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papillary thyroid microcarcinoma

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https://www.readbyqxmd.com/read/28535653/-clinical-pathological-characteristics-of-resectable-papillary-thyroid-microcarcinoma
#1
C L Shi, Y Guo, Y C Lyu, Z A B Y S Nanding, W C Gao, T F Shi, H D Qin, S Y Liu
Objective: To investigate the difference of prognostic factors and recurrence rates between papillary thyroid microcarcinoma (PTMC) and lager papillary thyroid carcinoma (PTC) and analyze the clinical pathological characteristics of PTMC suitable for surgery. Methods: A retrospective analysis on the clinicopathological features, expression level of of v-raf murine sarcoma viral oncogene homolog B1 (BRAF) V600E gene mutation and pigment epithelium-derived factor (PEDF), and postoperative follow-up results of the 251 PTC patients who underwent surgical treatment from October 2011 to October 2013, including 169 cases with PTMC and 82 with lager PTC (Tumor diameter>1 cm)...
May 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28534700/risk-factors-for-lymph-node-metastasis-lnm-in-patients-with-papillary-thyroid-microcarcinoma-ptmc-role-of-preoperative-ultrasound
#2
Cheng Zhao, Wenbin Jiang, Yuxiu Gao, Weidong Niu, Xiaojuan Zhang, Lei Xin
Objective This study aimed to investigate the risk factors and clinical value of lymph node metastasis (LNM) and missed central lymph node metastasis (CLNM) using preoperative ultrasound (US) in patients with papillary thyroid microcarcinoma (PTMC). Methods This retrospective study included 521 patients who underwent thyroidectomy for confirmed PTMC based on a final histological examination between January 2014 and June 2015. Based on the presence of LNM, 521 cases were divided into two groups: metastasis (218) and non-metastasis (303)...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28521457/expression-of-nm23-h1-and-cox-2-in-thyroid-papillary-carcinoma-and-microcarcinoma
#3
Marija Milkovic Perisa, Bozena Sarcevic, Koraljka Gall Troselj, Kresimir Grsic, Sanda Sitic, Sven Seiwerth
The expression of non-metastatic expressed/non-metastatic 23 nucleoside diphosphate kinase 1 (nm23-H1) and cyclooxygenase 2 (COX-2) proteins in thyroid carcinoma have been analysed in a number of previous studies, but this requires further study. The current study focused on the expression levels of nm23-H1 and COX-2 in 130 human thyroid papillary carcinoma (PTC) tissues. Of the 130 PTC tissues, 55 were classified as microcarcinoma and may provide information on the development of the specific characteristics of this tumour type...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28513849/surgical-considerations-for-papillary-thyroid-microcarcinomas
#4
REVIEW
Laura Boucai, Victor Bernet, Ashok Shaha, Maisie L Shindo, Brendan C Stack, Robert M Tuttle
We reevaluate current treatment recommendations of papillary thyroid microcarcinomas taking into account the indolent behavior of these tumors, and the potential morbidity that may result from an unnecessary surgery. The goals of this communication are to: 1) provide surgeons and endocrinologists with the most up-to-date evidence on management of microcarcinomas, 2) outline appropriate instances for active surveillance, and 3) describe the role of surgical interventions for microcarcinomas including lobectomy, total thyroidectomy, and central neck dissection...
May 17, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28513128/clinical-features-of-recently-diagnosed-papillary-thyroid-carcinoma-in-elderly-patients-aged-65-and-older-based-on-10-years-of-sonographic-experience-at-a-single-institution-in-korea
#5
Eun Sil Kim, Younghen Lee, Hyungsuk Seo, Gil Soo Son, Soon Young Kwon, Young-Sik Kim, Ji-A Seo, Nan Hee Kim, Sang-Il Suh, Inseon Ryoo, Sung-Hye You
Purpose: The aim of this study was to assess the characteristics of papillary thyroid carcinoma (PTC) in patients aged 65 and older in order to predict postoperative recurrence based on the results of ultrasonographic surveillance. Methods: Among 1,494 patients (200 male and 1,294 female; mean age, 46.6±11.3 years) who underwent surgery for thyroid cancer at our institution between 2006 and 2015, we retrospectively enrolled 150 PTC patients (29 male and 121 female; mean age, 69...
April 13, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28506415/risk-of-malignancy-in-thyroid-nodules-classified-as-tir-3a-what-therapy
#6
Fabio Medas, Enrico Erdas, Luca Gordini, Giovanni Conzo, Claudio Gambardella, Gian Luigi Canu, Giuseppe Pisano, Angelo Nicolosi, Pietro Giorgio Calò
BACKGROUND: The aim of the present study was to assess the clinical applicability of the TIR3A category in managing thyroid nodules, to examine the malignancy rates of TIR 3A and TIR 3B nodules, and to suggest management guidelines for these nodules. MATERIALS AND METHODS: Thyroid cytologies performed in patients referred to our Department between January 2014 and August 2016 were classified according to the guidelines published by the SIAPEC. 102 cases were included in this retrospective study and were divided into two groups: 19 TIR3A were included in group A and 83 TIR3B in group B...
May 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28506411/partial-thyroidectomy-for-papillary-thyroid-microcarcinoma-is-completion-total-thyroidectomy-indicated
#7
C Dobrinja, M Pastoricchio, M Troian, F Da Canal, S Bernardi, B Fabris, N de Manzini
AIM: Papillary thyroid microcarcinoma (PTMC) is increasing in incidence. Despite its excellent clinical outcomes, there is still debate regarding which surgical approach is more appropriate for PTMC, procedures including hemithyroidectomy (HT), total thyroidectomy (TT), and completion thyroidectomy (CT) after initial HT and histopathologic examination confirming a PTMC. Here we report our experience in the surgical management of PTMC. METHODS: We conducted a retrospective evaluation of all patients who received a postoperative diagnosis of PTMC between January 2001 and January 2016...
May 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28500312/total-tumour-diameter-is-superior-to-unifocal-diameter-as-a-predictor-of-papillary-thyroid-microcarcinoma-prognosis
#8
Chunping Liu, Shuntao Wang, Wen Zeng, Yawen Guo, Zeming Liu, Tao Huang
The current American Joint Committee (AJCC) on Cancer TNM classification does not describe the treatment of multifocal papillary thyroid microcarcinomas (PTMCs) with a total tumour diameter (TTD) >1 cm. Herein, we investigated this PTMC subgroup in terms of extrathyroidal extension (ETE), local infiltration, central lymph node metastasis (LNM), and prognosis. Consecutive patients (n = 1102) were identified and the proportions of LNM, ETE, and local infiltration were similar between PTCs with a unifocal tumour diameter >1 cm and ≤2 cm and PTMCs with a multifocal TTD >1 cm and ≤2 cm...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28476312/identification-of-risk-factors-of-central-lymph-node-metastasis-and-evaluation-of-the-effect-of-prophylactic-central-neck-dissection-on-migration-of-staging-and-risk-stratification-in-patients-with-clinically-node-negative-papillary-thyroid-microcarcinoma
#9
Jiru Yuan, Jinghua Li, Xiaoyi Chen, Xiaodong Lin, Jialin Du, Gang Zhao, Zhengbo Chen, Zeyu Wu
OBJECTIVE: The first aim of this study was to explore the risk factors that were associated with central lymph node metastasis (CLNM) in patients with clinically node-negative papillary thyroid microcarcinoma (cN0 PTMC) after prophylactic central neck dissection (PCND). The second aim was to evaluate the influence of PCND on migration of TNM staging and risk stratification (RS) in patients with cN0 PTMC. METHODS: A total of 295 cN0 PTMC patients who underwent thyroidectomy with PCND in the Department of General Surgery at Guangdong General Hospital between March 2014 to December 2015 were assessed retrospectively...
May 2, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28454296/association-between-braf-v600e-mutation-and-the-clinicopathological-features-of-solitary-papillary-thyroid-microcarcinoma
#10
Hai-Zhen Lu, Tian Qiu, Jian-Ming Ying, Ning Lyn
The B-Raf proto-oncogene serine/threonine kinase (BRAF)(V600E) mutation is an important oncogene in the development of papillary thyroid carcinoma (PTC) and has been identified as a risk factor for poor prognosis in patients with PTC. However, whether the BRAF(V600E) mutation is a prognostic marker in patients with solitary papillary thyroid microcarcinoma (sPTMC) has not yet been established. The present study aimed to identify the association between BRAF(V600E) mutation and the clinicopathological features of patients with sPTMC...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28448763/analysis-of-postoperative-ultrasonography-surveillance-after-hemithyroidectomy-in-patients-with-papillary-thyroid-microcarcinoma-a-multicenter-study
#11
Hye Jin Baek, Dong Wook Kim, Chang Yoon Lee, Jung Yin Huh, Jin Yong Sung, Yoon Jung Choi
OBJECTIVE: The optimal follow-up interval for postoperative ultrasonography (US) surveillance after hemithyroidectomy in patients with papillary thyroid microcarcinoma (PTMC) is unclear. The purpose of this study was to evaluate the prevalence of tumor recurrence/persistence and to investigate the appropriateness of postoperative US surveillance in PTMC patients who underwent hemithyroidectomy. METHODS: Our institutional review board approved this retrospective study...
April 27, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28441803/-factors-for-lymph-node-metastasis-and-survival-rate-in-papillary-thyroid-microcarcinoma-from-a-large-cohort-of-3-607-cases-series
#12
L Xu, Y N Xu, J D Wang
Objective: To investigate high-risk factors for lymph node metastasis (LNM) and 10-year survival rate in patients with papillary thyroid microcarcinoma (PTMC). Methods: We retrospectively analyzed the clinical data of 3 607 patients with PTMC received surgery in our hospital from January 2005 to December 2015. Univariate and multivariate analyses were performed to identify the factors associated with metastasis and 10-year survival rate of the patients was calculated. Results: The patients accepted an average follow-up of 68 months, with follow-up from 18 to 138 months...
April 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/28436762/use-of-dietary-vitamin-supplements-and-risk-of-thyroid-cancer-a-population-based-case-control-study-in-connecticut
#13
Christopher Kim, Huang Huang, Nan Zhao, Catherine C Lerro, Min Dai, Yingtai Chen, Ni Li, Shuangge Ma, Robert Udelsman, Yawei Zhang
Certain dietary supplements have been reported to increase the risk of some cancers. Over half of the US population regularly uses dietary supplements. Thyroid cancer incidence has increased over the past several decades. However, few studies have investigated the association between dietary supplements and thyroid cancer. Thus, it is essential to clarify any association between dietary supplements and risk of thyroid cancer. MATERIALS AND METHODS: A population-based case-control study in Connecticut was conducted during 2010-2011 among 462 histologically confi rmed incident thyroid cancer cases and 498 population-based controls...
April 24, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/28432675/transoral-thyroidectomy-advantages-and-limitations
#14
G Dionigi, R P Tufano, J Russell, H Y Kim, E Piantanida, A Anuwong
In this opinion paper of the Journal of Endocrinological Investigation, leading experts in the field report on their current clinical experience with a novel approach for thyroid gland surgery, namely, "transoral thyroidectomy" (TOT). This feasible and novel surgical procedure does not require visible incisions and is, therefore, a truly scarless surgery. Patients meeting the following criteria can be considered as candidates for TOT: (a) an ultrasonographically (US) estimated thyroid diameter ≤10 cm; (b) US-estimated gland volume ≤45 mL; (c) nodule size ≤50 mm; (d) presence of a benign tumor such as a thyroid cyst or a single- or multi-nodular goiter; (e) Bethesda 3 and/or 4 category and (f) papillary microcarcinoma without the evidence of metastasis...
April 21, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28432268/clinical-outcomes-after-delayed-thyroid-surgery-in-patients-with-papillary-thyroid-microcarcinoma
#15
Min Ji Jeon, Won Gu Kim, Hyemi Kwon, Mijin Kim, Suyeon Park, Hye-Seon Oh, Minkyu Han, Tae-Yon Sung, Ki-Wook Chung, Suck Joon Hong, Tae Yong Kim, Young-Kee Shong, Won Bae Kim
OBJECTIVE: Active surveillance is an option for patients with papillary thyroid microcarcinoma (PTMC). However, the long-term clinical outcomes after delayed surgery remain unclear. We compared the long-term clinical outcomes of PTMC patients according to the time interval between initial diagnosis and surgery. DESIGN & METHODS: In this individual risk factor-matched cohort study, PTMC patients were classified into three groups according to the delay period: ≤ 6 months, 6-12 months, and > 12 months...
April 21, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28419171/ultrasound-texture-analysis-association-with-lymph-node-metastasis-of-papillary-thyroid-microcarcinoma
#16
Soo-Yeon Kim, Eunjung Lee, Se Jin Nam, Eun-Kyung Kim, Hee Jung Moon, Jung Hyun Yoon, Kyung Hwa Han, Jin Young Kwak
This retrospective study aimed to evaluate whether ultrasound texture analysis is useful to predict lymph node metastasis in patients with papillary thyroid microcarcinoma (PTMC). This study was approved by the Institutional Review Board, and the need to obtain informed consent was waived. Between May and July 2013, 361 patients (mean age, 43.8 ± 11.3 years; range, 16-72 years) who underwent staging ultrasound (US) and subsequent thyroidectomy for conventional PTMC ≤ 10 mm between May and July 2013 were included...
2017: PloS One
https://www.readbyqxmd.com/read/28405949/transoral-endoscopic-thyroidectomy-preliminary-experience-in-italy
#17
Gianlorenzo Dionigi, Alessandro Bacuzzi, Matteo Lavazza, Davide Inversini, Luigi Boni, Stefano Rausei, Hoon Yub Kim, Angkoon Anuwong
Transoral endoscopic thyroidectomy vestibular approach (TOETVA) is a feasible novel surgical procedure that does not need visible incisions. We describe our initial experience with TOETVA. We recruited 15 patients who were willing to undergo TOETVA. Inclusion criteria were (a) patients who had a neck ultrasound (US) with a estimated thyroid diameter not larger than 10 cm; (b) US estimated gland volume ≤45 mL; (c) nodule size ≤50 mm; (d) a benign tumor, such as a thyroid cyst, single-nodular goiter, or multinodular goiter; (e) follicular neoplasm; (f) papillary microcarcinoma without evidence of metastasis...
April 12, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28365958/lymph-node-metastases-in-clinically-n0-patients-with-papillary-thyroid-microcarcinomas-a-single-institution-experience
#18
Merima Goran, Tatjana Pekmezovic, Ivan Markovic, Nada Santrac, Marko Buta, Dusica Gavrilovic, Nikola Besic, Yasuhiro Ito, Igor Djurisic, Gordana Pupic, Radan Dzodic
PURPOSE: To register the frequency of central and lateral lymph node metastases (LNMs) from papillary thyroid microcarcinomas (PTMCs), and to assess whether sentinel lymph node (SLN) biopsy of the lateral compartment is an accurate technique to select patients with true positive but clinically negative lymph nodes for one-time selective lateral neck dissection (sLND). The correlation between tumor characteristics (size, multifocality, bilaterality, capsular invasion) and LNMs was analyzed...
January 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28351086/independent-risk-factors-predicting-central-lymph-node-metastasis-in-papillary-thyroid-microcarcinoma
#19
Xiaolong Yu, Xuejia Song, Wenhai Sun, Shihua Zhao, Jiajun Zhao, Yan-Gang Wang
The incidence of papillary thyroid microcarcinoma (PTMC) has risen rapidly in recent years, and PTMC patients with central lymph node metastasis (CLNM) usually have poor prognosis. Independent risk factors predicting CLNM in PTMC have not been well understood. The aim of our study was to identify useful clinicopathological risk factors predicting CLNM in PTMC patients. This was a retrospective study of 917 patients with PTMC treated with surgery from January 2014 to December 2015 in our hospital. The relationship between clinicopathological factors and CLNM was analyzed to identify those factors predicting CLNM in PTMC...
March 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28343733/low-risk-papillary-microcarcinoma-of-the-thyroid-a-review-of-active-surveillance-trials
#20
REVIEW
Y Ito, A Miyauchi, H Oda
Papillary microcarcinoma (PMC) of the thyroid is defined as papillary thyroid carcinoma (PTC) measuring ≤1 cm. Many autopsy studies on subjects who died of non-thyroidal diseases reported latent small thyroid carcinoma in up to 5.2% of the subjects. A mass screening study for thyroid cancer in Japanese adult women detected small thyroid cancer in 3.5% of the examinees. This incidence was close to the incidence of latent thyroid cancer and more than 1000 times the prevalence of clinical thyroid cancer in Japanese women reported at that time...
March 16, 2017: European Journal of Surgical Oncology
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