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thyroid papillary carcinoma

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https://www.readbyqxmd.com/read/28636557/surgical-management-for-follicular-variant-of-papillary-thyroid-carcinoma
#1
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
#2
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/28635216/-ret-ptc-rearrangement-affects-multifocal-formation-of-papillary-thyroid-carcinoma
#3
X Zhang, X Su, W C Chen, Y Li, Z Y Yang, W Z Deng, T C Deng, A K Yang
Objective:RET/PTC gene rearrangement can lead to aberrant activation of tyrosine kinase receptors, which is a common mutation in papillary thyroid carcinoma (PTC). This study focuses on the association of RET/PTC rearrangements with PTC clinical factors. Methods: From January 2011 to December 2013, a total of 114 patients with PTC were enrolled in this study. Clinicopathological parameters, lifestyle, and thyroid hormone levels were collected. RET/PTC rearrangements were detected by TaqMan PCR and verified by Sanger sequencing...
June 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28635213/-risk-factors-for-central-neck-lymph-node-metastases-of-papillary-thyroid-carcinoma
#4
Y S Sun, H J Lyu, Y R Zhao, S S Zhang, Y X Bai, B Y Shi
Objective: To investigate the impact factors for central neck lymph node metastases(CLNM) of papillary thyroid carcinoma(PTC). Methods: A total of 498 patients with PTC who underwent total or hemi-thyroidectomy plus central neck lymph node dissection between January 2014 and July 2016 were included. Univariate and multivariate analyses were performed to identify clinicopathological characteristics, thyroid function parameters and US findings that associated with CLNM of PTC. A nomogram was developed to predict the probability of CLNM...
June 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28635212/-clinical-features-of-postoperative-cervical-lymph-nodes-recurrence-in-papillary-thyroid-carcinoma
#5
Y Y He, B Zhang, Y B Zhang, Z G Xu, P Z Tang
Objective: To analyse the postoperative metastasis or recurrence of cervical lymph nodes in individual neck levels for papillary thyroid carcinoma and to evaluate the outcomes and complications of re-surgery. Methods: A retrospective cohort study of 259 patients who underwent lymph node dissection for PTC relapse from January 2010 to June 2011. Lymph node metastases in each of neck levels were detected, postoperative complications were evaluated, and the patients were followed up with examining thyroglobulin levels to assess the therapeutic effect...
June 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28633426/atypical-histiocytoid-cells-in-metastatic-papillary-thyroid-carcinoma-an-underrecognized-cytologic-pattern
#6
Mariana Canepa, Tarik M Elsheikh, Debra A Sabo, Ashley M Kolosiwsky, Jordan P Reynolds
Objectives: Fine-needle aspiration (FNA) of head and neck lymph nodes (LNs) is useful in diagnosing metastatic papillary thyroid carcinoma (PTC) and most commonly shows classic cytologic features of PTC. Metastatic PTC, however, may occasionally present with a pattern unfamiliar to most pathologists: atypical histiocytoid cells (AHCs). Methods: All PTC thyroidectomy specimens with associated FNA of LNs were retrieved from our files for 2007 to 2013. We aimed to assess cytologic features of metastatic PTC, as well as the presence of AHCs and their morphology...
June 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28631713/-braf-positive-paucicellular-variant-of-anaplastic-carcinoma-in-the-presence-of-tall-cell-variant-papillary-thyroid-cancer
#7
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/28631629/poorly-differentiated-thyroid-carcinoma-a-hospital-based-clinicopathological-study-and-review-of-literature
#8
Thin Thin Win, Nor Hayati Othman, Irfan Mohamad
INTRODUCTION: Poorly differentiated thyroid carcinoma (PDTC) is a rare aggressive malignancy of thyroid follicular cells and has unique features in morphology and behavior. This study was aimed to describe the experience of a tertiary medical center with PDTC within a 10-year period. MATERIALS AND METHODS: This is a descriptive retrospective study of eight cases of PDTC among 418 various thyroid carcinomas. All cases of PDTC were retrieved along with the clinicopathological information...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28631628/the-absence-of-cd56-expression-can-differentiate-papillary-thyroid-carcinoma-from-other-thyroid-lesions
#9
Ioana Golu, Mihaela Maria Vlad, Alis Dema, Lavinia Cristina Moleriu, Anca Tudor, Mihaela Iacob, Oana Popa, Marioara Cornianu
CONTEXT: The neural cell adhesion molecule CD56 is an antigen important for the differentiation of the follicular epithelium. Recent studies have reported low or absent expression of CD56 in papillary thyroid carcinoma (PTC) and its presence in normal thyroid tissue, benign thyroid lesions, and most follicular non-PTC tumors. AIM: We wish to estimate the value of CD56 in the differentiation of PTC (including follicular variant-PTC [FV-PTC]) from other nontumoral lesions and follicular thyroid neoplasias...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28629253/insights-into-the-management-of-papillary-microcarcinoma-of-the-thyroid
#10
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/28625809/influence-of-chronic-lymphocytic-thyroiditis-on-the-risk-of-persistent-and-recurrent-disease-in-patients-with-papillary-thyroid-carcinoma-and-elevated-antithyroglobulin-antibodies-after-initial-therapy
#11
Marina Carvalho S Côrtes, Pedro Weslley Rosario, Gabriela Franco Mourão, Maria Regina Calsolari
INTRODUCTION: In patients with papillary thyroid carcinoma who have negative serum thyroglobulin after initial therapy, the risk of structural disease is higher among those with elevated antithyroglobulin antibodies compared to patients without antithyroglobulin antibodies. Other studies suggest that the presence of chronic lymphocytic thyroiditis is associated with a lower risk of persistence/recurrence of papillary thyroid carcinoma. OBJECTIVE: This prospective study evaluated the influence of chronic lymphocytic thyroiditis on the risk of persistence and recurrence of papillary thyroid carcinoma in patients with negative thyroglobulin but elevated antithyroglobulin antibodies after initial therapy...
June 2, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28624039/the-total-number-of-prelaryngeal-and-pretracheal-lymph-node-metastases-is-it-a-reliable-predictor-of-contralateral-central-lymph-node-metastasis-in-papillary-thyroid-carcinoma
#12
Qiang Chen, Tao Wei, Xun-Li Wang, Zhi-Hui Li, Zhen-Hong Du, Jing-Qiang Zhu
BACKGROUND: Central lymph node (CLN) metastasis in papillary thyroid carcinoma (PTC) is common and being able to predict CLN metastasis helps surgeons determine individualized therapy. However, the relationship between contralateral CLN metastasis and the total number of positive lymph nodes (LNs) in the combined prelaryngeal and pretracheal region remains unclear. This study aimed to investigate whether the total number of positive LNs in the combined prelaryngeal and pretracheal region has clinical significance as a predictor for contralateral CLN metastasis...
June 15, 2017: Journal of Surgical Research
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
#13
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/28618063/papillary-thyroid-carcinoma-expressing-cd20
#14
Yuya Sasaki, Masao Seto, Hiroaki Miyoshi, Shinya Okada, Shintaro Yokoyama, Akira Ohshima, Koichi Ohshima
We identified a case of lymphadenopathy of metastatic papillary thyroid carcinoma (PTC) with CD20 expression, which was also expressed by the primary tumor. CD20 expression was identified using immunohistochemistry (IHC) in metastatic PTC biopsy samples from a 58-year-old woman. CD20 expression was initially determined using a CD20-recognizing L26 clone. To validate this phenomenon, we performed IHC with another antibody that recognizes the N-terminus of CD20 and fluorescent double staining using anti-TTF-1 and anti-CD20 antibodies...
June 15, 2017: Pathology International
https://www.readbyqxmd.com/read/28617334/the-molecular-effect-of-diagnostic-absorbed-doses-from-131-i-on-papillary-thyroid-cancer-cells-in-vitro
#15
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
https://www.readbyqxmd.com/read/28614984/tert-promoter-mutations-were-not-found-in-papillary-thyroid-microcarcinomas-that-showed-disease-progression-on-active-surveillance
#16
Tomonori Yabuta, Michiko Matsuse, Mitsuyoshi Hirokawa, Shunichi Yamashita, Norisato Mitsutake, Akira Miyauchi
BACKGROUND: Papillary thyroid carcinoma (PTC) generally has an indolent course, and non-operative management is acknowledged for papillary thyroid microcarcinoma (PTMC). However, some PTMCs progress and we cannot predict future progression at their presentation. BRAF and TERT promoter mutations were recently reported to be associated with poor outcomes of PTC. Here we sought to determine whether these mutations are associated with the progression of PTMCs, toward the goal of predicting progression/nonprogression...
June 14, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28614242/lymph-node-metastasis-characteristics-of-papillary-thyroid-carcinoma-located-in-the-isthmus-a-single-center-analysis
#17
Genpeng Li, Jianyong Lei, Qian Peng, Ke Jiang, Wenjie Chen, Wanjun Zhao, Zhihui Li, Rixiang Gong, Tao Wei, Jingqiang Zhu
The frequency and pattern of lymph node metastasis and the extent of dissection for isthmic papillary thyroid carcinoma (PTC) remain unclear, and the aim of this present study was to evaluate these characteristics and to attempt to detect the best surgical protocol for isthmic PTCs. A total of 3185 consecutive patients with PTCs were reviewed. Of these patients, 47 with a single isthmic PTC were enrolled in our study, and matched 47 patients with a single PTC located in the unilateral lobe were randomly selected and added for comparison of their baseline tumor characteristics and lymph node metastasis characteristics...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28614134/value-of-99mtc-mibi-spect-ct-parathyroid-imaging-and-ultrasonography-for-concomitant-thyroid-carcinoma
#18
Rui Guo, Jiqiu Wang, Min Zhang, Miao Zhang, Hongping Meng, Yifan Zhang, Biao Li
PURPOSE: We aimed to assess the frequency of carcinoma in cases with suspected parathyroid adenoma and test the value of Tc-methoxyisobutylisonitrile (Tc-MIBI) single-photon emission computed tomography/computed tomography (SPECT/CT) parathyroid imaging and neck ultrasonography in detecting concomitant thyroid carcinoma. PATIENTS AND METHODS: We enrolled 741 patients with clinically suspected parathyroid adenoma who underwent Tc-MIBI planer scans and SPECT/CT of the skull base, neck, and thorax; patients also underwent ultrasonography within 1 month before SPECT/CT...
June 13, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28612612/-molecular-aspects-of-thyroid-tumors-with-emphasis-on-microrna-and-their-clinical-implications
#19
M Ludvíková, I Kholová, D Kalfeřt
BACKGROUND: Central to neoplastic transformation and tumor progression is alteration of the signaling pathways that control cell proliferation and apoptosis. The key mechanisms for this neoplastic process are genetic changes (mutations of cancer-related genes) and recently identified epigenetic changes that involve DNA methylation, chromatin remodeling (which has a profound effect on the control of gene expression), and noncoding, regulatory RNA (notably, microRNA - miRNA). MiRNAs control expression of their target gene post-transcriptionally...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28612210/surgical-approach-to-level-vi-in-papillary-thyroid-carcinoma-an-overview
#20
REVIEW
Carmela De Crea, Marco Raffaelli, Luca Sessa, Celestino Pio Lombardi, Rocco Bellantone
One of the most controversial issues in the treatment of thyroid cancer is the management of the central neck nodes in patients with papillary thyroid carcinoma (PTC). Lymph node involvement is common in patients with PTC and it may negatively affect recurrence rate and, probably, survival. Although therapeutic compartment-oriented central neck dissection is the standard treatment for patients with clinical nodal involvement (cN1) PTC, the role and the extension for elective or prophylactic central neck dissection (PCND) in patients with clinically node negative (cN0) neoplasms remains controversial...
June 13, 2017: Updates in Surgery
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