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https://www.readbyqxmd.com/read/28938489/prognostic-classifier-based-on-genome-wide-dna-methylation-profiling-in-well-differentiated-thyroid-tumors
#1
Mariana Bisarro Dos Reis, Mateus Camargo Barros-Filho, Fábio Albuquerque Marchi, Caroline Moraes Beltrami, Hellen Kuasne, Clóvis Antônio Lopes Pinto, Srikant Ambatipudi, Zdenko Herceg, Luiz Paulo Kowalski, Silvia Regina Rogatto
Context: Even though the majority of well-differentiated thyroid cancer (WDTC) is indolent, a number of cases display an aggressive behavior. Cumulative evidences have suggested that the deregulation of DNA methylation has the potential to point out molecular markers associated with worse prognosis. Objective: To identify a prognostic epigenetic signature in thyroid cancer. Design: Genome-wide DNA methylation assays (450k platform, Illumina) were performed in a cohort of 50 non-neoplastic thyroid tissues (NT), 17 benign thyroid lesions (BTL) and 74 thyroid carcinomas (60 papillary, 8 follicular, 2 Hürthle cell, 1 poorly differentiated and 3 anaplastic)...
August 16, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938463/role-of-cyp51-in-the-regulation-of-t3-and-fsh-induced-steroidogenesis-in-female-mice
#2
Juan Liu, Ye Tian, Yu Ding, Dai Heng, Kaili Xu, Wenbo Liu, Cheng Zhang
Cytochrome P450 lanosterol 14α-demethylase (CYP51) is a key enzyme in sterols and steroids biosynthesis that involved in folliculogenesis and oocyte maturation, which is regulated by follicle stimulating hormone (FSH), as a key reproductive hormone during follicular development. Thyroid hormone (TH) is also important for normal reproductive function. Although T3 enhances FSH-induced preantral follicle growth, whether and how TH combines with FSH to regulate CYP51 expression during preantral to early antral transition stage is unclear...
August 18, 2017: Endocrinology
https://www.readbyqxmd.com/read/28920749/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-disease-state-commentary-managing-thyroid-tumors-diagnosed-as-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features
#3
Zubair W Baloch, R Mack Harrell, Elise M Brett, Gregory Randolph, Jeffrey R Garber
This commentary summarizes the history and reclassification of noninvasive follicular thyroid neoplasm with papillary-like nuclei (NIFTP). It reviews the salient histopathologic features that are based on immunohistochemical and molecular profiles and serve as inclusion and exclusion criteria. The authors also provide their own point of view regarding the practical issues and possible concerns that may be raised by both clinicians and patients based on the diagnosis of NIFTP. ABBREVIATIONS: AACE = American Association of Clinical Endocrinologists EFVPTC = encapsulated FVPTC FNA = fine-needle aspiration FVPTC = follicular variant of papillary thyroid carcinoma NIFTP = noninvasive follicular thyroid neoplasm with papillary-like nuclear features PTC = papillary thyroid carcinoma...
September 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28920557/automated-microspect-microct-image-analysis-of-the-mouse-thyroid-gland
#4
Peng Cheng, Brynn Hollingsworth, Daniel Scarberry, Daniel Hueng-Yuan Shen, Kimerly Powell, Sean C Smart, John Beech, Xiaochao Sheng, Lawrence S Kirschner, Chia-Hsiang Menq, Sissy M Jhiang
<b>Background:</b> The ability of thyroid follicular cells to take up iodine enables the use of radioactive iodine (RAI) for imaging and targeted killing of RAI-avid thyroid cancer following thyroidectomy. To facilitate identifying novel strategies to improve <sup>131</sup>I therapeutic efficacy for patients with RAI refractory disease, it is desired to optimize image acquisition and analysis for preclinical mouse models of thyroid cancer. <b>Methods:</b> A customized mouse cradle was designed and used for microSPECT/CT image acquisition at 1 hour (t1) and 24 hours (t24) post-injection of <sup>123</sup>I, which mainly reflect RAI influx/efflux equilibrium and RAI retention in the thyroid, respectively...
September 16, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28919611/incidental-thyroid-carcinoma-in-patients-treated-surgically-for-presumably-benign-thyroid-disease
#5
M M Rahman, U S Abdullah, A I Joarder, C Das, B C Debnath, R Sah
Incidental Thyroid Carcinoma (ITC) is quite high as been reported in the world's Journal. This study reviews the frequency of the ITC in patients treated surgically for otherwise benign Thyroid disease in one of the Endocrine surgery unit of Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh. This study was developed by the investigating the outcome of one hundred and twenty seven patient who underwent partial or total thyroidectomy for benign thyroid pathology in a single Endocrine Surgery Unit of BSMMU from January 2011 to July 2015...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28919092/cervical-soft-tissue-recurrence-of-differentiated-thyroid-carcinoma-after-thyroidectomy-indicates-a-poor-prognosis
#6
Luying Gao, Yuxin Jiang, Zhiyong Liang, Lei Zhang, Xinxin Mao, Xiao Yang, Ying Wang, Jingzhu Xu, Ruyu Liu, Shenling Zhu, Ruina Zhao, Xingjian Lai, Xiaoyan Zhang, Bo Zhang
BACKGROUND: We investigated cervical soft tissue recurrence of differentiated thyroid carcinoma (DTC) after thyroidectomy, and these lesions exhibited no evidence that they were lymph nodes (LNs). METHODS: Between January 2012 and April 2016, consecutive 6308 patients underwent thyroid surgery for DTC at our center. Among them, we encountered 21 patients with recurrent cervical soft tissue lesions, none of whom had previously undergone fine needle aspiration biopsy (FNAB)...
September 14, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28914983/suggesting-the-cytologic-diagnosis-of-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-niftp-a-retrospective-analysis-of-atypical-and-suspicious-nodules
#7
Kyle C Strickland, Brooke E Howitt, Justine A Barletta, Edmund S Cibas, Jeffrey F Krane
BACKGROUND: The term "noninvasive follicular thyroid neoplasm with papillary-like nuclear features" (NIFTP) has replaced a subset of follicular variant of papillary thyroid carcinoma due to the indolent behavior of such tumors. NIFTPs are most often classified in an "indeterminate" diagnostic category. In the current study, the authors sought to identify cytologic features helpful in distinguishing NIFTP from other entities in these categories, particularly benign nodules. METHODS: The authors retrospectively evaluated a consecutive cohort of 130 thyroid fine-needle aspiration (FNA) specimens with an indeterminate diagnosis and available histopathologic follow-up...
September 15, 2017: Cancer
https://www.readbyqxmd.com/read/28910878/-thyroid-like-follicular-renal-cell-carcinoma-with-extramedullary-hematopoiesis-report-of-a-case
#8
Z P Liu, Q X Tao, X H Tang, T Chen, X P Chen, L W Long, H B Guo
No abstract text is available yet for this article.
September 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28904306/noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-a-single-institutional-experience-in-japan
#9
Mitsuyoshi Hirokawa, Miyoko Higuchi, Ayana Suzuki, Toshitetsu Hayashi, Seiji Kuma, Akira Miyauchi
Noninvasive encapsulated follicular variant of papillary thyroid carcinoma (PTC) was reclassified as noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP). To date, no studies on NIFTP have been reported in Japan. This study aimed to evaluate the clinical, cytological, and pathological findings of 54 cases of NIFTP from a single center in Japan, and compare them with those in the western countries. There were no significant differences in age, sex, or tumor size between patients with NIFTP and those with invasive encapsulated follicular variant -PTC...
September 12, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28902465/a-modified-reporting-approach-for-thyroid-fna-in-the-niftp-era-a-1-year-institutional-experience
#10
Jeffrey K Mito, Erik K Alexander, Trevor E Angell, Justine A Barletta, Matthew A Nehs, Edmund S Cibas, Jeffrey F Krane
BACKGROUND: The reclassification of noninvasive follicular variant of papillary thyroid carcinoma as noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) has created diagnostic and management issues for thyroid fine-needle aspiration (FNA). In response to these challenges, the authors' laboratory adopted a NIFTP policy including 1) stringent criteria (requiring pseudo-inclusions, papillae, and/or psammoma bodies) for a malignant diagnosis of papillary carcinoma to limit false-positive results due to NIFTP and 2) the use of explanatory notes in cases with cytomorphologic features suggestive of possible NIFTP to encourage lobectomy over thyroidectomy...
September 13, 2017: Cancer
https://www.readbyqxmd.com/read/28902351/anoctamin5-regulates-cell-migration-and-invasion-in-thyroid-cancer
#11
Zhengyan Chang, Chunmiao Cai, Dongyan Han, Yaohui Gao, Qianyu Li, Lijin Feng, Wei Zhang, Jiayi Zheng, Jiaoying Jin, Huizhen Zhang, Qing Wei
Anoctamin/TMEM16 family members have recently been identified as novel calcium-activated chloride channels, and dysregulation of many family members participates in tumorigenesis and progression. However, the exact role of anoctamin5 (ANO5), one member of this family, in thyroid cancer is still not clarified. In this study, we firstly found that the expression levels of ANO5 was significantly downregulated in thyroid cancer compared to adjacent normal tissue by mining the public GEO database. Subsequently, we further demonstrated that the expression levels of ANO5 was significantly downregulated in 69...
October 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28900184/survivin-and-xiap-two-potential-biological-targets-in-follicular-thyroid-carcinoma
#12
Thomas A Werner, Levent Dizdar, Inga Nolten, Jasmin C Riemer, Sabrina Mersch, Sina C Schütte, Christiane Driemel, Pablo E Verde, Katharina Raba, Stefan A Topp, Matthias Schott, Wolfram T Knoefel, Andreas Krieg
Follicular thyroid carcinoma's (FTC) overall good prognosis deteriorates if the tumour fails to retain radioactive iodine. Therefore, new druggable targets are in high demand for this subset of patients. Here, we investigated the prognostic and biological role of survivin and XIAP in FTC. Survivin and XIAP expression was investigated in 44 FTC and corresponding non-neoplastic thyroid specimens using tissue microarrays. Inhibition of both inhibitor of apoptosis proteins (IAP) was induced by shRNAs or specific small molecule antagonists and functional changes were investigated in vitro and in vivo...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28898614/-fine-needle-aspiration-of-thyroid-nodules-is-it-worth-repeating
#13
Vera Fernandes, Tânia Pereira, Catarina Eloy
INTRODUCTION: The fine-needle aspiration has a significant role in assessing the malignancy risk of thyroid nodules. There is uncertainty regarding the value of repeat fine-needle aspiration in benign nodules. This study aims to evaluate the concordance of results in consecutive fine-needle aspiration and to study the relevance of repetition in benign results. MATERIAL AND METHODS: Retrospective study of the 4800 thyroid nodules fine-needle aspiration held in Instituto de Patologia e Imunologia Molecular da Universidade do Porto between January 1, 2014 and May 2, 2016...
June 30, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28898488/prevention-of-total-thyroidectomy-in-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-niftp-based-on-combined-interpretation-of-ultrasonographic-and-cytopathologic-results
#14
Sung-Hye You, Kyu Eun Lee, Roh-Eul Yoo, Hye Jeong Choi, Kyeong Cheon Jung, Jae-Kyung Won, Koung Mi Kang, Tae Jin Yoon, Seung Hong Choi, Chul-Ho Sohn, Ji-Hoon Kim
OBJECTIVE: To explore the potential preoperative ultrasonography (US) and cytopathological features to avoid total thyroidectomy in NIFTP CONTEXT: Recently, it has been proposed that that non-invasive follicular thyroid neoplasms with papillary-like nuclear features (NIFTP) be classified as tumors, rather than cancer. PATIENTS: A total of 142 surgically proven follicular variant papillary thyroid carcinomas (FVPTCs; 45 NIFTP, 97 non-NIFTP; mean size: 20.4±11.0 mm, range: 10...
September 12, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28892908/cytological-diagnosis-of-an-uncommon-high-grade-malignant-thyroid-tumour-a-case-report
#15
Ruchi Nagpal, Manju Kaushal, Sawan Kumar
Anaplastic Thyroid Carcinoma (ATC) is a relatively uncommon highly malignant tumour originating from the follicular cells of thyroid gland having poor prognosis. It accounts for 2% to 5% of all thyroid carcinomas and patients typically present with a rapidly growing anterior neck mass with aggressive symptoms. A 53-year-old male presented with diffuse neck swelling measuring 8x6 cm and right cervical lymph node measuring 2x2 cm since one month which was associated with dyspepsia and dyspnoea. Ultrasound and Contrast Enhanced Computed Tomography (CECT) neck revealed enlarged right lobe of thyroid and multiple enlarged cervical lymph nodes with soft tissue density nodules in bilateral lungs...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28892875/development-of-parafollicular-cells-and-their-relationship-with-developing-thyroid-follicles-in-human-foetuses
#16
Sushant Swaroop Das, Sabita Mishra, J M Kaul
INTRODUCTION: The parafollicular cells or clear (C) cells in man are part of neuroendocrine system under Amine Precursor Uptake and Decarboxylation (APUD) cells. Their role in adults has been reputable but in foetus is still unclear. AIM: The present study was a baseline study endeavouring to describe the chronological development of the parafollicular cells with particular focus on its correlation with developing human thyroid follicles. MATERIALS AND METHODS: The study was conducted on 10 aborted foetuses (14-28 weeks), procured from the Department of Obstetrics and Gynaecology, Lok Nayak Hospital, New Delhi, India...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28883260/a-case-of-metastatic-follicular-thyroid-carcinoma-complicated-with-graves-disease-after-total-thyroidectomy
#17
Mariko Aoyama, Hiromitsu Takizawa, Mitsuhiro Tsuboi, Yasushi Nakagawa, Akira Tangoku
Thyroid cancer and Graves' disease may present simultaneously in one patient. The incidence of the development of hyperthyroidism from metastatic differentiated thyroid carcinoma is rare. We herein report a case of metastatic follicular carcinoma complicated with Graves' disease after total thyroidectomy. A 57-year-old woman underwent right hemithyroidectomy for follicular carcinoma. Metastatic lesions appeared in the lungs and skull two years after the first surgery, and remnant thyroidectomy was performed for radioactive iodine-131 (RAI) therapy, during which the TSH receptor antibody (TRAb) was found to be negative...
September 5, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28880405/differentiation-of-the-follicular-variant-of-papillary-thyroid-carcinoma-from-classic-papillary-thyroid-carcinoma-an-ultrasound-analysis-and-complement-to-fine-needle-aspiration-cytology
#18
Soh-Ching Ng, Sheng-Fong Kuo, Chung-Ching Hua, Bie-Yu Huang, Kun-Chun Chiang, Yin-Yi Chu, Chuen Hsueh, Jen-Der Lin
OBJECTIVES: It is difficult to establish a diagnosis of the follicular variant of papillary thyroid carcinoma (PTC) using fine-needle aspiration cytology (FNAC). Preoperative features on ultrasound (US) imaging are different between follicular PTC and classic PTC. This study developed a risk score system to differentiate follicular PTC from classic PTC and to correlate the risk score of follicular PTC with its FNAC categories and pathologic features. METHODS: The US features, FNAC results, and pathologic reports of 156 follicular PTC nodules and 152 classic PTC nodules from 296 patients with PTC along with their clinical characteristics were reviewed retrospectively...
September 7, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28880059/evaluation-of-somatic-genomic-imbalances-in-thyroid-carcinomas-of-follicular-origin-by-cgh-based-approaches
#19
Federica Baldan, Catia Mio, Lorenzo Allegri, Nadia Passon, Saverio M Lepore, Diego Russo, Giuseppe Damante
INTRODUCTION: Application of distinct technologies of cancer genome analysis has provided important information for the molecular characterization of several human neoplasia, including follicular cell-derived thyroid carcinoma. Among them, comparative genomic hybridization (CGH)-based procedures have been extensively applied to evaluate genomic imbalances present in these tumours, obtaining data leading to an increase in the understanding of their complexity and diversity. EVIDENCE ACQUISITION: In this review, after a brief overview of the most commonly used CGH-based technichs, we will describe the major results deriving from the most influential studies in the literature which used this approach to investigate the genomic aberrations of thyroid cancer cells...
September 7, 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28879559/yonsei-experience-of-5000-gasless-transaxillary-robotic-thyroidectomies
#20
Min Jhi Kim, Kee-Hyun Nam, Seul Gi Lee, Jung Bum Choi, Tae Hyung Kim, Cho Rok Lee, Jandee Lee, Sang-Wook Kang, Jong Ju Jeong, Woong Youn Chung
BACKGROUND: Since the use of robot systems in thyroid surgery was introduced in 2007, we have advanced a novel method of robotic thyroidectomy (RT) using a gasless transaxillary approach (TAA). We report our experience with this technique and detail the surgical outcome of 5000 robotic thyroidectomies. METHODS: From October 2007 to May 2016, we successfully performed 5000 robotic thyroidectomies using a gasless TAA at the Department of Surgery, Yonsei University Health System...
September 6, 2017: World Journal of Surgery
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