovic-Gacic E,Engström BE,Casar-Borota O

更新日期：2018-04-01 00:00:00

abstract：BACKGROUND/PURPOSE:During the early phase of sepsis, hypotension is accompanied by increase of plasma vasopressin hormone (AVP) levels, which decline during the late phase. This hypotension is due in part to increase of nitric oxide (NO) synthesis by nitric oxide synthase (NOS) enzyme. Neuronal isoform of this enzyme (...

journal_title：Pituitary

authors： Coelho CH,Martins TF,Oliveira-Pelegrin GR,da Rocha MJA

更新日期：2017-06-01 00:00:00