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Thyroid testing

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https://www.readbyqxmd.com/read/28324012/deletion-of-the-thyroid-hormone-activating-type-2-deiodinase-rescues-cone-photoreceptor-degeneration-but-not-deafness-in-mice-lacking-type-3-deiodinase
#1
Lily Ng, Hong Liu, Donald L St Germain, Arturo Hernandez, Douglas Forrest
Type 2 deiodinase amplifies and type 3 deiodinase depletes levels of the active form of thyroid hormone, triiodothyronine (T3). Given the opposing activities of these enzymes, we tested the hypothesis that they counteract each other's developmental functions by investigating whether deletion of type 2 deiodinase (encoded by Dio2) modifies sensory phenotypes in type 3 deiodinase-deficient (Dio3-/-) mice. Dio3-/- mice display degeneration of retinal cones, the photoreceptors that mediate daylight and color vision...
March 7, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323925/refining-dynamic-risk-stratification-and-prognostic-groups-for-differentiated-thyroid-cancer-with-tert-promoter-mutations
#2
Tae Hyuk Kim, Chang-Seok Ki, Hye Seung Kim, Kyunga Kim, Jun-Ho Choe, Jung-Han Kim, Jee Soo Kim, Young Lyun Oh, Soo Yeon Hahn, Jung Hee Shin, Hye Won Jang, Sun Wook Kim, Jae Hoon Chung
Context: Currently, no recurrence or mortality risk systems consider molecular testing when predicting thyroid cancer outcomes. Objective: We developed an integrative prognostic system that incorporates TERT promoter mutations into the recently proposed risk reclassification system after initial therapy (dynamic risk stratification, DRS) to better categorize and predict outcomes. Design: A total of 357 differentiated thyroid cancer patients without initial distant metastasis were enrolled...
February 28, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28318881/targeted-therapy-in-thyroid-cancer-state-of-the-art
#3
L Valerio, L Pieruzzi, C Giani, L Agate, V Bottici, L Lorusso, V Cappagli, L Puleo, A Matrone, D Viola, C Romei, R Ciampi, E Molinaro, R Elisei
Thyroid cancer typically has a good outcome following standard treatments, which include surgery, radioactive iodine ablation for differentiated tumours and treatment with thyrotropine hormone-suppressive levothyroxine. Thyroid cancers that persist or recur following these therapies have a poorer prognosis. Cytotoxic chemotherapy or external beam radiotherapy has a low efficacy in these patients. 'Target therapy' with tyrosine kinase inhibitors (TKIs) represent an important therapeutic option for the treatment of advanced cases of radioiodine refractory (RAI-R) differentiated thyroid cancer (DTC), medullary thyroid cancer (MTC) and possibly for cases of poorly differentiated (PDTC) and anaplastic thyroid cancer (ATC)...
March 16, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28317842/bde-99-impairs-differentiation-of-human-and-mouse-npcs-into-the-oligodendroglial-lineage-by-species-specific-modes-of-action
#4
Katharina Dach, Farina Bendt, Ulrike Huebenthal, Susanne Giersiefer, Pamela J Lein, Heike Heuer, Ellen Fritsche
Polybrominated diphenyl ethers (PBDEs) are bioaccumulating flame retardants causing developmental neurotoxicity (DNT) in humans and rodents. Their DNT effects are suspected to involve thyroid hormone (TH) signaling disruption. Here, we tested the hypothesis whether disturbance of neural progenitor cell (NPC) differentiation into the oligodendrocyte lineage (O4(+) cells) by BDE-99 involves disruption of TH action in human and mouse (h,m)NPCs. Therefore, we quantified differentiation of NPCs into O4(+) cells and measured their maturation via expression of myelin-associated genes (hMBP, mMog) in presence and absence of TH and/or BDE-99...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28315910/effect-of-selenium-supplementation-for-protection-of-salivary-glands-from-iodine-131-radiation-damage-in-patients-with-differentiated-thyroid-cancer
#5
Haiyoung Son, Sang Mi Lee, Ra Gyoung Yoon, Hakmin Lee, Ilkyun Lee, Soon Kim, Woong Youn Chung, Jeong Won Lee
OBJECTIVE: In the current study, we examined whether selenium supplementation during iodine-131 ((131)I) treatment had a radio-protective effect on salivary glands. SUBJECTS AND METHODS: Sixteen patients with differentiated thyroid cancer were prospectively enrolled in the study. Patients after total thyroidectomy, before (131)I treatment, were divided into two groups; 8 patients in the selenium group and 8 patients in the control group. Patients in the selenium group received 300νg of selenium orally for 10 days, from 3 days before to 6 days after (131)I treatment...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315902/postoperative-radioactive-iodine-131-ablation-is-not-necessary-among-patients-with-intermediate-risk-differentiated-thyroid-carcinoma-a-population-based-study
#6
Hong Zhang, Yuechang Cai, Li Zheng, Zhanlei Zhang, Ningyi Jiang
OBJECTIVE: To assess the effectiveness of radioactive iodine (RAI) ablation among patients with intermediate-risk differentiated thyroid cancer (DTC) following surgery. SUBJECTS AND METHODS: This population based study obtained information from the Surveillance, Epidemiology, and End Results (SEER) Program Research Data (1973-2013). National Cancer Institute, DCCPS, Surveillance Research Programme, Surveillance Systems Branch, released April 2016, based on the November 2015 submission...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315504/association-of-triiodothyronine-levels-with-left-ventricular-function-cardiovascular-events-and-mortality-in-hemodialysis-patients
#7
Jianjun Gao, Yongxing Xu, Deyang Kong, Lei Zhou, Huaping Jia, Boran Liang, Zhaoyan Gu
BACKGROUND: Hemodialysis (HD) patients have altered free triiodothyronine (fT3) levels. A low fT3 level is a strong and inverse mortality predictor in HD patients. However, little is known about the relationship between fT3 and left ventricular function in HD patients. METHODS: A total of 128 maintenance HD patients were enrolled in this study. A thyroid function test with blood sampling and echocardiography was conducted. Low-T3 syndrome was defined as fT3 level <3...
February 28, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28314770/cribriform-morular-variant-of-papillary-thyroid-carcinoma-a-distinctive-type-of-thyroid-cancer
#8
REVIEW
Alfred King-Yin Lam, Nassim Saremi
The aim of this systematic review is to study the features of cribriform-morular variant of papillary thyroid carcinoma (CMV-PTC) by analysing the 129 documented cases in the English literature. The disease occurred almost exclusively in women. The median age of presentation for CMV-PTC was 24 years. Slightly over half of the patients with CMV-PTC had familial adenomatous polyposis (FAP). CMV-PTC presented before the colonic manifestations in approximately half of the patients with FAP. Patients with FAP often have multifocal tumours in the thyroid...
April 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28314541/risk-of-subsequent-primary-kidney-cancer-after-another-malignancy-a-population-based-study
#9
Omar Abdel-Rahman
BACKGROUND: Population-based data on the development of kidney cancer as a second malignant neoplasm following the diagnosis of other common malignancies are rare. This clinical scenario has been evaluated within the Surveillance, Epidemiology, and End Results (SEER) database. MATERIALS AND METHODS: The SEER-9 database (1973-2013) was queried using the SEER*Stat program to determine the standardized incidence ratios (SIRs) of kidney cancer development following each one of 10 common invasive malignancies (colorectal, breast, prostate, lung, thyroid, corpus uteri, urinary bladder, kidney/renal pelvis, cutaneous melanoma, and non-Hodgkin lymphoma)...
February 27, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28306621/prognostic-value-of-preoperative-18f-fdg-pet-ct-in-papillary-thyroid-cancer-patients-with-a-high-metastatic-lymph-node-ratio-a-multicenter-retrospective-cohort-study
#10
Seong Young Kwon, Eun Kyoung Choi, Eun Jung Kong, Ari Chong, Jung-Min Ha, Kyung Ah Chun, Ihn Ho Cho, Hee-Seung Bom, Jung-Joon Min, Jahae Kim, Ho-Chun Song, Joo Hyun O, Sung Hoon Kim
OBJECTIVE: Metastatic lymph node ratio (MLNR) is a known significant predictor of disease-free survival in differentiated thyroid cancer. The authors investigated the ability of preoperative fluorine-18 fluorodeoxyglucose (F-FDG) PET/CT to predict recurrence after surgery with radioactive iodine therapy considering MLNR. PATIENTS AND METHODS: A total of 274 patients who underwent preoperative PET/CT and surgery with radioactive iodine therapy were enrolled. The tumor-to-liver uptake ratio on PET/CT was calculated by dividing the maximum standardized uptake value of a primary lesion by the mean standardized uptake value of the normal liver...
March 16, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28306523/evaluation-of-thyroid-test-utilization-through-analysis-of-population-level-data
#11
Jasmine Gill, Vilte E Barakauskas, Dylan Thomas, Karina Rodriguez-Capote, Trefor Higgins, Don Zhang, Amanda VanSpronsen, Oksana Babenko, Roberta Martindale, Mathew P Estey
BACKGROUND: Inappropriate laboratory test utilization can result in unnecessary patient testing and increased healthcare costs. While several thyroid function tests are available, thyroid-stimulating hormone (TSH) is recommended as the first-line test for investigating and monitoring thyroid dysfunction. We evaluate thyroid test utilization in Northern Alberta in terms of testing patterns, frequencies, and reflex cutpoints. METHODS: This retrospective study analyzed thyroid test requests from January to December 2014...
March 15, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28303065/bilateral-lacrimal-caruncle-lesions
#12
Yuta Okumura, Yoshiko Takai, Shunsuke Yasuda, Hiroko Terasaki
A 65-year-old man was referred to our hospital for the treatment of a lesion on the medial lacrimal canthus of both eyes. He had a history of perinuclear anti-neutrophil cytoplasmic antibodies, i.e., pANCA-positive interstitial pneumonia. Orbital magnetic resonance imaging excluded space occupying lesions, and laboratory testing excluded thyroid-related diseases. The masses were excised, and histopathological examinations showed sebaceous gland hyperplasia and inflammatory changes around the gland. In addition, the specimen from the left eye showed a retention cyst possibly caused by an infection...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28302234/tuberculous-dactylitis-with-concomitant-thyroid-involvement-a-rare-presentation-of-childhood-tuberculosis
#13
Sobia Qamar, Farrah Naz, Samia Naz, Iftikhar Ejaz
Extrapulmonary tuberculosis rarely presents as thyroid involvement along with other manifestations, and poses a diagnostic challenge on account of paucibacillary nature of disease. In general, the diagnosis of tuberculosis is based on epidemiological risk factors, clinical features, imaging studies, in addition to a positive skin testing or Interferon Gamma Release Assay (IGRA). A 14-year boy presented with history of fever and weight loss for one year. On examination, he had painful swelling of fingers and toes along with a painless thyroid nodule and squint...
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28302162/total-thyroidectomy-may-be-more-reasonable-as-initial-surgery-in-unilateral-multifocal-papillary-thyroid-microcarcinoma-a-single-center-experience
#14
Shuai Xue, Peisong Wang, Jia Liu, Guang Chen
BACKGROUND: The extent of surgery in patients with unilateral multifocal papillary thyroid microcarcinoma (UMPTMC) remains to be controversial. Aimed to improve surgical management of UMPTMC, this study was performed to identify the recurrence of UMPTMC and analyze its predictive factors. METHODS: This study was approved by the Ethical Committee of The First Hospital of the Jilin University, and written informed consent was given by participants for their clinical records to be used in this study...
March 16, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28300834/heterodimers-of-photoreceptor-specific-nuclear-receptor-pnr-nr2e3-and-peroxisome-proliferator-activated-receptor-%C3%AE-ppar%C3%AE-are-disrupted-by-retinal-disease-associated-mutations
#15
Joel Fulton, Bismoy Mazumder, Jonathan B Whitchurch, Cintia J Monteiro, Hilary M Collins, Chun M Chan, Maria P Clemente, Miguel Hernandez-Quiles, Elizabeth A Stewart, Winfried M Amoaku, Paula M Moran, Nigel P Mongan, Jenny L Persson, Simak Ali, David M Heery
Photoreceptor-specific nuclear receptor (PNR/NR2E3) and Tailless homolog (TLX/NR2E1) are human orthologs of the NR2E group, a subgroup of phylogenetically related members of the nuclear receptor (NR) superfamily of transcription factors. We assessed the ability of these NRs to form heterodimers with other members of the human NRs representing all major subgroups. The TLX ligand-binding domain (LBD) did not appear to form homodimers or interact directly with any other NR tested. The PNR LBD was able to form homodimers, but also exhibited robust interactions with the LBDs of peroxisome proliferator-activated receptor-γ (PPARγ)/NR1C3 and thyroid hormone receptor b (TRb) TRβ/NR1A2...
March 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28300627/serum-uric-acid-is-associated-with-better-executive-function-in-men-but-not-in-women-baseline-assessment-of-the-elsa-brasil-study
#16
Cristina Pellegrino Baena, Claudia Kimie Suemoto, Sandhi Barreto, Paulo Lotufo, Isabela Benseñor
BACKGROUND: Serum uric acid (SUA) may protect against free radical stress damage and was previously linked to cognitive impairment in older adults, but evidence in middle-aged adults is scarce. PURPOSE: We sought to analyze whether SUA is associated with cognitive performance in apparently healthy middle-aged participants in the ELSA-Brasil cohort study. METHODS: We excluded participants older than age 65, those taking allopurinol, benzbromarone, or medications that could impair cognitive performance, those with previous stroke, and those with incomplete data on cognitive tests or SUA...
March 11, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28298278/pediatric-celiac-disease-follow-up-in-the-spotlight
#17
REVIEW
Francesco Valitutti, Chiara Maria Trovato, Monica Montuori, Salvatore Cucchiara
The follow-up of celiac disease (CD) is challenging due to the scarcity of published data and the lack of standardized evidence-based protocols. The worldwide frequency and methods of CD follow-up appear to be heavily influenced by expert opinions of the individual physicians who assess children with CD. The aim of this review was to summarize the available studies on CD follow-up in children. We conducted a literature search with the use of PubMed, Medline, and Embase (from 1900 to 15 December 2016) for terms relevant to this review, including CD, follow-up, dietary adherence or dietary compliance, nutrition, comorbidities, complications, and quality of life...
March 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28297756/-igg4-immunohistochemistry-in-riedle-thyroiditis
#18
S Wang, Y F Luo, J L Cao, H Zhang, X H Shi, Z Y Liang, R E Feng
Objective: To observe the histopathological changes and immunohistochemical expression of IgG4 in Riedle thyroiditis (RT) and to study the relationship between RT and IgG4-related diseases (IgG4-RD). Methods: A total of 5 RT patients were collected from the Department of Pathology, Peking Union Medical College Hospital during April 2012 to August 2014. The clinical and immunohistochemical features were analyzed in the 5 patients. Histopathologic analysis was performed on hematoxylin and eosin-stained sections...
March 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28297688/-a-case-of-a-pituitary-adenoma-diagnosed-as-carney-complex-syndrome-in-an-older-female-patient
#19
Ai Okamoto, Daisuke Wajima, Rinsei Tei, Yasushi Shin, Misato Inoue, Shuta Aketa, Taiji Yonezawa
Carney complex syndrome is an autosomal dominant familial tumor syndrome first described by Carney et al. in 1985. The diagnostic criteria include endocrine hyperactivity and spotty skin pigmentation. A 73-year-old woman with cerebral infarction was referred to our department because her brain magnetic resonance imaging(MRI)revealed a pituitary tumor. Her blood tests revealed elevated levels of growth hormone(GH), thyroid stimulating hormone(TSH), and insulin-like growth factor-1(IGF-1). We suspected the presence of a GH-secreting tumor and performed the operation...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28296514/can-unilateral-progressive-or-sudden-hearing-loss-be-immune-mediated-in-origin
#20
Francesca Atturo, Roberta Colangeli, Giorgio Bandiera, Maurizio Barbara, Simonetta Monini
OBJECTIVE: The aim of the present study was to demonstrate that the positivity of nonspecific immunological tests could be found not only in bilateral hearing loss but also in unilateral cases, either sudden or progressive. METHOD: An observational case series study included subjects suffering from unilateral or bilateral, sudden or progressive, symmetric or asymmetric sensorineural hearing loss (SNHL). All the patients underwent pure tone audiometry and the following battery of blood exams: anti-nuclear antibody (ANA), extractable nuclear antigen (ENA) antibody screening, anti-thyroperoxidase (anti-TPO), anti-thyroglobulin and anti-smooth muscle antibody (ASMA)...
March 15, 2017: Acta Oto-laryngologica
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