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Thyroid Ultrasound

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https://www.readbyqxmd.com/read/28078879/zenker-diverticulum-in-the-right-side-of-the-neck-resembling-a-thyroid-mass-at-ultrasound
#1
S Alessandrini, I Samperi, F De Cristofaro, E D'Armiento, D Diacinti, A Pernazza, D Bosco, V Ascoli, S Ulisse
Zenker’s diverticulum represents the most common form of pharyngo-oesophageal diverticula usually occurring on the left side of the neck. Due to its anatomical proximity to the thyroid, it can mimic a thyroid mass. Here we describe the case of an asymptomatic 49-year-old man referred to the Thyroid Clinic of the Policlinico Umberto I Hospital-“Sapienza” University of Rome for thyroid sonography due to a family history of autoimmune thyroid disease. The patient’s thyroid blood tests did not reveal any abnormalities...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28077785/the-diagnostic-performance-of-shear-wave-speed-sws-imaging-for-thyroid-nodules-with-elasticity-modulus-and-sws-measurement
#2
Dan Wang, Ya-Ping He, Yi-Feng Zhang, Bo-Ji Liu, Chong-Ke Zhao, Hui-Jun Fu, Qing Wei, Hui-Xiong Xu
To evaluate the diagnostic performance of a new technique of shear wave speed (SWS) imaging for the diagnosis of thyroid nodule with elasticity modulus and SWS measurement. 322 thyroid nodules in 322 patients (216 benign nodules, 106 malignant nodules) were included in this study. All the nodules received conventional ultrasound (US) and SWS imaging (Aplio500, Toshiba Medical Systems, Japan) before fine-needle aspiration (FNA) and/or surgery. The values of E-max and E-mean with elastic modulus (61.27 ± 36...
January 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28073489/cost-comparison-of-initial-lobectomy-versus-fine-needle-aspiration-for-diagnostic-workup-of-thyroid-nodules-in-children
#3
Katherine J Baxter, Heather L Short, Mitali A Thakore, Jeremy G Fisher, David H Rothstein, Kurt F Heiss, Mehul V Raval
BACKGROUND: Though uncommon in children, pediatric thyroid nodules carry a higher risk of malignancy than adult nodules. While fine-needle aspiration (FNA) has been well established as the initial diagnostic test in adults, it has been more slowly adopted in children. The purpose of this study was to examine the comparative cost of FNA versus initial diagnostic lobectomy (DL) in the pediatric patient with an ultrasound-confirmed thyroid nodule. METHODS: A decision tree model was created using an adolescent with an asymptomatic thyroid nodule as the reference case...
December 30, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28073049/iodine-nutritional-status-and-thyroid-effects-of-exposure-to-ethylenebisdithiocarbamates
#4
Emanuela Medda, Ferruccio Santini, Simona De Angelis, Fabrizio Franzellin, Carla Fiumalbi, Andrea Perico, Enzo Gilardi, Maria Teresa Mechi, Alessandro Marsili, Angela Citroni, Adaniele Leandri, Alberto Mantovani, Paolo Vitti, Antonella Olivieri
INTRODUCTION: Italy is still characterized by a mild iodine deficiency and is among the most intensive users of chemical products for agriculture in Europe. The aim of this study was i) to evaluate thyroid effects of exposure to mancozeb, a fungicide widely used in agriculture, in a sample of Italian grapevine workers, and ii) to verify whether the iodine intake may modulate the risk of thyroid disruption due to the mancozeb metabolite ethylenthiourea (ETU). METHODS: One hundred seventy-seven occupationally exposed male workers (29 from Chianti, a mild iodine deficient area, and 148 from Bolzano an iodine sufficient province) and 74 non-occupationally exposed male controls (34 from Chianti and 40 from Bolzano) were enrolled in the study...
January 7, 2017: Environmental Research
https://www.readbyqxmd.com/read/28072483/optimization-of-ultrasound-transducer-positioning-for-endotracheal-tube-placement-confirmation-in-cadaveric-model
#5
Tiffany Lonchena, Sokpoleak So, James Ibinson, Peter Roolf, Steven L Orebaugh
OBJECTIVES: Sonography has been suggested as a possible means of endotracheal tube (ETT) placement confirmation. However, optimum ultrasound transducer placement has not been established. Using a cadaveric model, ETT placement by the sonographic appearance at the thyroid cartilage, cricoid cartilage, and suprasternal notch in the upper airway was assessed to determine which ultrasound transducer placement offered the most optimal images for ETT confirmation in the airway. METHODS: One provider intubated 5 cadavers, with the ultrasound transducer at each of the 3 levels, for a total of 30 intubations per specimen, while 2 providers assigned a visual score of 1 (subtle), 2 (clear), or 3 (pronounced) to each sonogram of the ETT in the airway...
January 10, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28072470/sonographic-dynamic-description-of-the-laryngeal-tract-definition-of-quantitative-measures-to-characterize-vocal-fold-motion-and-estimation-of-their-normal-values
#6
Héloïse Bergeret-Cassagne, Diane S Lazard, Muriel Lefort, Siham Hachi, Laurence Leenhardt, Fabrice Menegaux, Gilles Russ, Christophe Trésallet, Frédérique Frouin
Vocal fold motion was analyzed during free breathing using two-dimensional dynamic ultrasound imaging. Two cadavers were first analyzed to define easily identifiable landmarks. Motion of the laryngeal tract was then analyzed in an axial plane. Left and right arytenoids and thyroid cartilage were defined on images corresponding to abduction and adduction of the laryngeal tract. Associated area measurements were established for 50 healthy subjects. All area indices were significantly larger during abduction than adduction...
January 10, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28071987/a-computer-aided-diagnosis-system-using-artificial-intelligence-for-the-diagnosis-and-characterization-of-thyroid-nodules-on-ultrasound-initial-clinical-assessment
#7
Young Jun Choi, Jung Hwan Baek, Hye Sun Park, Woo Hyun Shim, Tae Yong Kim, YoungKee Shong, Jeong Hyun Lee
Background We describe an initial clinical assessment of a new, commercially available, computer-aided diagnosis (CAD) system using artificial intelligence (AI) for thyroid ultrasound, and evaluate its performance in the diagnosis of malignant thyroid nodules and categorization of nodule characteristics. Methods This prospective study protocol was reviewed and approved by the institutional review board. Patients with thyroid nodules with decisive diagnosis, whether benign or malignant on the basis of cytopathologic or US results, were consecutively enrolled from November 2015 to February 2016...
January 10, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28059636/the-effects-of-adequate-iodine-supply-on-the-incidence-of-iodine-induced-thyroid-disorders-in-slovenia
#8
Vid Bajuk, Katja Zaletel, Edvard Pirnat, Sergej Hojker, Simona Gaberšček
BACKGROUND: We aimed to establish the changes in the incidence and characteristics of iodine-induced hyperthyroidism (II-Hyper) and iodine-induced hypothyroidism (II-Hypo) in the two-year period before and the ten-year period after the increase in mandatory salt iodization from the previous 10 mg of potassium iodide to 25 mg per kg in 1999. Furthermore, we aimed at determining the duration of treatment in II-Hyper patients, since no data regarding severity and treatment of II-Hyper with respect to iodine supply are available...
January 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28053701/primary-thyroid-lymphoma-a-case-report-and-review-of-the-literature
#9
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/28052718/thyroid-nodule-size-at-ultrasound-as-a-predictor-of-malignancy-and-final-pathologic-size
#10
Allison Cavallo, Daniel N Johnson, Michael Geoffrey White, Saaduddin Siddiqui, Tatjana Antic, Melvy Mathew, Raymon H Grogan, Peter Angelos, Edwin L Kaplan, Nicole A Cipriani
BACKGROUND: Thyroid-related mortality has remained constant despite increasing incidence of thyroid carcinoma. Most thyroid nodules are benign, therefore, ultrasound and fine needle aspiration (FNA) are integral in cancer screening. We hypothesize that increased nodule size at ultrasound does not predict malignancy and correlation between nodule size at ultrasound and pathologic exam is good. METHODS: Resected thyroids with preoperative ultrasounds were identified...
January 4, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28041586/thyroid-nodules-%C3%AE-guide-to-assessment-treatment-and-follow-up
#11
REVIEW
Stavroula Α Paschou, Andromachi Vryonidou, Dimitrios G Goulis
Thyroid nodules constitute by far the most common disorder of the endocrine system. Epidemiological studies have indicated that approximately 5% of women and 1% of men resident in iodine-sufficient areas have palpable thyroid nodules. However, by the age of 60 years about 50% of the general population is estimated to have at least one thyroid nodule. Indeed, the reported prevalence of a "thyroid incidentaloma" is up to 70% when neck/carotid artery ultrasound, computed tomography (CT) or magnetic resonance imaging (MRI) is performed for other indications...
February 2017: Maturitas
https://www.readbyqxmd.com/read/28031847/infiltrative-thyrotoxicosis-an-unusual-case-of-diffuse-large-b-cell-lymphoma
#12
Michael T McCarthy, Michael Keyes, James O'Hare, Neville Shine, Rajnish K Gupta
Thyrotoxicosis is most commonly caused by Graves' disease, toxic multinodular goitre, a functioning thyroid adenoma, or thyroiditis. Extrinsic infiltrative conditions affecting the thyroid gland are typically destructive, and associated with thyroid hypofunction. We describe the case of a 61-year-old woman who presented to our hospital with symptoms of thyrotoxicosis, neck swelling and thyroid function tests consistent with hyperthyroidism. An ultrasound revealed a multinodular goitre with retrosternal extension, but CT imaging suggested thyroid gland infiltration, with cervical lymphadenopathy...
November 2016: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28029495/an-algorithm-of-image-heterogeneity-with-contrast-enhanced-ultrasound-in-differential-diagnosis-of-solid-thyroid-nodules
#13
Lifang Jin, Changsong Xu, Xueqian Xie, Fan Li, Xiuhong Lv, Lianfang Du
Enhancement heterogeneity on contrast-enhanced ultrasonography (CEUS) is used to differentiate between benign and malignant thyroid nodules. In this study, we used an algorithm to quantify enhancement heterogeneity of solid thyroid nodules on CEUS. The heterogeneity value (HV) is calculated as standard deviation/mean intensity × 100 (using Adobe Photoshop). The heterogeneity ratio (HR) is calculated as the ratio of the HV of the nodule to that of the surrounding parenchyma. Three phases-ascending, peak and descending phases-were studied...
October 28, 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28028762/screening-for-thyroid-cancer-in-survivors-of-childhood-and-young-adult-cancer-treated-with-neck-radiation
#14
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/28026758/a-compressed-sensing-strategy-for-synthetic-transmit-aperture-ultrasound-imaging
#15
Jing Liu, Qiong He, Jianwen Luo
A novel beamforming technique, named compressed sensing based synthetic transmit aperture (CS-STA) is proposed to speed up the acquisition of ultrasound imaging. This technique consists of three steps. First, the ultrasound transducer transmits randomly apodized plane waves for a number of times and receives the backscattered echoes. Second, the recorded backscattered echoes are used to recover the full channel dataset of synthetic transmit aperture (STA) with a compressed sensing (CS) reconstruction algorithm...
December 23, 2016: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28025932/thyroid-surgery-in-a-resource-limited-setting
#16
Aria Jafari, David Campbell, Bruce H Campbell, Henry Nono Ngoitsi, Titus M Sisenda, Makaya Denge, Benjamin C James, Susan R Cordes
Objective The present study reviews a series of patients who underwent thyroid surgery in Eldoret, Kenya, to demonstrate the feasibility of conducting long-term (>1 year) outcomes research in a resource-limited setting, impact on the quality of life of the recipient population, and inform future humanitarian collaborations. Study Design Case series with chart review. Setting Tertiary public referral hospital in Eldoret, Kenya. Subjects and Methods Twenty-one patients were enrolled during the study period...
December 1, 2016: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28024119/accuracy-of-international-ultrasound-risk-stratification-systems-in-thyroid-lesions-cytologically-classified-as-indeterminate
#17
Pierpaolo Trimboli, Franco Fulciniti, Valentina Zilioli, Luca Ceriani, Luca Giovanella
BACKGROUND: Eminent international societies have published their thyroid ultrasound risk stratification system (US-RSS) to give a friendly tool for thyroidologists. In particular, American Thyroid Association (ATA), American Association Clinical Endocrinologists/American College of Endocrinologists and Associazione Medici Endocrinologi (AACE/ACE/AME), British Thyroid Association (BTA), and Thyroid Imaging Reporting and Data System (TIRADS) are often adopted for clinical practice. The reliability of these US-RSS has not been evaluated in discriminating cancers from benignancy in nodules with indeterminate FNA...
December 26, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28018431/genetic-and-clinical-features-of-medullary-thyroid-carcinoma-the-experience-of-a-single-center-in-costa-rica
#18
Javier Calvo, Gabriel Torrealba, Adriana Sáenz, Carlos Santamaría, Estela Morera, Silvia Alvarado, Yolanda Roa, Michelle González
Background. Activating mutations in the RET gene leads to medullary thyroid carcinoma (MTC). Guidelines encourage performing RET analysis in subjects with hereditary and sporadic disease. Materials and Methods. Design. Observational, case series report study. Patients. Subjects diagnosed with MTC, with a thyroidectomy performed in a single center in Costa Rica between the years 2006 and 2015. Diagnosis and Follow-Up. Pre- and postoperative calcitonin, RET mutation, and neck ultrasound and tomography were obtained...
2016: Journal of Cancer Epidemiology
https://www.readbyqxmd.com/read/28003823/larger-thyroid-volume-and-adequate-iodine-nutrition-in-chinese-schoolchildren-local-normative-reference-values-compared-with-who-ign
#19
Zhe Mo, Xiaoming Lou, Guangming Mao, Zhifang Wang, Wenming Zhu, Zhijian Chen, Xiaofeng Wang
Objective. Thyroid volume measured by ultrasound to define goiter needs reliable local thyroid volume reference from iodine-sufficient populations. The aim of this study is to explore the reference interval for normal thyroid volume in schoolchildren aged 8-10 years from Zhejiang Province, China. Methods. A probability-proportionate-to-size sampling method was applied to select a representative sample of 1213 children aged 8-10 years in Zhejiang Province to detect the thyroid volume, salt iodine, and urine iodine...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28002806/quality-measurement-on-shear-wave-speed-imaging-diagnostic-value-in-differentiation-of-thyroid-malignancy-and-the-associated-factors
#20
Bo-Ji Liu, Chong-Ke Zhao, Hui-Xiong Xu, Yi-Feng Zhang, Jun-Mei Xu, Dan-Dan Li, Xiao-Wan Bo, Xiao-Long Li
To evaluate the associated factors for quality measurement (QM) on shear wave speed (SWS) imaging and the additional value of QM for differentiation of thyroid nodules. A consecutive series of 238 patients with 254 thyroid nodules were enrolled. They were all evaluated by conventional ultrasound and SWS imaging and were finally proven pathologically. QM was used to assess whether SWS propagation was authentic and was classified as high QM and Low QM. Twelve variables were analyzed to evaluate the associated factors for QM using binary logistic regression...
December 16, 2016: Oncotarget
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