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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/28650576/prognostic-factors-for-recurrence-of-locally-advanced-differentiated-thyroid-cancer
#2
Bo-Young Kim, Ji-Eun Choi, Eunkyu Lee, Young-Ik Son, Chung-Hwan Baek, Sun Woo Kim, Man Ki Chung
Background and Objectives To present treatment outcomes and prognostic factors for surgical management of locally advanced differentiated thyroid cancer (DTC). METHODS: Retrospective review of 70 patients in a single, tertiary referral institution was done. Clinical pathology characteristics were analyzed to investigate prognosticators, based on primary endpoints; locoregional recurrence alone (LRR), total recurrence (LRR or distant metastasis (DM)), and recurrence-free survival. RESULTS: Recurrent laryngeal nerve (n = 31) and trachea (n = 30) were most commonly invaded organs by tumor...
June 26, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28649091/the-penetrance-of-men2-pheochromocytoma-is-not-only-determined-by-ret-mutations
#3
Frederic Castinetti, Ana Luiza Maia, Mariola Peczkowska, Marta Barontini, Kornelia Hasse-Lazar, Thera P Links, Rodrigo Almeida Toledo, Sarka Dvorakova, Caterina Mian, Maria Joao Bugalho, Stefania Zovato, Maria Alevizaki, Andrei Kvachenyuk, Birke Bausch, Paola Loli, Simona Raluca Bergmann, Attila Patocs, Marija Pfeifer, Fina Biarnes, Ernst von Dobschuetz, Claudio Letizia, Gerlof D Valk, Marcin Barczynski, Malgorzata Czetwertynska, John Tm Plukker, Paola Sartorato, Tomas Zelinka, Petr Vlcek, Svetlana Yaremchuk, Georges Weryha, Letizia Canu, Nelson Wohllk, Frederic Sebag, Martin K Walz, Charis Eng, Hartmut P H Neumann
Multiple endocrine neoplasia type 2A (MEN2A) is a rare syndrome which main component is medullary thyroid carcinoma (MTC). The natural history of MTC is mainly determined by RET mutations. The second main component of MEN2A is pheochromocytoma. The latest American Thyroid Association guidelines suggested ages to begin biological screening for pheochromocytoma depending on RET mutations. However, other factors could modify the natural history of pheochromocytoma. We collected data from a large international cohort, based on 812 patients, and grouped them according to 4 geographical areas: South America, Southern Europe, Central Europe and Western Europe...
June 25, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28648877/a-rare-presentation-a-case-report-of-osseous-metaplasia-and-mature-bone-formation-in-a-follicular-adenoma-of-the-thyroid
#4
Nadia Aurora, Insia Hashmi, Subhasis Misra, Nail Aydin
INTRODUCTION: Cases of multinodular goiter, thyroid hyperplasia, follicular adenoma, papillary thyroid carcinoma, and anaplastic thyroid carcinoma have been reported with histopathologic findings of osseous metaplasia (OM), bone marrow metaplasia (BMM), ectopic bone formation (EBF), ossification, and extramedullary hematopoiesis (EMH). To date no report of a follicular adenoma with OM and mature EBF in the absence of EMH has been reported in the English language. PRESENTATION OF CASE: 63-year-old woman with an incidental finding of thyroid nodule unable to be biopsied...
June 17, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28648407/health-related-quality-of-life-fear-of-recurrence-and-emotional-distress-in-patients-treated-for-thyroid-cancer
#5
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/28647981/-disparities-of-sex-on-cancer-incidence-and-mortality-in-jiashan-county-zhejiang-province-1990-2014
#6
X Y Jiang, Y Q Hu, D Ye, Q L Li, K Chen, M J Jin
Objective: This study aimed to describe the sex disparities on cancer incidence and mortality in Jiashan population. Methods: All data concerning incident and death cases of cancers were gathered from the database of Cancer Registry in Jiashan county. Data from the 2010 China census was used as the standard population. Sex-specific age-standardized incidence rates (ASIRs), mortality rates (ASMRs) per 100 000 persons for all cancers and types of each cancer were calculated for the years of 1990 to 1999, 2000 to 2009, 2010 to 2014, and 1990 to 2014...
June 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28647794/an-update-on-the-risk-of-lymph-node-metastasis-for-the-follicular-variant-of-papillary-thyroid-carcinoma-with-the-new-diagnostic-paradigm
#7
Aleksandra M Sowder, Benjamin L Witt, Jason P Hunt
Previous data has shown that the risk of nodal metastases is significantly greater for classical papillary thyroid carcinoma (PTC) as compared to the follicular variant (FVPTC). Given a recent change in diagnostic paradigm and definition of the noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) we intended to investigate if there remains a significant difference in nodal involvement between classical PTC and FVPTC. A 6-year retrospective review of all cases with FVPTC in the diagnostic line from the University of Utah/ARUP Laboratories was conducted...
June 24, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28647780/analysis-of-newly-identified-and-rare-synonymous-genetic-variants-in-the-ret-gene-in-patients-with-medullary-thyroid-carcinoma-in-polish-population
#8
Maria Sromek, Małgorzata Czetwertyńska, Magdalena Tarasińska, Aneta Janiec-Jankowska, Renata Zub, Maria Ćwikła, Dorota Nowakowska, Magdalena Chechlińska
Gain-of-function germline mutations of the RET proto-oncogene are responsible for initiation of carcinogenesis within the thyroid gland and development of hereditary form of medullary thyroid carcinoma and MEN2 syndrome. Genotype-phenotype correlations are established for most RET mutations, but the importance of the synonymous changes in this gene remains debatable. We aimed to analyze RET gene variants in Polish population. Genetic testing for the RET gene variants was performed with standard methods in 585 people aged 1-85, including 448 patients with medullary thyroid carcinoma and 131 of their first- and second-degree relatives, as well as six patients suspected of MTC/MEN2...
June 24, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28646475/latero-cervical-lymph-node-metastases-n1b-represent-an-additional-risk-factor-for-papillary-thyroid-cancer-outcome
#9
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
#10
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/28646462/diagnostic-utility-of-pet-ct-with-18-f-dopa-and-18-f-fdg-in-persistent-or-recurrent-medullary-thyroid-carcinoma-the-importance-of-calcitonin-and-carcinoembryonic-antigen-cutoff
#11
Ana Reyes Romero-Lluch, Juan Ignacio Cuenca-Cuenca, Raquel Guerrero-Vázquez, Antonio Jesús Martínez-Ortega, Juan Luis Tirado-Hospital, Isabel Borrego-Dorado, Elena Navarro-González
PURPOSE: This study sought to evaluate and compare the utility of 18-F-fluorodihydroxyphenylalanine ((18)F-DOPA) and 18-F-fluorodeoxyglucose ((18)F-FDG) positron emission tomography/computed tomography (PET/CT) for identification of lesions in patients with recurrent medullary thyroid carcinoma (MTC). In addition, we analyzed the correlation between the calcitonin (Ct), carcinoembryonic antigen (CEA) levels, each doubling time (DT), and PET positivity. We evaluated the reliability of the 150 pg/mL Ct cutoff set by the American Thyroid Association guidelines for further imaging (including (18)F-DOPA PET/CT)...
June 23, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28645161/lncrna-tug1-influences-papillary-thyroid-cancer-cell-proliferation-migration-and-emt-formation-through-targeting-mir-145
#12
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/28644684/c-cell-and-follicular-epithelial-cell-precursor-lesions-of-the-thyroid
#13
Theresa Scognamiglio
CONTEXT: - The identification of precursor or dysplastic lesions in the thyroid is difficult. Pathology of the C cell has been extensively studied, and the preneoplastic nature of C-cell hyperplasia in the setting of familial medullary thyroid carcinomas is well established. However, the distinction between neoplastic and physiologic/reactive C-cell hyperplasia remains a challenge. Unlike C cells, the existence of a precursor lesion of follicular cell-derived tumors is less well established, and a dysplastic or preneoplastic follicular lesion has not been well defined...
June 23, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28643774/insufficient-antibody-validation-challenges-oestrogen-receptor-beta-research
#14
Sandra Andersson, Mårten Sundberg, Nusa Pristovsek, Ahmed Ibrahim, Philip Jonsson, Borbala Katona, Carl-Magnus Clausson, Agata Zieba, Margareta Ramström, Ola Söderberg, Cecilia Williams, Anna Asplund
The discovery of oestrogen receptor β (ERβ/ESR2) was a landmark discovery. Its reported expression and homology with breast cancer pharmacological target ERα (ESR1) raised hopes for improved endocrine therapies. After 20 years of intense research, this has not materialized. We here perform a rigorous validation of 13 anti-ERβ antibodies, using well-characterized controls and a panel of validation methods. We conclude that only one antibody, the rarely used monoclonal PPZ0506, specifically targets ERβ in immunohistochemistry...
June 15, 2017: Nature Communications
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
#15
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/28643384/cytological-features-of-medullary-thyroid-carcinoma-in-ascitic-effusion
#16
Marilin Rosa
No abstract text is available yet for this article.
June 23, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28643243/toward-predictive-biomarkers-of-response-to-kinase-inhibitor-therapies-in-differentiated-thyroid-cancer
#17
EDITORIAL
Nicole M Iñiguez-Ariza, Keith C Bible
No abstract text is available yet for this article.
June 22, 2017: Endocrine
https://www.readbyqxmd.com/read/28642790/therapeutic-outcomes-of-patients-with-multifocal-papillary-thyroid-microcarcinomas-and-larger-tumors
#18
Soh-Ching Ng, Sheng-Fong Kuo, Szu-Tah Chen, Chuen Hsueh, Bie-Yu Huang, Jen-Der Lin
A retrospective review of 626 patients with multifocal papillary thyroid carcinoma (PTC) including 147 patients (23.5%) with multifocal papillary thyroid microcarcinoma (PTMC) from a total of 2,536 patients with PTC who visited the Chang Gung Medical Center in Linkou, Taiwan, was performed. A comparison of the clinical features between 626 multifocal and 1,910 solitary PTC cases showed that patients in the multifocal PTC group were older and had a smaller mean tumor size, a more advanced tumor-node-metastasis (TNM) stage, and a higher percentage of nonremission status compared to patients in the solitary PTC group...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28642454/inclusion-body-myositis-a-case-presenting-with-respiratory-failure-and-autopsy-findings-leading-to-the-hypothesis-of-a-paraneoplastic-cause
#19
Christopher Dardis, Ariel Antezana, Kurenai Tanji, Paul J Maccabee
BACKGROUND Sporadic inclusion body myositis (IBM) is the most common acquired myopathy seen in adults aged over 50 years, with a prevalence estimated at between 1 and 70 per million. Weakness of the diaphragm with loss of vital capacity is almost universal in IBM. This is almost always asymptomatic. When respiratory complications occur, they are most often due to aspiration. Respiratory failure due to diaphragmatic weakness is exceptionally rare, particularly as the presenting symptom of the disease. It is not currently considered to be a paraneoplastic syndrome...
June 23, 2017: American Journal of Case Reports
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
#20
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
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