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Papillary thyroid cancer

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https://www.readbyqxmd.com/read/28650888/false-positive-uptake-of-radioiodine-in-renal-hamartoma-in-a-patient-with-differentiated-thyroid-cancer
#1
Guohua Shen, Zhongzhi Qi, Rui Huang, Bin Liu, Anren Kuang
A 46-year-old woman with a history of papillary thyroid cancer status post total thyroidectomy underwent the second I radioiodine ablation therapy for lung metastases. Posttherapeutic whole-body I planar images showed diffuse uptake in the lungs and intense focal activity in both sides of the upper abdomen. SPECT/CT of the abdomen localized the uptake in the upper pole of the left kidney and the lower pole of the right kidney. The patient received bilateral partial nephrectomy with pathology demonstrating that these 2 renal lesions were renal hamartomas...
June 24, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28648407/health-related-quality-of-life-fear-of-recurrence-and-emotional-distress-in-patients-treated-for-thyroid-cancer
#2
S N Rogers, V Mepani, S Jackson, D Lowe
Diagnosis of differentiated thyroid carcinoma (papillary or follicular) and its treatment may be associated with a poor health-related quality of life (HRQoL), and with fear of recurrence (FoR), and distress. To our knowledge, this is the first time a single FoR screening question (written to complement a HRQoL questionnaire), has been reported with HRQoL and levels of distress in patients treated for the disease. In April 2014 we did a cross-sectional survey of patients who had presented to the Merseyside and Cheshire thyroid cancer network between April 2009 and November 2013...
June 22, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28646475/latero-cervical-lymph-node-metastases-n1b-represent-an-additional-risk-factor-for-papillary-thyroid-cancer-outcome
#3
G Sapuppo, F Palermo, M Russo, M Tavarelli, R Masucci, S Squatrito, R Vigneri, G Pellegriti
PURPOSE: Papillary thyroid carcinoma (PTC), the most common thyroid cancer histotype, has a good prognosis even when spread to the neck lymph node (LN). The prognostic role of LN metastases' location is still controversial. The aim of the present study was to evaluate the clinical relevance of the number and location of LN metastases at presentation in PTCs. METHODS: This retrospective study included a consecutive series of 1653 PTC patients followed for a mean period of 5...
June 23, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28646474/correlation-between-braf-v600e-mutation-and-clinicopathological-features-in-pediatric-papillary-thyroid-carcinoma
#4
Jiangqiao Geng, Huanmin Wang, Yuanhu Liu, Jun Tai, Yaqiong Jin, Jie Zhang, Lejian He, Libing Fu, Hong Qin, Yingluan Song, Jinzhu Su, Aiying Zhang, Xin Wen, Yongli Guo, Xin Ni
In adults, the presence of the BRAF (V600E) mutation in papillary thyroid cancer (PTC) has been demonstrated to be strongly associated with aggressive cancer-cell characteristics and poor patient prognosis. In contrast, the frequency of this mutation in pediatric PTC has undergone limited study, and the few available estimates range from 0 to 63%. Furthermore, the role of the BRAF (V600E) mutation in pediatric PTC is controversial; thus, the present study aimed to investigate the prevalence and role of the BRAF (V600E) mutation in 48 pediatric patients with PTC, aged 3-13 years...
June 15, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28645161/lncrna-tug1-influences-papillary-thyroid-cancer-cell-proliferation-migration-and-emt-formation-through-targeting-mir-145
#5
Hongwei Lei, Yan Gao, Xiaoying Xu
LncRNA TUG1, a tumor oncogene associated with various human cancers, has been reported to be involved in regulating various cellular processes, such as proliferation, apoptosis and invasion through targeting multiple genes. However, its biological function in thyroid cancer cells has not been elucidated. The aim of this study is to measure TUG1 expression level and evaluate its function in thyroid cancer cells. LncRNA TUG1 expression levels in thyroid cancer tissues and three thyroid cancer cell lines (the ATC cell lines SW1736 and KAT18 and the FTC cell line FTC133) were assessed by qRT-PCR and compared with that of the human normal breast epithelial cell HGC-27...
June 22, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28643757/significance-of-expression-of-suppressor-of-cytokine-signaling-proteins-suppressor-of-cytokine-signaling-1-suppressor-of-cytokine-signaling-2-and-suppressor-of-cytokine-signaling-3-in-papillary-thyroid-cancer
#6
Toral Pundrik Kobawala, Trupti I Trivedi, Kinjal Kevin Gajjar, Girish H Patel, Nandita R Ghosh
PURPOSE: Uncontrolled cytokine signal transduction largely associated with oncogene activation, can have disastrous biological consequences. The suppressor of cytokine signaling (SOCS) proteins represent one of the mechanisms by which this rampant signaling can be dissipated. Thus, we aimed to study the expression of SOCS-1, SOCS-2, and SOCS-3 in patients having benign thyroid disease and papillary thyroid cancer. MATERIALS AND METHODS: SOCS protein expression was studied in 45 patients with benign thyroid disease and in 83 papillary thyroid cancer patients by immunohistochemistry and their association with clinicopathological characteristics and overall survival in cancer patients were analyzed using SPSS software...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28640454/direct-quantification-of-gamma-h2ax-by-cell-based-high-throughput-screening-for-evaluation-of-genotoxicity-of-pesticides-in-a-human-thyroid-cell-lines
#7
Jerome M Hershman, Bryan France, Kevin Hon, Robert Damoiseaux
Genotoxicity is thought to be the cause of many cancers. Genotoxicity due to environmental toxins may be partly responsible for the dramatic increase in the incidence of papillary thyroid cancer over the past two decades. Here, we present a fully automatable assay platform that directly quantifies the phosphorylation of nuclear histone gamma H2AX (γH2AX), a specific cellular marker for DNA double strand breaks (DSBs) via immunohistochemistry and laser scanning cytometry. It multiplexes γH2AX with total cell number measured as propidium iodide and calculates the percentage of cells with DSBs...
June 22, 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/28639967/ras-positive-thyroid-nodules
#8
Trevor E Angell
PURPOSE OF REVIEW: The current review focuses on the uncertainty regarding the management of rat sarcoma viral oncogene homolog RAS-positive thyroid nodules. The application of oncogene testing has been heralded for improving risk assessment for indeterminate cytology thyroid nodules and has grown in clinical use. RAS mutations are historically considered oncogenic. However, RAS mutation detection in thyroid nodules has proven problematic, as these mutations are found in benign and malignant lesions...
July 20, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/28639308/discovery-of-novel-wtret-and-v804mret-inhibitors-from-hit-to-lead
#9
Luca Mologni, Martina Dalla Via, Adriana Chilin, Manlio Palumbo, Giovanni Marzaro
Oncogenic activation of the RET kinase has been found in several neoplastic diseases, like medullary thyroid carcinoma, multiple endocrine neoplasia, papillary thyroid carcinoma and non-small cells lung cancer. Currently approved RET inhibitors were not originally designed to be RET inhibitors and their potency against RET kinase has not been optimized. Hence, novel compounds able to inhibit both wtRET and its mutants (e.g. V804MRET) are needed. Herein we present the development and the preliminary evaluation of a new sub-micromolar wtRET/V804MRET inhibitor (69) endowed with 4-anilinopyridine structure, starting from our previously identified 4-anilinopyrimidine hit compound...
June 22, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28636673/evaluation-of-molecular-diagnostic-approaches-for-the-detection-of-braf-p-v600e-mutations-in-papillary-thyroid-cancer-clinical-implications
#10
Artur Kowalik, Aldona Kowalska, Agnieszka Walczyk, Renata Chodurska, Janusz Kopczyński, Magdalena Chrapek, Elżbieta Wypiórkiewicz, Małgorzata Chłopek, Liliana Pięciak, Danuta Gąsior-Perczak, Iwona Pałyga, Krzysztof Gruszczyński, Ewelina Nowak, Stanisław Góźdź
Differentiated papillary thyroid cancer (PTC) is the most common cancer of the endocrine system. PTC has a very good prognosis and a high 5 year survival rate; however, some patients are unresponsive to treatment, and their diagnosis eventually results in death. Recent efforts have focused on searching for prognostic and predictive factors that may enable treatment personalization and monitoring across the course of the disease. The presence of the BRAF mutation is considered to contribute to the risk of poor clinical course, according to American Thyroid Association (ATA) recommendations...
2017: PloS One
https://www.readbyqxmd.com/read/28636557/surgical-management-for-follicular-variant-of-papillary-thyroid-carcinoma
#11
Jianing Tang, Deguang Kong, Lupin Bu, Gaosong Wu
BACKGROUND AND AIMS: For most patients with follicular variant of papillary thyroid carcinoma (FVPTC), surgery is required, while the surgical management remains controversial. We aim to further understanding of treatment of FVPTC and to determine whether specific features could be identified for the decision of surgical strategy. MATERIALS AND METHODS: Data were obtained from the Surveillance, Epidemiology, and End Results (SEER) Program database during 2003 and 2013...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635633/new-insights-in-thyroid-cancer-and-p53-family-proteins
#12
REVIEW
Livia Manzella, Stefania Stella, Maria Stella Pennisi, Elena Tirrò, Michele Massimino, Chiara Romano, Adriana Puma, Martina Tavarelli, Paolo Vigneri
Thyroid cancers are common endocrine malignancies that comprise tumors with different clinical and histological features. Indeed, papillary and follicular thyroid cancers are slow-growing, well-differentiated tumors, whereas anaplastic thyroid cancers are undifferentiated neoplasias that behave much more aggressively. Well-differentiated thyroid carcinomas are efficiently cured by surgery and radioiodine, unlike undifferentiated tumors that fail to uptake radioactive iodine and are usually resistant to chemotherapy...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28634282/genomic-alterations-in-fatal-forms-of-non-anaplastic-thyroid-cancer-identification-of-med12-and-rbm10-as-novel-thyroid-cancer-genes-associated-with-tumor-virulence
#13
Tihana Ibrahimpasic, Bin Xu, Iñigo Landa, Snjezana Dogan, Sumit Middha, Venkatraman Seshan, Shyamprasad Deraje Vasudeva, Diane Carlson, Jocelyn Migliacci, Jeffrey A Knauf, Brian R Untch, Michael F Berger, Luc Gt Morris, R Michael Tuttle, Timothy A Chan, James A Fagin, Ronald Ghossein, Ian Ganly
Purpose. Patients with anaplastic thyroid cancer have a very high death rate. In contrast, deaths from non-anaplastic thyroid cancer are much less common. The genetic alterations in fatal non-anaplastic thyroid cancers have not been reported. <p>Experimental Design. We performed next-generation sequencing of 410 cancer genes from 57 fatal non-anaplastic thyroid primary cancers. Results were compared to The Cancer Genome Atlas study (TCGA study) of papillary thyroid cancers (PTC) and to the genomic changes reported in anaplastic thyroid cancer (ATC)...
June 20, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28631713/-braf-positive-paucicellular-variant-of-anaplastic-carcinoma-in-the-presence-of-tall-cell-variant-papillary-thyroid-cancer
#14
O V Dolzhansky, E M Paltseva, D N Khmelkova, F A Konovalov, I V Kanivets, A V Lavrov, D V Pyankov, S A Korostelev, O A Levendyuk, V M Pominalnaya, D N Fedorov
To paper describes a case of paucicellular anaplastic cancer in the presence of tall cell variant papillary thyroid carcinoma. Microscopic examination showed that the differentiated component of the tumor was composed of papillary structures with tall cells, the height of which exceeded 3-4 times the width. Its anaplastic component consisted of fibrous tissue with occasional spindle-shaped cells and focal lymphocytic infiltration to the extent of 70%. The spindle-shaped cells expressed cytokeratins, β-catenin, p53, and vimentin...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28629253/insights-into-the-management-of-papillary-microcarcinoma-of-the-thyroid
#15
Akira Miyauchi, Yasuhiro Ito, Hitomi Oda
BACKGROUND: Rapid increases in the incidence of thyroid carcinoma with stable mortality rates from thyroid carcinoma have been reported from many countries, and these increases are thought to be due mostly to the increased detection of small papillary thyroid carcinomas (PTCs), including papillary microcarcinomas (PMCs, i.e., PTCs ≤10 mm). Some researchers suggested small PTCs have been overdiagnosed and overtreated. In Japan, the active surveillance of patients with low-risk PMCs was initiated by Kuma Hospital (1993) and Tokyo's Cancer Institute Hospital (1995) based on the extremely higher incidences of both latent thyroid carcinomas in autopsy studies and small PTCs detected in mass screening studies using ultrasound examinations compared to the prevalence of clinical thyroid carcinoma...
June 19, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28621914/distinguishing-parathyroid-and-thyroid-lesions-on-ultrasound-guided-fine-needle-aspiration-a-correlation-of-clinical-data-ancillary-studies-and-molecular-analysis
#16
Margaret Cho, Thaira Oweity, Tamar C Brandler, Karen Fried, Pascale Levine
BACKGROUND: Differentiating parathyroid and thyroid lesions can be challenging because of considerable morphologic overlap and anatomic proximity. Therefore, the authors sought to identify characteristic morphologic patterns and useful adjunct tests to distinguish these 2 entities. METHODS: A search was conducted in the study institution database for clinically indeterminate thyroid nodules from 2000 through 2016 with an emphasis on confirmed parathyroid nodules...
June 16, 2017: Cancer
https://www.readbyqxmd.com/read/28621690/ratio-of-positive-lymph-nodes-the-prognostic-value-in-stage-iv-thyroid-cancer
#17
Tingyin Jiang, Chunling Huang, Yuan Xu, Yingrui Su, Guanjie Zhang, Long Xie, Liqun Huang, Shuchun You, Jinshun Zha
To assess the prognostic value of lymph node ratio (LNR) in patients with stage IV thyroid cancer based on the Surveillance, Epidemiology, and End Results (SEER) database. A total of 4,940 eligible patients were included for the analysis. Kaplan-Meier survival analysis and Cox proportional hazard regression were used to reveal the effect of LNR on overall survival (OS) and disease specific survival (DSS). The optimal cut-off value of LNR for predicting OS and DSS was determined by the time-dependent Receiver Operating Characteristic analysis...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28618399/rna-sequencing-investigation-identifies-an-effective-risk-score-generated-by-three-novel-lncrnas-for-the-survival-of-papillary-thyroid-cancer-patients
#18
Yi-Huan Luo, Liang Liang, Rong-Quan He, Dong-Yue Wen, Guo-Fei Deng, Hong Yang, Yun He, Wei Ma, Xiao-Yong Cai, Jun-Qiang Chen, Gang Chen
Scholars are striving to apply molecular biology involving long non-coding RNA (lncRNA) in the prognostication of papillary thyroid cancer (PTC). However, the clinical role of lncRNAs in the prognostic setting of PTC is still unclear. Herein, a comprehensive inquiry was performed to screen lncRNA expression profiling with 507 PTC patients from The Cancer Genome Atlas RNA-sequencing datasets. A total of 734 lncRNAs were detected to be aberrantly expressed, among which three novel lncRNAs including AC079630.2, CRNDE and CTD-2171N6...
May 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28618398/correlation-of-thyroid-stimulating-hormone-receptor-mrna-expression-levels-in-peripheral-blood-with-undesirable-clinicopathological-features-in-papillary-thyroid-carcinoma-patients
#19
Riming Liu, Shaolong Hao, Hua Zhang, Jihong Ma, Xincheng Liu, Jie Xu, Xin Liu, Jinyao Ning, Yan Sun, Lixin Jiang, Guojun Li, Xicheng Song, Haitao Zheng
To determine the extent to which thyroid stimulating hormone receptor (TSHR) mRNA in peripheral blood (PB) has diagnostic value for papillary thyroid carcinoma (PTC). We obtained pre- and postoperative PB samples from 104 thyroid disease patients and collected 11 healthy volunteers' PB samples twice apiece at different times. We used reverse transcription polymerase chain reaction (RT-PCR) to quantify TSHR mRNA expression levels in the samples. T-test and chi-square test were used to compare quantitative data and rates...
May 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28617334/the-molecular-effect-of-diagnostic-absorbed-doses-from-131-i-on-papillary-thyroid-cancer-cells-in-vitro
#20
Mariusz Stasiołek, Zbigniew Adamczewski, Przemysław W Śliwka, Bartosz Puła, Bolesław Karwowski, Anna Merecz-Sadowska, Marek Dedecjus, Andrzej Lewiński
Diagnostic whole-body scan is a standard procedure in patients with thyroid cancer prior to the application of a therapeutic dose of (131)I. Unfortunately, administration of the radioisotope in a diagnostic dose may decrease further radioiodine uptake-the phenomenon called "thyroid stunning". We estimated radiation absorbed dose-dependent changes in genetic material, in particular in the sodium iodide symporter (NIS) gene promoter, and the NIS protein level in a K1 cell line derived from the metastasis of a human papillary thyroid carcinoma exposed to (131)I in culture...
June 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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