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Papillary thyroid cancer

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https://www.readbyqxmd.com/read/29791660/potential-role-of-sorafenib-as-neoadjuvant-therapy-in-unresectable-papillary-thyroid-cancer
#1
Debora L S Danilovic, Gilberto Castro, Felipe S R Roitberg, Felipe A B Vanderlei, Fernanda A Bonani, Ricardo M C Freitas, George B Coura-Filho, Rosalinda Y Camargo, Marco A Kulcsar, Suemi Marui, Ana O Hoff
Total thyroidectomy, radioiodine (RAI) therapy, and TSH suppression are the mainstay treatment for differentiated thyroid carcinomas (DTCs). Treatments for metastatic disease include surgery, external-beam radiotherapy, RAI, and kinase inhibitors for progressive iodine-refractory disease. Unresectable locoregional disease remains a challenge, as standard therapy with RAI becomes unfeasible. We report a case of a young patient who presented with unresectable papillary thyroid carcinoma (PTC), and treatment with sorafenib allowed total thyroidectomy and RAI therapy...
May 17, 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29791655/accuracy-of-sentinel-lymph-node-mapping-in-detecting-occult-neck-metastasis-in-papillary-thyroid-carcinoma
#2
Jose Higino Steck, Elaine Stabenow, Gustavo Baldove Bettoni, Samuel Steck, Claudio Roberto Cernea
OBJECTIVES: The objectives of this study were to evaluate the following: 1) the accuracy of sentinel lymph node mapping (SLNM) in detecting metastasis in papillary thyroid carcinoma (PTC), and 2) if SLNM could modify the American Joint Committee on Cancer (AJCC) staging of previous cN0 PTC patients. SUBJECTS AND METHODS: Forty SLNM were performed prospectively in 38 consecutive cN0 PTC patients, with total thyroidectomy and elective compartment neck dissection (CND)...
May 17, 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29791034/high-expression-of-cd10-in-anaplastic-thyroid-carcinomas
#3
Tadao Nakazawa, Tetsuo Kondo, Huy Gia Vunong, Toru Odate, Masataka Kawai, Ippei Tahara, Kazunari Kasai, Tomohiro Inoue, Naoki Oishi, Kunio Mochizuki, Koichi Ito, Ryohei Katoh
AIMS: CD10 is an endopeptidase that degrades variable bioactive peptides in extra-cellular matrix. In addition to the enzymatic degradation, it affects multiple intra-cellular signal transduction pathways. CD10 expression has been extensively studied in human epithelial cancers of numerous organs and sites. However, its presence is not fully determined in thyroid carcinomas, especially in anaplastic thyroid carcinoma (ATC). METHODS AND RESULTS: We examined CD10 by immunohistochemistry (IHC) in 152 thyroid lesions: 9 adenomatous goiters (AGs) and 143 tumors including 47 anaplastic carcinomas...
May 23, 2018: Histopathology
https://www.readbyqxmd.com/read/29790216/decreased-expression-of-hsa_circ_0137287-predicts-aggressive-clinicopathologic-characteristics-in-papillary-thyroid-carcinoma
#4
Xiabin Lan, Jun Cao, Jiajie Xu, Chao Chen, Chuanming Zheng, Jiafeng Wang, Xuhang Zhu, Xin Zhu, Minghua Ge
BACKGROUND: Circular RNA (circRNA) is a new type of noncoding RNA that can serve as ideal biomarkers. Evidence has showed that circRNAs play an important role in carcinogenesis and cancer development. However, little is known about the diagnostic value of circRNAs in papillary thyroid carcinoma (PTC) as well as their associations with clinicopathologic characteristics of patients with PTC. METHODS: The expression levels of hsa_circ_0137287 were detected in 120 PTC and 60 adjacent noncancerous thyroid tissues by quantitative real-time polymerase chain reaction...
May 22, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29786427/diallyl-trisulfide-induces-apoptosis-of-human-papillary-thyroid-carcinoma-bcpap-cells-through-activating-mapk-signaling-pathway
#5
Jie Pan, Li Zhang, Shichen Xu, Xian Cheng, Huixin Yu, Jiandong Bao, Rong-Rong Lu
This study aimed to elucidate the potential effects of diallyl trisulfide (DATS) on human papillary thyroid carcinoma BCPAP cells and its underling mechanisms. DATS is one of the organosulfur compounds which derived from garlic. In this study, we demonstrated that compared to the solvent control, DATS treatment at concentrations of 5, 10 and 20 μΜ decreased cell survival rate of BCPAP cells to 84.51 ± 2.67%, 57.16 ± 1.18%, 41.22 ± 1.19% respectively. DATS also caused cell cycle arrest at G0/G1 phase and the proportion of cells arrested in G0/G1 phase rose from 68...
May 22, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29786126/prophylactic-central-compartment-neck-dissection-in-papillary-thyroid-cancer-and-effect-on-locoregional-recurrence
#6
David T Hughes, Jennifer E Rosen, Douglas B Evans, Elizabeth Grubbs, Tracy S Wang, Carmen C Solórzano
BACKGROUND: Prophylactic central compartment neck dissection (pCCND) in addition to total thyroidectomy (TT) includes removal of central compartment lymph nodes in the absence of clinical involvement on preoperative and intraoperative evaluation. The data regarding the influence of pCCND on oncologic outcomes and surgical complication rates is mixed and, therefore, is the focus of this analysis. METHODS: A systematic review of the literature on total thyroidectomy with prophylactic central compartment neck dissection (TT + pCCND) from January 1990 to October 2017 identified 221 abstracts of which 17 met inclusion criteria and were reviewed (1 randomized-control trial, 13 retrospective cohort studies, and 3 meta-analyses)...
May 21, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29781213/thyroid-microcalcifications-in-the-absence-of-identifiable-nodules-and-their-association-with-thyroid-cancer
#7
Carolina Whittle, Marisol García, Eleonora Horvath, Jeannie Slater, Carmen Carrasco
OBJECTIVES: To determine ultrasound (US) and clinical findings of thyroid microcalcifications in the absence of a nodule and their association with the risk of malignancy. METHODS: The Institutional Review Board approved a 5-year retrospective study. Twenty-one patients with clustered or scattered thyroid microcalcifications in the absence of nodules on US images who underwent fine-needle aspiration biopsies (FNABs) were included. Demographic and clinical data, US findings, and pathologic results were registered...
May 21, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29778126/is-parenteral-levothyroxine-therapy-safe-in-intractable-hypothyroidism
#8
Hande Peynirci, Bengur Taskiran, Erdinc Erturk, Pınar Sisman, Canan Ersoy
CASE: A 32-year old woman was admitted to the hospital due to intractable hypothyroidism refractory to high dose of oral l-thyroxine therapy. She underwent total thyroidectomy and radioactive iodine therapy due to papillary thyroid cancer. After excluding poor adherence to therapy and malabsorption, levothyroxine absorption test was performed. No response was detected. Transient neurologic symptoms developed during the test. She developed 3 attacks consisting of neurologic symptoms during high dose administration...
June 2018: Journal of the National Medical Association
https://www.readbyqxmd.com/read/29776698/transoral-videolaryngoscopic-surgery-for-papillary-carcinoma-arising-in-lingual-thyroid
#9
Chisato Mogi, Hirotaka Shinomiya, Natsumi Fujii, Tomoyuki Tsuruta, Naruhiko Morita, Tatsuya Furukawa, Masanori Teshima, Maki Kanzawa, Mitsuyoshi Hirokawa, Naoki Otsuki, Ken-Ichi Nibu
Carcinoma arising in lingual thyroid is an extremely rare entity accounting for only 1% of all reported ectopic thyroids. Here, we report a case of carcinoma arising in lingual thyroid, which has been successfully managed by transoral resection and bilateral neck dissections. A lingual mass 4-cm in diameter with calcification was incidentally detected by computed tomography at medical check-up. No thyroid tissue was observed in normal position. Ultrasound examination showed bilateral multiple lymphadenopathies...
May 15, 2018: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29775008/-skull-base-metastasis-from-differentiated-thyroid-carcinoma-3-cases-report-and-review-of-literature
#10
Z Chen, Q H Qiu, Q H Zhang, Z C Zhu, Y Peng, H Liu
Skull base metastasis from differentiated thyroid carcinoma (DTC), including papillary and follicular thyroid carcinoma, is a rare manifestation and easily misdiagnosed. In this study, we reported three cases whose initial clinical presentation was skull base metastasis complaints with the presence of silent primary sites. Based on the thyroid ultrasound and histopathology (identifying skull base and primary thyroid tumor), the final diagnoses of DTC metastasis to skull base were confirmed. Two patients underwent removal of metastasizing tumors in the skull base and primary thyroid cancer, and have respectively survived 58 months and 4 months since then...
June 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29774315/retrospective-analysis-of-patients-with-synchronous-primary-breast-and-thyroid-carcinoma
#11
İlker Murat Arer, Hakan Yabanoğlu, Murat Kuş, Aydıncan Akdur, Tevfik Avcı
Objective: Breast and thyroid cancers are commonly encountered malignancies. Increased risk of breast cancer in follow-up period of thyroid cancer or vice versa has been reported. However, they have some associations, synchronous presentation of these tumors is rare. We presented 12 patients diagnosed as breast and thyroid cancer and treated at the same time. Materials and Methods: Mastectomy and thyroidectomy were performed in 19 patients at the same time. 7 patients were excluded because of benign thyroid pathology...
April 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29768715/differentiated-thyroid-cancer-in-children-heterogeneity-of-predictive-risk-factors
#12
Marco Russo, Pasqualino Malandrino, Mariacarla Moleti, Francesco Vermiglio, Antonio D'Angelo, Giuliana La Rosa, Giulia Sapuppo, Francesca Calaciura, Concetto Regalbuto, Antonino Belfiore, Riccardo Vigneri, Gabriella Pellegriti
OBJECTIVE: To correlate clinical and pathological characteristics at diagnosis with patient long-term outcomes and to evaluate ongoing risk stratifications in a large series of paediatric differentiated thyroid cancers (DTC). STUDY DESIGN: Retrospective analysis of clinical and pathological prognostic factors of 124 paediatric patients with DTC (age at diagnosis <19 years) followed up for 10.4 ± 8.4 years. Patients with a follow-up >3 years (n = 104) were re-classified 18 months after surgery on the basis of their response to therapy (ongoing risk stratification)...
May 16, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29768105/identification-of-a-recurrent-lmo7-braf-fusion-in-papillary-thyroid-carcinoma
#13
Huiling He, Wei Li, Pearlly Yan, Ralf Bundschuh, Jackson A Killian, Jadwiga Labanowska, Pamela Brock, Rulong Shen, Nyla A Heerema, Albert de la Chapelle
BACKGROUND: The BRAFV600E mutation is the most common driver in papillary thyroid carcinoma (PTC) tumors. In recent years, gene fusions have also been recognized as important drivers of cancer in PTC. Previous studies have suggested that thyroid tumors with fusion genes frequently display an aggressive course. These observations prompted further exploration of gene fusions in PTC tumors. The aim was to search for previously unrecognized gene fusions using thyroid tissue samples from PTC patients...
May 16, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29767243/inhibitory-roles-of-mir%C3%A2-9-on-papillary-thyroid-cancer-through-targeting-braf
#14
Yi Gu, Nan Yang, Leping Yin, Chao Feng, Tong Liu
MicroRNA‑9 (miR‑9) is reported to be underexpressed in papillary thyroid carcinoma (PTC) tissues; however, the molecular mechanisms underlying the implication of miR‑9 in PTC have yet to be elucidated. The present study aimed to explore the potential roles of miR‑9 in PTC. PTC tissue samples and paired non‑cancerous adjacent tissues were collected from 60 patients with PTC. The human TPC‑1 thyroid gland papillary carcinoma cell line was used to investigate the molecular mechanisms underlying the roles of miR‑9 in PTC...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29767230/competing-endogenous-rna-regulatory-network-in-papillary-thyroid-carcinoma
#15
Shouhua Chen, Xiaobin Fan, He Gu, Lili Zhang, Wenhua Zhao
The present study aimed to screen all types of RNAs involved in the development of papillary thyroid carcinoma (PTC). RNA‑sequencing data of PTC and normal samples were used for screening differentially expressed (DE) microRNAs (DE‑miRNAs), long non‑coding RNAs (DE‑lncRNAs) and genes (DEGs). Subsequently, lncRNA‑miRNA, miRNA‑gene (that is, miRNA‑mRNA) and gene‑gene interaction pairs were extracted and used to construct regulatory networks. Feature genes in the miRNA‑mRNA network were identified by topological analysis and recursive feature elimination analysis...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29766739/lingual-thyroid-carcinoma-a-case-report-and-review-of-surgical-approaches-in-the-literature
#16
William Stokes, Eric Interval, Rusha Patel
INTRODUCTION: Lingual thyroid cancer is a rare entity with a paucity of literature guiding methods of surgical treatment. Its location presents anatomic challenges with access and excision. OBJECTIVE: We present a case of T4aN1b classical variant papillary thyroid carcinoma of the lingual thyroid that was removed without pharyngeal entry. We also present a review of the literature of this rare entity and propose a treatment algorithm to provide safe and oncologic outcomes...
May 1, 2018: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/29764888/assessment-of-thyroid-cancer-risk-associated-with-radiation-dose-from-personal-diagnostic-examinations-in-a-cohort-study-of-us-radiologic-technologists-followed-1983-2014
#17
Mark P Little, Hyeyeun Lim, Melissa C Friesen, Dale L Preston, Michele M Doody, Alice J Sigurdson, Gila Neta, Bruce H Alexander, Lienard A Chang, Elizabeth K Cahoon, Steven L Simon, Martha S Linet, Cari M Kitahara
OBJECTIVE: To assess whether personal medical diagnostic procedures over life, but particularly those associated with exposure in adulthood, were associated with increased thyroid cancer risk. DESIGN: Participants from the US Radiologic Technologists Study, a large, prospective cohort, were followed from the date of first mailed questionnaire survey completed during 1983-1989 to the earliest date of self-reported diagnosis of thyroid cancer or of any other cancer than non-melanoma skin cancer (NMSC) in any of three subsequent questionnaires up to the last in 2012-2014...
May 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29760786/ultrasound-criteria-for-risk-stratification-of-thyroid-nodules-in-the-previously-iodine-deficient-area-of-austria-a-single-centre-retrospective-analysis
#18
Christina Tugendsam, Veronika Petz, Wolfgang Buchinger, Brigitta Schmoll-Hauer, Iris Pia Schenk, Karin Rudolph, Michael Krebs, Georg Zettinig
Background: We aimed to study the validity of six published ultrasound criteria for risk stratification of thyroid nodules in the former severely iodine deficient population of Austria. Methods: Retrospective, single centre, observer blinded study design. All patients with a history of thyroidectomy due to nodules seen in the centre between 2004 and 2014 with preoperative in-house sonography and documented postoperative histology were analyzed ( n  = 195). A board of five experienced thyroidologists evaluated the images of 45 papillary carcinomas, 8 follicular carcinomas, and 142 benign nodules regarding the following criteria: mild hypoechogenicity, marked hypoechogenicity, microlobulated or irregular margins, microcalcifications, taller than wide shape, missing thin halo...
2018: Thyroid Research
https://www.readbyqxmd.com/read/29760568/co-existence-of-braf-v600e-and-tert-promoter-mutations-in-papillary-thyroid-carcinoma-is-associated-with-tumor-aggressiveness-but-not-with-lymph-node-metastasis
#19
Haoyu Ren, Yifan Shen, Daixing Hu, Wei He, Jing Zhou, Yijia Cao, Yu Mao, Yi Dou, Wei Xiong, Qi Xiao, Yuhong Zhang, Xinliang Su
Background: Mutations of BRAF V600E and TERT promoters are associated with thyroid cancer development. This study further investigated association of these mutations with clinicopathological characteristics from patients with papillary thyroid carcinoma (PTC). Methods: Tumor tissues from 342 PTC patients were obtained for DNA extraction and polymerase chain reaction amplification to detect the BRAF V600E mutation using amplification-refractory mutation system-polymerase chain reaction...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29757257/mtor-pathway-in-papillary-thyroid-carcinoma-different-contributions-of-mtorc1-and-mtorc2-complexes-for-tumor-behavior-and-slc5a5-mrna-expression
#20
Catarina Tavares, Catarina Eloy, Miguel Melo, Adriana Gaspar da Rocha, Ana Pestana, Rui Batista, Luciana Bueno Ferreira, Elisabete Rios, Manuel Sobrinho Simões, Paula Soares
The mammalian target of rapamycin (mTOR) pathway is overactivated in thyroid cancer (TC). We previously demonstrated that phospho-mTOR expression is associated with tumor aggressiveness, therapy resistance, and lower mRNA expression of SLC5A5 in papillary thyroid carcinoma (PTC), while phospho-S6 (mTORC1 effector) expression was associated with less aggressive clinicopathological features. The distinct behavior of the two markers led us to hypothesize that mTOR activation may be contributing to a preferential activation of the mTORC2 complex...
May 13, 2018: International Journal of Molecular Sciences
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