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https://www.readbyqxmd.com/read/28087101/current-management-of-low-risk-differentiated-thyroid-cancer-and-papillary-microcarcinoma
#1
V D Tarasova, R M Tuttle
Each year, the proportion of thyroid cancer patients presenting with low risk disease is increasing. Moreover, the definition of low risk thyroid cancer is expanding and several histological subtypes beyond papillary microcarcinomas are now classified as low risk disease. This shift in the landscape of thyroid cancer presentation is forcing clinicians to critically re-evaluate whether or not traditional management paradigms that were effective in treating intermediate and high risk disease are applicable to these low risk patients...
January 10, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28075425/management-of-fibromyalgia-practical-guides-from-recent-evidence-based-guidelines
#2
Winfried Häuser, Jacob Ablin, Serge Perrot, Mary-Ann Fitzcharles
Fibromyalgia (FM) is a prevalent and costly condition worldwide, affecting approximately 2% of the general population. Recent evidence- and consensus-based guidelines from Canada, Germany, Israel and the European League Against Rheumatism aim to support physicians in achieving a comprehensive diagnostic work-up of patients with chronic widespread pain (CWP) and to assist patients and physicians in shared decision making on treament options. Every patient with CWP requires at the first medical evaluation a complete history, medical examination and some laboratory tests (complete blood count, C-reactive protein, serum calcium, creatine phosphokinase, thyroid stimulating hormone, 25-OH vitamin D) to screen for metabolic or inflammatory causes of CWP...
January 4, 2017: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/28071986/evaluation-of-a-two-year-routine-application-of-molecular-testing-of-thyroid-fine-needle-aspirations-fna-using-a-7-gene-panel-in-a-primary-referral-setting-in-germany
#3
Markus Eszlinger, Katharina Böhme, Maha Ullmann, Fabian Görke, Udo Siebolts, Anna Neumann, Christiane Franzius, Sabine Adam, Thomas Molwitz, Christian Landvogt, Bassam Amro, Anja Hach, Berit Feldmann, Dieter Graf, Antje Wefer, Rainer Niemann, Catharina Bullmann, Günther Klaushenke, Reinhard Santen, Gregor Tönshoff, Velimir Ivancevic, Andreas Kögler, Eberhard Bell, Bernd Lorenz, Gerald Kluge, Christoph Hartenstein, Ilka Ruschenburg, Ralf Paschke
BACKGROUND: Major differences with respect to the diagnostic performance of a "ruling in" approach in the pre-surgical diagnosis of indeterminate thyroid fine needle aspirations (FNAs) have been reported. Therefore, the aim of this prospective multicenter study was to investigate the specific diagnostic impact of mutation testing using a 7-gene-panel in a routine primary referral setting analyzing FNAs from endocrinology and nuclear medicine practices in Germany. METHODS: RNA and DNA was extracted from 564 routine air-dried FNA smears obtained from 64 physicians and cytologically graded by one experienced cytopathologist...
January 10, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28071949/lateral-thyroid-cartilage-thyrotomy-approach-to-an-embedded-paraglottic-fishbone
#4
H T Wong, S Y Tham, K Elangkumaran, Wsj Ng, K J Sia
Fishbones are of particular interest to otolaryngologists. Most fishbones can be removed transorally or via endoscopic guidance. Transcervical neck exploration is occasionally necessary, especially in cases of an embedded foreign body. Computed tomography is the most sensitive and specific imaging modality for identifying embedded fishbones. To our knowledge, this is the first reported case of a laryngeal foreign body embedded in the paraglottic space that was removed using an open approach via a lateral thyroid cartilage window...
January 10, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28070118/effect-of-slug-mediated-down-regulation-of-e-cadherin-on-invasiveness-and-metastasis-of-anaplastic-thyroid-cancer-cells
#5
Li Sheng, Shanjuan Zhang, Hui Xu
BACKGROUND Slug has been found to promote migration and invasion of many cancer cells, including anaplastic thyroid cancer (ATC). Thus, targeting Slug expression could provide new approaches for the treatment of patients with ATC. MATERIAL AND METHODS Small interfering RNA (siRNA) targeting Slug (Slug siRNA) was used to construct clonal derivatives in the metastatic ATC SW1736 cells. Slug cDNA transfection was used to restore the Slug expression in the Slug siRNA-transfected SW1736 cells (Slug siRNA/SW1736)...
10, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28069375/the-thyroid-hormone-nuclear-receptors-and-the-wnt-%C3%AE-catenin-pathway-an-intriguing-liaison
#6
REVIEW
Seham Skah, Joel Uchuya-Castillo, Maria Sirakov, Michelina Plateroti
The thyroid hormones, T3 and T4, control several developmental and homeostatic processes. From a molecular point of view, most of their actions depend on the activity of the thyroid hormone nuclear receptors (TRs), which are T3-modulated transcription factors. Recent studies have not only highlighted that the physiological response induced by T3 within a cell depends on the expression of specific TRs, but also that the functions of TRs are coordinated by and integrated in other signalling pathways. This is particularly the case for the multilevel interactions between TRs and the Wnt signalling pathway...
January 6, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28068873/patterns-of-treatment-failure-in-anaplastic-thyroid-carcinoma
#7
Sarika N Rao, Mark Zafereo, Ramona Dadu, Naifa Busaidy, Kenneth Hess, Gilbert J Cote, Michelle D Williams, William Nassib William, Vlad C Sandulache, Neil D Gross, Brandon Gunn, Charles Lu, Renata Ferrarotto, Stephen Y Lai, Maria Cabanillas
BACKGROUND: Anaplastic thyroid cancer (ATC) is one of the most lethal forms of cancer with a high mortality rate. Current guidelines support surgery for resectable ATC followed by external beam radiation therapy (EBRT) with or without chemotherapy. Treatment for those who are unresectable is palliative. Our goal was to examine first-line therapies as well as the role of genomic profiling in an effort better understand how to approach ATC. METHODS: This is a retrospective study of ATC patients who were seen at our institution from 1/2013 to 10/2015...
January 9, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28065164/plasma-proteome-and-metabolome-characterization-of-an-experimental-human-thyrotoxicosis-model
#8
Maik Pietzner, Beatrice Engelmann, Tim Kacprowski, Janine Golchert, Anna-Luise Dirk, Elke Hammer, K Alexander Iwen, Matthias Nauck, Henri Wallaschofski, Dagmar Führer, Thomas F Münte, Nele Friedrich, Uwe Völker, Georg Homuth, Georg Brabant
BACKGROUND: Determinations of thyrotropin (TSH) and free thyroxine (FT4) represent the gold standard in evaluation of thyroid function. To screen for novel peripheral biomarkers of thyroid function and to characterize FT4-associated physiological signatures in human plasma we used an untargeted OMICS approach in a thyrotoxicosis model. METHODS: A sample of 16 healthy young men were treated with levothyroxine for 8 weeks and plasma was sampled before the intake was started as well as at two points during treatment and after its completion, respectively...
January 9, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28064410/detecting-n-ras-q61r-mutated-thyroid-neoplasias-by-immunohistochemistry
#9
A Crescenzi, F Fulciniti, M Bongiovanni, L Giovanella, Pierpaolo Trimboli
Recently, the immunohistochemistry (IHC) for N-RAS Q61R has been developed and commercialized for clinical practice. Here, we investigated the reliability of IHC to identify N-RAS Q61R mutated thyroid neoplasia. A series of 24 consecutive thyroid lesions undergone surgery following indeterminate cytology were enrolled. Paraffin sections were stained for IHC using the rabbit monoclonal anti-human N-RAS Q61R, clone SP174. N-RAS mutations in codon 61 were also investigated by automated sequencing. At histology, 12 cases of follicular carcinoma, cytologically defined as follicular lesions, 1 papillary cancer, 7 follicular adenomas, and 4 hyperplastic nodules were found...
January 7, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28064353/who-is-a-healthy-subject-consensus-results-on-pivotal-eligibility-criteria-for-clinical-trials
#10
REVIEW
Kerstin Breithaupt-Groegler, Christoph Coch, Martin Coenen, Frank Donath, Katharina Erb-Zohar, Klaus Francke, Karin Goehler, Mario Iovino, Klaus Peter Kammerer, Gerd Mikus, Jens Rengelshausen, Hildegard Sourgens, Reinhard Schinzel, Thomas Sudhop, Georg Wensing
INTRODUCTION/METHODS: A discussion forum was hosted by the German not-for-profit Association for Applied Human Pharmacology (AGAH e.V.) to critically review key eligibility criteria and stopping rules for clinical trials with healthy subjects, enrolling stakeholders from the pharmaceutical industry, contract research organisations, academia, ethics committees and competent authority. RESULTS: Pivotal eligibility criteria were defined for trials with new investigational medicinal products (IMPs) or with clinically established IMPs...
January 7, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28057099/-the-surgery-of-thyrotropin-secreting-pituitary-adenomas-and-the-significance-of-thyroid-stimulating-hormone-level-in-follow-up
#11
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/28053701/primary-thyroid-lymphoma-a-case-report-and-review-of-the-literature
#12
Rita Peixoto, João Correia Pinto, Virgínia Soares, Pedro Koch, António Taveira Gomes
INTRODUCTION: A rapidly enlarging mass of the anterior compartment of the neck with compressive symptoms may represent, among other diagnosis, a neoplasm of the thyroid gland. PRESENTATION OF CASE: We describe the case of a 59-year-old woman referred to the endocrine surgical unit because of compressive cervical symptoms for 3 months. The cervical ultrasound revealed a sub-sternal goiter with heterogeneous echo structure and the fine-needle aspirating cytology was inconclusive...
January 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28048806/su-g-iep4-05-experience-with-a-practical-approach-to-the-release-of-radioactive-patients-from-radiation-safety-isolation
#13
R Wendt, W Erwin, A Fisher, S Jones, S Jimenez, F Wong, A Jessop
PURPOSE: The radioactive patient releases of the nuclear medicine department in a large cancer center were analyzed to compare the estimated doses to others to the regulatory limit and institutional targets and to gauge how onerous the patients' instructions were. METHODS: In-house software that implements the NUREG 1556 approach and further considers fellow travelers, children and pregnant women and members of the public following Siegel, et al., is used to calculate release timing and to provide patients with individualized instructions...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28041636/a-comparative-study-of-the-surgical-outcomes-between-video-assisted-and-open-lateral-neck-dissection-for-papillary-thyroid-carcinoma-with-lateral-neck-lymph-node-metastases
#14
Deguang Zhang, Lei Xie, Gaofei He, Liang Fang, Yuwen Miao, Zhezhe Wang, Li Gao
PURPOSE: Video-assisted lateral neck dissection (VALND) for papillary thyroid carcinoma (PTC) with lateral neck lymph node metastases (LNM) has been described previously, however, the advantages and drawbacks of VALND have not been demonstrated in previous studies. The aim of this study was to compare the surgical outcomes of video-assisted and open lateral neck dissection for PTC with lateral neck LNM. MATERIALS AND METHODS: Between May 2013 and November 2014, 92 consecutive patients with PTC and lateral neck lymph node metastases underwent total thyroidectomy with central compartment neck dissection and unilateral lateral neck dissection...
July 27, 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28039715/identification-of-differential-pathways-in-papillary-thyroid-carcinoma-utilizing-pathway-co-expression-analysis
#15
Wei-Hai Qiu, Gui-Yan Chen, Lu Cui, Ting-Ming Zhang, Feng Wei, Yong Yang
PURPOSE: To identify differential pathways between papillary thyroid carcinoma (PTC) patients and normal controls utilizing a novel method which combined pathway with co-expression network. METHODS: The proposed method included three steps. In the first step, we conducted pretreatments for background pathways and gained representative pathways in PTC. Subsequently, a co-expression network for representative pathways was constructed using empirical Bayes (EB) approach to assign a weight value for each pathway...
November 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28033447/assessment-of-overall-survival-quality-of-life-and-safety-benefits-associated-with-new-cancer-medicines
#16
Sebastian Salas-Vega, Othon Iliopoulos, Elias Mossialos
Importance: There is a dearth of evidence examining the impact of newly licensed cancer medicines on therapy. This information could otherwise support clinical practice, and promote value-based decision-making in the cancer drug market. Objective: To evaluate the comparative therapeutic value of all new cancer medicines approved by the US Food and Drug Administration (FDA) and the European Medicines Agency (EMA) between 2003 and 2013. Design, Setting, and Participants: We used a narrative synthesis approach to systematically synthesize and analyze English, French, and Australian health technology assessments (HTAs) of all new cancer medicines licensed in the United States and Europe between 2003 and 2013...
December 29, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/28028762/screening-for-thyroid-cancer-in-survivors-of-childhood-and-young-adult-cancer-treated-with-neck-radiation
#17
Emily S Tonorezos, Dana Barnea, Chaya S Moskowitz, Joanne F Chou, Charles A Sklar, Elena B Elkin, Richard J Wong, Duan Li, R Michael Tuttle, Deborah Korenstein, Suzanne L Wolden, Kevin C Oeffinger
BACKGROUND: The optimal method of screening for thyroid cancer in survivors of childhood and young adult cancer exposed to neck radiation remains controversial. Outcome data for a physical exam-based screening approach are lacking. METHODS: We conducted a retrospective review of adult survivors of childhood and young adult cancer with a history of neck radiation followed in the Adult Long-Term Follow-Up Clinic at Memorial Sloan Kettering between November 2005 and August 2014...
December 27, 2016: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28025618/ab3-loaded-and-tumor-targeted-unimolecular-micelles-for-medullary-thyroid-cancer-treatment
#18
Renata Jaskula-Sztul, Guojun Chen, Ajitha Dammalapati, April Harrison, Weiping Tang, Shaoqin Gong, Herbert Chen
Medullary thyroid cancer (MTC) is often resistant to standard therapies, emphasizing the need for the development of other treatments. A new histone deacetylase inhibitor, AB3, can effectively inhibit MTC cell proliferation in vitro. However, its poor aqueous solubility and stability, fast clearance, and lack of tumor targeting ability limit its in vivo application. Therefore, multifunctional unimolecular micelles were developed for targeted delivery of AB3 for MTC therapy. The unimolecular micelles exhibited a spherical core-shell structure, uniform size distribution, and excellent stability...
January 7, 2017: Journal of Materials Chemistry. B, Materials for Biology and Medicine
https://www.readbyqxmd.com/read/28025523/development-of-a-uplc-tq-ms-approach-for-the-determination-of-eleven-bioactive-components-in-haizao-yuhu-decoction-plus-minus-haizao-and-gancao-drug-combination-after-oral-administration-in-a-rat-model-of-hypothyroidism
#19
Yingchang Ma, Yang Zhang, Yuanjuan Zhai, Zhenhua Zhu, Ying Pan, Dawei Qian, Shulan Su, Xinsheng Fan, Jinao Duan
Haizao Yuhu Decoction (HYD) has been used for approximately 500 years and is well-known in Traditional Chinese Medicine for its efficacy in the treatment of thyroid-related diseases. In this study, a rapid liquid chromatography-tandem mass spectrometry method was developed for the determination of liquiritin, naringin, hesperidin, peimine, liquiritigenin, glycyrrhizic acid, bergapten, nobiletin, osthole, and glycyrrhetinic acid in rat plasma to investigate the pharmacokinetic profile of different HYD prescriptions in a rat model of hypothyroidism...
December 22, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28024262/levothyroxine-sodium-revisited-a-wholistic-structural-elucidation-approach-of-new-impurities-via-hplc-hrms-ms-on-line-h-d-exchange-nmr-spectroscopy-and-chemical-synthesis
#20
M Ruggenthaler, J Grass, W Schuh, C G Huber, R J Reischl
The structural elucidation of unknown pharmaceutical impurities plays an important role in the quality control of newly developed and well-established active pharmaceutical ingredients (APIs). The United States Pharmacopeia (USP) monograph for the API Levothyroxine Sodium, a synthetic thyroid hormone, features two high pressure liquid chromatography (HPLC) methods using UV-VIS absorption detection to determine organic impurities in the drug substance. The impurity profile of the first USP method ("Procedure 1") has already been extensively studied, however for the second method ("Procedure 2"), which exhibits a significantly different impurity profile, no wholistic structural elucidation of impurities has been performed yet...
December 14, 2016: Journal of Pharmaceutical and Biomedical Analysis
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