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Cristiana Cipriani, Alice Abraham, Barbara C Silva, Natalie E Cusano, Mishaela R Rubin, Donald J McMahon, Chengchen Zhang, Didier Hans, Shonni J Silverberg, John P Bilezikian
Restoration of the euparathyroid state is associated with improvement of bone dynamics both in hypoparathyroidism and primary hyperparathyroidism. To date, no study has directly compared these two groups following correction of parathyroid hormone excess or deficiency. The study was designed to investigate changes in bone mineral density and trabecular bone score with restoration of the euparathyroid state by parathyroidectomy in primary hyperparathyroidism or recombinant parathyroid hormone [rhPTH(1-84)] replacement in hypoparathyroidism...
October 18, 2016: Endocrine
Alfredo Campennì, Salvatore Giovinazzo, Salvatore Antonio Pignata, Francesca Di Mauro, Domenico Santoro, Lorenzo Curtò, Francesco Trimarchi, Rosaria Maddalena Ruggeri, Sergio Baldari
Parathyroid carcinoma is a rare malignancy, which usually occurs as a sporadic disease, and less frequently in the setting of genetic syndromes. Despite the association of parathyroid and thyroid disorders being quite common, the coexistence of parathyroid carcinoma and thyroid disease is rare. We reviewed the pertinent literature. The terms "parathyroid carcinoma" and "thyroid disease, hyperthyroidism, thyrotoxicosis, hypothyroidism, thyroid nodule(s), Graves' disease, autonomously functioning thyroid nodules" were used both separately and in reciprocal conjunction to search MEDLINE for articles published from January 2007 to March 2016...
October 15, 2016: Endocrine
Muyesser Sayki Arslan, Esra Tutal, Mustafa Sahin, Melia Karakose, Bekir Ucan, Gulfer Ozturk, Erman Cakal, Zeynep Biyikli Gencturk, Mustafa Ozbek, Tuncay Delibasi
Osteoprotegerin has been shown to be increased in cardiovascular disorders and type 2 diabetes mellitus. Prediabetes represents a high risk condition for diabetes and diabetic complications. Therefore, we aimed to find the relationship between prediabetes and osteoprotegerin with nuclear factor-B ligand, carotid intima media thickness, and metabolic markers. A total of 54 participants with prediabetes including impaired fasting glucose (n = 21), impaired glucose tolerance (n = 8), impaired fasting glucose and impaired glucose tolerance (n = 25), and 60 healthy individuals as a control were admitted to the study...
October 15, 2016: Endocrine
Monica Jain, David L Krasne, Frederick R Singer, Armando E Giuliano
Parathyromatosis is a rare condition consisting of multiple nodules of benign hyperfunctioning parathyroid tissue scattered throughout the neck and superior mediastinum. As a potential cause of recurrent or persistent hyperparathyroidism, parathyromatosis is a challenging condition to diagnose and treat. The optimal evaluation and management of patients with parathyromatosis is not well established. The reported case involves a patient who was initially diagnosed with primary hyperparathyroidism. The diagnosis of Type 1 parathyromatosis was made after the patient developed recurrent hyperparathyroidism with hypercalcemia and osteoporosis 17 years after the initial operation and underwent two additional operations...
October 14, 2016: Endocrine
Robert Romano, Chen-Pang Soong, Madison Rose, Jessica Costa-Guda, Justin Bellizzi, Andrew Arnold
No abstract text is available yet for this article.
October 14, 2016: Endocrine
Michela Marina, Gian Paolo Ceda, Raffaella Aldigeri, Graziano Ceresini
To evaluate the causes of the first referral to an endocrine visit of patients with thyroid cancer in a mildly iodine-deficient area and to correlate them with prognostic features. We studied 298 consecutive patients (64 M and 234 F) with thyroid cancer. Of these, 281 had differentiated thyroid cancer. The causes of referral were categorized as follows: (Group A) clinical evidence of a neck lump; (Group B) incidental imaging in subjects without known thyroid diseases; (Group C) incidental imaging during a workup of thyroid disorders...
October 14, 2016: Endocrine
Diego Pérez-Sotelo, Arturo Roca-Rivada, María Larrosa-García, Cecilia Castelao, Iván Baamonde, Javier Baltar, Ana Belen Crujeiras, Luisa María Seoane, Felipe F Casanueva, María Pardo
The secretion of the hepatokine alpha-2-Heremans-Schmid glycoprotein/Fetuin A, implicated in pathological processes including systemic insulin resistance, by adipose tissue has been recently described. Thus, we have recently identified its presence in white adipose tissue secretomes by mass spectrometry. However, the secretion pattern and function of adipose-derived alpha-2-Heremans-Schmid glycoprotein are poorly understood. The aim of this study is to evaluate the expression and secretion of total and active phosphorylated alpha-2-Heremans-Schmid glycoprotein by adipose tissue from visceral and subcutaneous localizations in animals at different physiological and nutritional status including anorexia and obesity...
October 14, 2016: Endocrine
Rosario Pivonello, Marlijn Waaijers, Johan M Kros, Claudia Pivonello, Cristina de Angelis, Alessia Cozzolino, Annamaria Colao, Steven W J Lamberts, Leo J Hofland
The dopamine D2 receptor is the main dopamine receptor expressed in the human normal pituitary gland. The aim of the current study was to evaluate dopamine D2 receptor expression in the corticotroph cell populations of the anterior lobe and pars intermedia, as well as posterior lobe of the human normal pituitary gland by immunohistochemistry. Human normal pituitary gland samples obtained from routine autopsies were used for the study. In all cases, histology together with immunostaining for adrenocorticotropic hormone, melanocyte-stimulating hormone, prolactin, and neurofilaments were performed and compared to the immunostaining for D2 receptor...
October 13, 2016: Endocrine
Stergios A Polyzos, Jannis Kountouras, Athanasios D Anastasilakis, Athanasios Papatheodorou, Panagiotis Kokkoris, Evangelos Terpos
No abstract text is available yet for this article.
October 13, 2016: Endocrine
Sina Jasim, Kurt Kennel
No abstract text is available yet for this article.
October 13, 2016: Endocrine
Thang S Han, Elon Correa, Michael E J Lean, David M Lee, Terrence W O'Neill, György Bartfai, Gianni Forti, Aleksander Giwercman, Krzysztof Kula, Neil Pendleton, Margus Punab, Martin K Rutter, Dirk Vanderschueren, Ilpo T Huhtaniemi, Frederick C W Wu, Felipe F Casanueva
Diversity in lifestyles and socioeconomic status among European populations, and recent socio-political and economic changes in transitional countries, may affect changes in adiposity. We aimed to determine whether change in the prevalence of obesity varies between the socio-politically transitional North-East European (Łódź, Poland; Szeged, Hungary; Tartu, Estonia), and the non-transitional Mediterranean (Santiago de Compostela, Spain; Florence, Italy) and North-West European (Leuven, Belgium; Malmö, Sweden; Manchester, UK) cities...
October 13, 2016: Endocrine
Bart L Clarke, Tamara J Vokes, John P Bilezikian, Dolores M Shoback, Hjalmar Lagast, Michael Mannstadt
In hypoparathyroidism, inappropriately low levels of parathyroid hormone lead to unbalanced mineral homeostasis. The objective of this study was to determine the effect of recombinant human parathyroid hormone, rhPTH(1-84), on phosphate and vitamin D metabolite levels in patients with hypoparathyroidism. Following pretreatment optimization of calcium and vitamin D doses, 124 patients in a phase III, 24-week, randomized, double-blind, placebo-controlled study of adults with hypoparathyroidism received subcutaneous injections of placebo or rhPTH(1-84) (50 µg/day, titrated to 75 and then 100 µg/day, to permit reductions in oral calcium and active vitamin D doses while maintaining serum calcium within 2...
October 12, 2016: Endocrine
Chiara Diazzi, Giulia Brigante, Giulia Ferrannini, Anna Ansaloni, Lucia Zirilli, Maria Cristina De Santis, Stefano Zona, Giovanni Guaraldi, Vincenzo Rochira
Biochemical growth hormone deficiency is prevalent among human immunodeficiency virus-infected patients, but if this condition is clinically relevant remains challenging. The aim is to prospectively compare the growth hormone deficiency/insulin-like growth factor-1 status of 71 human immunodeficiency virus-infected patients with impaired growth hormone response to growth hormone releasing hormone + Arginine with that of 65 hypopituitary patients affected by a true growth hormone deficiency secondary to pituitary disease...
October 11, 2016: Endocrine
Natascia Tahani, Gilda Ruga, Simona Granato, Matteo Spaziani, Francesca Panimolle, Antonella Anzuini, Andrea Lenzi, Antonio Francesco Radicioni
Klinefelter syndrome has been associated with thyroid abnormalities, the genesis of which is not yet fully clear. The aim of this study was to evaluate thyroid function in Klinefelter syndrome subjects during the pubertal period. Chemiluminescent microparticle immunoassay was used to analyze Thyroid-Stimulating Hormone, fT3 and fT4 concentration in serum samples from 40 Klinefelter syndrome pubertal boys with classic 47,XXY karyotype and 157 healthy age-matched controls. 13 Klinefelter syndrome patients also underwent Thyrotropin-Releasing Hormone testing to evaluate hypothalamic-pituitary function...
October 11, 2016: Endocrine
Katarzyna Cyganek, Jan Skupien, Barbara Katra, Alicja Hebda-Szydlo, Izabela Janas, Iwona Trznadel-Morawska, Przemysław Witek, Elżbieta Kozek, Maciej T Malecki
Macrosomia risk remains high in type 1 diabetes (T1DM) complicated pregnancies. A linear relationship between macrosomia risk and glycated hemoglobin A1c (HbA1c) was described; however, low range of HbA1c has not been studied. We aimed to identify risk factors and examine the impact of HbA1c on the occurrence of macrosomia in newborns of T1DM women from a cohort with good glycemic control. In this observational retrospective one-center study we analyzed records of 510 consecutive T1DM pregnancies (1998-2012)...
October 11, 2016: Endocrine
Chaoqun Liu, Chunrong Zhong, Xuezhen Zhou, Renjuan Chen, Jiangyue Wu, Weiye Wang, Xiating Li, Huisi Ding, Yanfang Guo, Qin Gao, Xingwen Hu, Guoping Xiong, Xuefeng Yang, Liping Hao, Mei Xiao, Nianhong Yang
Bilirubin concentrations have been recently reported to be negatively associated with type 2 diabetes mellitus. We examined the association between bilirubin concentrations and gestational diabetes mellitus. In a prospective cohort study, 2969 pregnant women were recruited prior to 16 weeks of gestation and were followed up until delivery. The value of bilirubin was tested and oral glucose tolerance test was conducted to screen gestational diabetes mellitus. The relationship between serum bilirubin concentration and gestational weeks was studied by two-piecewise linear regression...
October 11, 2016: Endocrine
István Takács, Béla E Tóth, László Szekeres, Boglárka Szabó, Bence Bakos, Péter Lakatos
The comparative efficacy and safety profiles of selected daily 1000 IU, weekly 7000 IU and monthly 30,000 IU vitamin D 3-not previously investigated-will be evaluated. Here, a prospective, randomized clinical trial, comparing efficacy and safety of a daily single dose of 1000 IU (group A) to a once-weekly 7000 IU dose (group B), or monthly 30,000 IU dose (group C) of vitamin D3. The present study is a controlled, randomized, open-label, multicenter clinical trial, 3  months in duration. Sixty-four adult subjects with vitamin D deficiency (25OHD<20 ng/ml), were included according to the inclusion and exclusion criteria...
October 7, 2016: Endocrine
Mathilde M Bruins Slot-Steenks, Neveen A T Hamdy, Michiel A J van de Sande, Dennis Vriens, Arjen H G Cleven, Natasha M Appelman-Dijkstra
Tumor-induced osteomalacia is a rare acquired metabolic bone disorder characterized by isolated renal phosphate wasting due to abnormal tumor production of fibroblast growth factor 23. We report the case of a 59 year old woman referred to our department with a long history of progressive diffuse muscle weakness and pain, generalized bone pains and multiple insufficiency fractures of heels, ankles and hips due to a hypophosphatemic osteomalacia. A fibroblast growth factor 23-producing phosphaturic mesenchymal tumor localized in the left quadriceps femoris muscle was identified 7 years after onset of symptoms...
October 5, 2016: Endocrine
Andrea M Isidori, Vito Cantisani, Elisa Giannetta, Daniele Diacinti, Emanuele David, Valerio Forte, Daniela Elia, Corrado De Vito, Emilia Sbardella, Daniele Gianfrilli, Francesco Monteleone, Jessica Pepe, Salvatore Minisola, Giorgio Ascenti, Vito D'Andrea, Carlo Catalano, Ferdinando D'Ambrosio
To evaluate the accuracy of ultrasound elastography with Elastoscan(TM) Core Index in the differential diagnosis of parathyroid lesions from ectopic thyroid nodules and lymph nodes. Seventy nine patients with repeatedly high levels of circulating intact parathyroid hormone, normal vitamin D and renal function tests, with an ultrasound scan showing a neck lesion, sharply demarcated from the thyroid lobules, were consecutively enrolled. Ultrasound with and without Color Doppler and ultrasound elastography were performed before histological examination...
October 5, 2016: Endocrine
Da Young Lee, Jae Hwan Jee, Ji Eun Jun, Tae Hyuk Kim, Sang-Man Jin, Kyu Yeon Hur, Sun Wook Kim, Jae Hoon Chung, Moon-Kyu Lee, Jae Hyeon Kim
The objective of this study is to evaluate the predictive values of baseline thyroid-stimulating hormone and the rate of thyroid-stimulating hormone change within the euthyroid state on the development of chronic kidney disease. We conducted a longitudinal study in 17,067 Korean adults with normal thyroid function and no history of thyroid disease. Incident chronic kidney disease was defined as an estimated glomerular filtration rate <60 ml/min/1.73 m(2). The rate of thyroid-stimulating hormone change was determined by subtracting the baseline thyroid-stimulating hormone level from the thyroid-stimulating hormone level measured at the last visit prior to the diagnosis of chronic kidney disease or at the final visit in subjects without chronic kidney disease, divided by the observation period (years)...
October 5, 2016: Endocrine
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