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https://www.readbyqxmd.com/read/28214213/the-relationship-between-brafv600e-nf-%C3%AE%C2%BAb-and-tgab-expression-in-papillary-thyroid-carcinoma
#1
Wei Li, Hui Ming, Danyang Sun, Wei Li, Dan Wang, Guizhi Zhang, Jian Tan
PURPOSE: The aim of this study was to investigate the potential link between thyroglobulin antibody (TgAb) titers and papillary thyroid carcinoma (PTC) aggressiveness. MATERIALS AND METHODS: This retrospective study included 122 patients who had undergone total thyroidectomy and neck central area lymph dissection followed by radioactive iodine (RAI) ablation for PTC between July 2012 and July 2014. The parameters included clinical characteristics of PTC, TgAb levels and tumor histopathological characteristics...
January 12, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28207517/a-rare-case-report-of-very-low-thyroglobulin-and-a-negative-whole-body-scan-in-a-patient-with-a-solid-variant-of-papillary-thyroid-carcinoma-with-distant-metastases
#2
Wei Li, Danyang Sun, Hui Ming, Guizhi Zhang, Jian Tan
RATIONALE: The early detection of recurrent differentiated thyroid carcinoma (DTC) cells in postsurgery DTC patients relies on the sensitivity of measuring both the level of thyroglobulin (Tg) and 131-iodine distribution on a whole-body scan (WBS). Recent studies have defined patients who subsequently have no evidence of disease as those who have a stimulated Tg level <1 ng/mL with no other radiological or clinical evidence of disease. PATIENT CONCERNS: A woman patient with solid variant papillary thyroid carcinoma (SVPTC) had undergone twice thyroidectomy with lymph node dissection and radioactive therapy...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28203373/a-silent-skull-metastatic-follicular-thyroid-carcinoma-mimicking-as-a-benign-scalp-tumor-in-a-pregnant-woman
#3
Tsung-Chun Huang, Yu-Kai Cheng, Tsung-Wei Chen, Yung-Chang Hsu, En-Wei Liu, Hsin-Han Chen
: Thyroid cancer with cranial metastasis in a pregnant woman is very rare. In the literature, most cases are diagnosed early from neurogenic signs or symptomatic thyroid gland. Pregnancy also contributes to a hesitation toward early surgical and medical treatments. We reported a scalp tumor in a physically healthy 37-year-old pregnant female with a follicular thyroid carcinoma (FTC) with lung, bone and cranial metastasis in initial presentation. Silent neurogenic and physical examinations make an early diagnosis very challenging...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28194694/thyroid-status-of-iodine-deficient-newborn-infants-living-in-central-region-of-turkey-a-pilot-study
#4
Osman Bastug, Levent Korkmaz, Hulya Halis, Seyma Memur, Sabriye Korkut, Ahmet Ozdemir, Tamer Gunes, Mehmet Adnan Ozturk, Selim Kurtoglu
BACKGROUND: Iodine deficiency (ID) during the fetal and neonatal periods can lead to neonatal hypothyroidism. This study was conducted to evaluate the effect of ID on the thyroid hormone level of newborns living in Turkey. METHODS: Between 1998 and 2013, 71 newborns with a urinary iodine concentration <100 μg/L were recruited into the study. Data on thyroid volume, free triiodothyronine (fT3), free thyroxine (fT4), thyroid stimulating hormone (TSH), and thyroglobulin (Tg) were collected from all newborns, and on breast milk iodine from their mothers...
February 14, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28182063/frontal-bone-metastasis-from-an-occult-follicular-thyroid-carcinoma-diagnosed-by-fnac
#5
Rajnish Kalra, Richa Pawar, Sonia Hasija, Abha Chandna, Manoj Sankla, Chanchal Malhotra
Metastatic deposits in skull bones from follicular thyroid carcinoma is rare, and metastatic disease in skull being the presenting symptom without obvious thyroid lesion (occult primary) is even rarer. A 60-year-old female patient presented with a mass in the frontal region of the skull. Fine needle aspiration cytology was done which revealed an adenocarcinoma with repeated follicular pattern, reminiscent of follicular neoplasm of thyroid, which on immunocytochemistry revealed positivity for thyroglobulin. Patient was investigated further for primary thyroid malignancy, and imaging revealed a nodule in the left lobe of thyroid...
January 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28178685/overwhelming-rapid-metabolic-and-structural-response-to-apatinib-in-radioiodine-refractory-differentiated-thyroid-cancer
#6
Yansong Lin, Chen Wang, Wen Gao, Ruixue Cui, Jun Liang
Currently, patients with radioiodine refractory differentiated thyroid cancer (RAIR-DTC) have limited treatment options. In this study, we aimed to assess the short-term efficacy and safety of apatinib in RAIR-DTC. Ten adult patients were prospectively enrolled to receive oral apatinib (750 mg q.d). The primary endpoints were change in serum thyroglobulin (Tg) concentration, disease control rate (DCR) and objective response rate (ORR) based on RECIST 1.1 criteria. The secondary endpoints included change in glucose metabolism, evaluated by maximum standard uptake value (SUVmax), and safety...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28171732/endolymphatic-sac-tumor-in-two-dogs
#7
K J Barnes, V Clear, K Youmans, M R Hardcastle, N Nelson, A Petersen, M Kiupel
Endolymphatic sac tumors (ELSTs) are rare neoplasms of the inner and middle ear described in humans. Diagnosis of such neoplasms is difficult and largely dependent on a combination of histologic, immunohistochemical, and clinical findings. Although the neoplastic cells lack cellular features of malignancy, these are clinically aggressive tumors that often invade the surrounding temporal bone. Here, we describe 2 dogs with middle ear masses that share morphologic, immunohistochemical, and clinical similarities with human ELSTs...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28171686/the-relationship-between-procalcitonin-and-thyroid-autoantibodies-in-patients-with-autoimmune-thyroiditis
#8
Ali Oncul, Ihsan Ates, Mehmet Fettah Arikan, Nisbet Yilmaz, Canan Topcuoglu, Fatma Meric Yilmaz, Mustafa Altay
BACKGROUND: The aim of this study is to investigate the serum levels of procalcitonin and its association with autoantibodies in patients with euthyroid Hashimoto's thyroiditis. METHODS: A total of 80 participants were included in the study; 40 of which were newly diagnosed with Hashimoto's thyroiditis, aged over 18, and 40 of which were healthy volunteers. The serum levels of procalcitonin were measured by enzyme-linked immunosorbent assay kit. Thyroid function tests were analyzed in hormone laboratory with Electro-chemiluminescence immunoassay...
February 7, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28164629/a-controversial-new-approach-to-address-hematological-parameters-in-hashimoto-s-thyroiditis
#9
Dilek Arpaci, Gonul Gurol, Hasan Ergenc, Hayrullah Yazar, Aysel G Tocoglu, Ihsan H Ciftci, Ali Tamer
BACKGROUND: Hashimoto's thyroiditis (HT) is a common autoimmune disorder. Genetic, environmental, and immunological factors all play a role in the pathogenesis of HT, but the effects of lymphocytes and platelets on the pathophysiology of HT are still unknown. In this study, we evaluated the neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and mean platelet volume (MPV) in HT groups and HT subgroups with low cardiovascular risks. METHODS: This study included 92 patients with HT and 38 control subjects...
July 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28163939/isolated-liver-metastasis-in-h%C3%A3-rthle-cell-thyroid-cancer-treated-with-microwave-ablation
#10
Konstantinos Segkos, Carl Schmidt, Fadi Nabhan
Hürthle cell thyroid cancer (HCTC) is a less common form of differentiated thyroid cancer. It rarely metastasizes to the liver, and when it does, the metastasis is almost never isolated. Here we report a 62-year-old male with widely invasive Hürthle cell thyroid cancer, who underwent total thyroidectomy and received adjuvant treatment with I-131 with posttreatment scan showing no evidence of metastatic disease. His thyroglobulin however continued to rise after that and eventually an isolated liver metastasis was identified...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28153798/thyroid-hormone-biosynthesis-and-release
#11
Denise P Carvalho, Corinne Dupuy
Thyroid hormones (TH) 3,5,3',5'- tetraiodothyronine or thyroxine (T4) and 3,5,3'- triiodothyronine (T3) contain iodine atoms as part of their structure, and their synthesis occur in the unique structures called thyroid follicles. Iodide reaches thyroid cells through the bloodstream that supplies the basolateral plasma membrane of thyrocytes, where it is avidly taken up through the sodium/iodide symporter (NIS). Thyrocytes are also specialized in the secretion of the high molecular weight protein thyroglobulin (TG) in the follicular lumen...
January 31, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28149011/in-house-solid-phase-radioassay-for-the-detection-of-anti-thyroglobulin-autoantibodies-in-patients-with-differentiated-thyroid-cancer
#12
Chandrakala Gholve, J Kumarasamy, Savita Kulkarni, M G R Rajan
Thyroglobulin autoantibodies (TgAb) are estimated to detect potential interferences in thyroglobulin (Tg) immunoassays and also for the diagnosis of autoimmune thyroid disease. A user friendly and robust in-house solid-phase radioassay was standardized and parameters like sensitivity, reproducibility and stability were assessed. Further, it was validated and evaluated for the detection of autoantibodies in differentiated thyroid cancer (DTC) patients. Totally 301 samples received in our laboratory for routine serum Tg estimation were studied...
March 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28143459/frequency-and-determinants-of-thyroid-autoimmunity-in-ghanaian-type-2-diabetes-patients-a-case-control-study
#13
COMPARATIVE STUDY
Osei Sarfo-Kantanka, Fred Stephen Sarfo, Eunice Oparebea Ansah, Ernest Yorke, Josephine Akpalu, Bernard C Nkum, Benjamin Eghan
BACKGROUND: The link between type 1 diabetes and thyroid autoimmunity is well described. The same cannot be said for type 2 diabetes where results have been mixed so far. We investigated the prevalence and determinants of thyroid autoimmunity among Ghanaian type 2 diabetes patients. METHODS: This was a case-control study involving 302 type 2 diabetes patients and 310 non - diabetic controls aged 40-80 years. Anthropometric and blood pressure measurements were obtained...
January 17, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28137736/high-sensitive-basal-serum-thyroglobulin-6-12-months-after-thyroid-ablation-is-strongly-associated-with-early-response-to-therapy-and-event-free-survival-in-patients-with-low-to-intermediate-risk-differentiated-thyroid-carcinomas
#14
Pierpaolo Trimboli, Valentina Zilioli, Mauro Imperiali, Luca Ceriani, Luca Giovanella
OBJECTIVE: High sensitive thyroglobulin assays (hsTg) has decreased the need for stimulated Tg measurements in patients with differentiated thyroid carcinoma (DTC). However, multiple assays analyzing the same samples may report different values. Accordingly, appropriate assay-specific cut-off levels should be selected in representative patients series. Here we evaluate the role of a new hsTg assay in low to intermediate risk DTC patients and select appropriate assay-specific clinical cut-off limits...
January 30, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28132755/ten-year-experience-of-radioiodine-dosimetry-is-it-useful-in-the-management-of-metastatic-differentiated-thyroid-cancer
#15
F Sun, G E Gerrard, J K Roberts, T Telford, S Namini, M Waller, G Flux, V M Gill
AIMS: When a fixed activity of radioiodine is given for differentiated thyroid cancer (DTC), absorbed doses of radioiodine can vary widely and are not usually measured. Leeds Cancer Centre has routinely used a form of lesion-specific dosimetry for radioiodine patients. This study investigated if the results of dosimetry influenced treatment decisions for patients with advanced DTC. MATERIALS AND METHODS: Since 2005, patients with regionally advanced/metastatic DTC, who underwent radioiodine treatment together with dosimetry, were included in this study...
January 27, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28124642/the-effects-of-radioactive-iodine-therapy-on-olfactory-function
#16
Bilici Suat, Edizer Deniz Tuna, Yigit Ozgur, Yildiz Muhammet, Cermik Tevfik Fikret
PURPOSE: To determine the possible adverse effects of radioactive iodine (RAI) treatment on the olfactory functions of patients with differentiated thyroid carcinoma. MATERIALS AND METHODS: This prospective clinical study included 63 Turkish patients who had been diagnosed with papillary thyroid carcinoma only to ensure homogeneity. The Connecticut Chemosensory Clinical Research Center olfactory test was administered at 1 week before treatment and at the third week and the first year after treatment...
November 1, 2016: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28111157/the-tsh-levels-and-risk-of-hypothyroidism-results-from-a-population-based-prospective-cohort-study-in-an-iranian-adult-s-population
#17
Ashraf Aminorroaya, Rokhsareh Meamar, Massoud Amini, Awat Feizi, Maryam Nasri, Azamosadat Tabatabaei, Elham Faghihimani
OBJECTIVE: The aim of current study was to assess the relationship between serum TSH levels and hypothyroidism risk in the euthyroid population. METHODS: In a population-based cohort study, a total of 615 individuals with a normal baseline TSH, from of total population (n=2254) in 2006, were followed up for 6years. TSH, total T4, thyroid peroxidase antibody (TPOAb), and thyroglobulin antibody (TgAb) were measured. The relative risk (RR) and 95% confidence interval (95%CI) were calculated based on logistic regression...
January 19, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28105348/thyroid-like-low-grade-nasopharyngeal-papillary-adenocarcinoma-a-case-report
#18
Taro Horino, Osamu Ichii, Kazu Hamada-Ode, Tatsuki Matsumoto, Yoshiko Shimamura, Kosuke Inoue, Yoshio Terada
Thyroid-like low-grade nasopharyngeal papillary adenocarcinoma (TL-LGNPPA) is a rare neoplasm characterized by morphological analogy to papillary thyroid carcinoma and abnormal expression of thyroid transcription factor-1 (TTF-1). We herein report a rare case of TL-LGNPPA with a review of its clinical, morphological and immunohistochemical characteristics. The patient was a 25-year-old Japanese woman complaining of a 2-year history of fever of unknown origin. There were no remarkable physical findings and the laboratory tests, including C-reactive protein levels, were normal...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28101491/can-the-american-thyroid-association-risk-of-recurrence-predict-radioiodine-refractory-disease-in-differentiated-thyroid-cancer
#19
Aamna Hassan, Saima Riaz, Humayun Bashir, M Khalid Nawaz, Raza Hussain
OBJECTIVE: The aim of this study was to compare the TNM staging system and the American Thyroid Association (ATA) recurrence risk classification in predicting radioiodine refractory disease (RRD) in differentiated thyroid cancer (DTC) and to analyze the correlation of stimulated thyroglobulin (Tg) levels and rate of Tg elevation with the standardized uptake value on (18)F-fludeoxyglucose (FDG) PET/CT scan. METHODS: RRD was indicated through the retrospective analysis of consecutive (18)F-FDG PET/CT scans in DTC with stimulated Tg >10 ng/ml and negative (131)I NaI whole-body scans (WBS)...
December 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/28099999/high-level-intrathymic-thyrotrophin-receptor-expression-in-thyroiditis-prone-mice-protects-against-the-spontaneous-generation-of-pathogenic-thyrotrophin-receptor-autoantibodies
#20
S M McLachlan, H A Aliesky, B Banuelos, S Lesage, R Collin, B Rapoport
The thyrotrophin receptor (TSHR) A-subunit is the autoantigen targeted by pathogenic autoantibodies that cause Graves' hyperthyroidism, a common autoimmune disease in humans. Previously, we reported that pathogenic TSHR antibodies develop spontaneously in thyroiditis-susceptible non-obese diabetic (NOD).H2(h4) mice bearing a human TSHR A-subunit transgene, which is expressed at low levels in both the thyroid and thymus (Lo-expressor transgene). The present study tested recent evidence that high intrathymic TSHR expression protects against the development of pathogenic TSHR antibodies in humans...
January 18, 2017: Clinical and Experimental Immunology
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