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https://www.readbyqxmd.com/read/30018751/papillary-thyroid-microcarcinoma-black-ink
#1
Ersilio Trapanese, Carmine De Bartolomeis, Basilio Angrisani, Giulio Tarro
We report a case of a 58-year-old Caucasian woman affected by papillary thyroid microcarcinoma (PTMC) of the left-lobe of the gland with very small size (Ø 0.3 cm). The characteristics with the Diagnostic Imaging using Ultrasonography, ADF (Advanced Dynamic Flow), and fine-needle-aspiration cytology (FNAC) are discussed, comprising a very small micro-focus of radial shape, with markedly hypoechoic echostructure, irregular margins, supplemented by peripheral vessel formation. It acquires an image which appears similar to a brisk visualization of a dark ink stain in the normal thyroid weave...
June 26, 2018: Oncotarget
https://www.readbyqxmd.com/read/30011352/immediate-impact-of-percutaneous-transvenous-mitral-commisurotomy-on-right-ventricle-longitudnal-strain-in-patients-of-mitral-stenosis
#2
Roopali Khanna, Arvind S Raghuvanshi, Sudeep Kumar, Naveen Garg, Satyendra Tewari, Aditya Kapoor, Pravin K Goel
BACKGROUND: Right ventricular (RV) function has prognostic value in terms of survival and symptoms in patients with mitral stenosis (MS). The aim of the study was to assess RV function by strain analysis in the patients of mitral stenosis and the effect of percutaneous transvenous mitral commisurotomy (PTMC) on it. METHODS: Eighty patients of severe mitral stenosis without overt right heart failure and normal sinus rhythm undergoing PTMC were included. Conventional echocardiography and RV function by TDI-derived longitudinal strain and strain rate were assessed prior and 24 hours post PTMC and compared with 40 healthy age-matched controls...
July 16, 2018: Echocardiography
https://www.readbyqxmd.com/read/29970683/ultrasonography-is-valuable-in-evaluation-of-papillary-thyroid-microcarcinoma-based-on-5-mm-tumor-size
#3
Shujun Xia, Yijie Dong, Huili Kang, Weiwei Zhan
Introduction: Fine-needle aspiration was once done in suspected malignant thyroid nodules more than 5 mm in diameter. Five millimeter has been applied in many studies as the cut off tumor size in recent years. In this study, we would like to analyze the clinicopathological and ultrasonographic features of papillary thyroid microcarcinoma (PTMC) ≤5 mm and >5 mm with the aim of finding out the diagnostic value of ultrasonography. Subjects and Methods: A total of 291 patients from January 2012 to October 2014 who underwent an ultrasound examination and were postoperatively diagnosed as PTMC were enrolled in the study...
June 2018: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29947183/study-protocol-of-multicenter-prospective-cohort-study-of-active-surveillance-on-papillary-thyroid-microcarcinoma-maestro
#4
Jae Hoon Moon, Ji Hoon Kim, Eun Kyung Lee, Kyu Eun Lee, Sung Hye Kong, Yeo Koon Kim, Woo Jin Jung, Chang Yoon Lee, Roh Eul Yoo, Yul Hwangbo, Young Shin Song, Min Joo Kim, Sun Wook Cho, Su Jin Kim, Eun Jae Jung, June Young Choi, Chang Hwan Ryu, You Jin Lee, Jeong Hun Hah, Yuh Seog Jung, Junsun Ryu, Yunji Hwang, Sue K Park, Ho Kyung Sung, Ka Hee Yi, Do Joon Park, Young Joo Park
BACKGROUND: The ongoing Multicenter Prospective Cohort Study of Active Surveillance on Papillary Thyroid Microcarcinoma (MAeSTro) aims to observe the natural course of papillary thyroid microcarcinoma (PTMC), develop a protocol for active surveillance (AS), and compare the long-term prognosis, quality of life, and medical costs between the AS and immediate surgery groups. METHODS: This multicenter prospective cohort study of PTMC started in June 2016. The inclusion criteria were suspicious of malignancy or malignancy based on fine needle aspiration or core needle biopsy, age of ≥18 years, and a maximum diameter of ≤1 cm...
June 2018: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29937168/sonographic-features-of-papillary-thyroid-microcarcinoma-predicting-high-volume-central-neck-lymph-node-metastasis
#5
Xue-Pei Huang, Tian-Tian Ye, Li Zhang, Rui-Feng Liu, Xing-Jian Lai, Liang Wang, Meng Yang, Bo Zhang, Xiao-Yi Li, Zi-Wen Liu, Yu Xia, Yu-Xin Jiang
OBJECTIVE: To study the correlations between the sonographic features of papillary thyroid microcarcinoma (PTMC) and the presence of high-volume lymph node metastasis. METHOD: Medical records of 2363 PTMC patients were reviewed form October 2013 to December 2015. All the patients with lymph node metastasis identified by histopathology were included. Preoperative sonographic features, such as multifocality, tumour size, echogenicity, calcification, vascularity of papillary microcarcinoma, and capsule invasion, were recorded...
June 2018: Surgical Oncology
https://www.readbyqxmd.com/read/29923610/incorporation-of-the-microencapsulated-antimicrobial-agent-phytoncide-into-denture-base-resin
#6
S An, R B Judge, R H Wong, M H Arzmi, J E Palamara, S G Dashper
BACKGROUND: This study aimed to fabricate a denture base resin (DBR) containing phytoncide microcapsules (PTMCs) and determine the mechanical properties of the resin and antifungal activity. METHODS: Fifty-four heat cured rectangular DBR specimens (64 x 10 x 3.3 ± 0.2 mm) containing nine concentrations of PTMC between 0 - 5% (wt/wt) were fabricated and subjected to a three-point bending test. A phytoncide release bioassay was developed using DBR containing 0% and 2...
June 20, 2018: Australian Dental Journal
https://www.readbyqxmd.com/read/29923487/papillary-thyroid-microcarcinoma-in-super-obese-patient
#7
R Ruggiero, A Bosco, R Pirozzi, M C Bondanese, G Gualtieri, L Docimo
Papillary thyroid microcarcinoma (PTMC) typically has an indolent behavior with a good prognosis but it is not always completely harmless. Surgical treatment varies from thyroid lobectomy to total thyroidectomy eventually associated with lymph node dissection and radioiodotherapy. The ability to identify patients with aggressive PTMCs from the majority of low risk patients is critical to planning proper clinical management. Several studies don't report any statistically significant differences about recurrence and mortality among patients undergone lobectomy and patients undergone total thyroidectomy...
May 2018: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/29885182/effect-of-percutaneous-transvenous-mitral-commissurotomy-on-brain-natriuretic-peptide-in-mitral-stenosis-in-tertiary-care-hospitals-of-peshawar
#8
Fahad Mahmood Ahmad, Roshan Ali, Adnan Mahmood Gul
The current study was planned to determine the effect of percutaneous transvenous mitral commissurotomy (PTMC) on brain natriuretic peptide (BNP) levels in mitral stenosis patients. It was conducted at the Postgraduate Medical Institute, Lady Reading Hospital, Peshawar, and Rehman Medical Institute Laboratory, Peshawar, Pakistan, from December 2013 to June 2014. Of the 100 patients, 63(63%) were females. The patients' age ranged from 14 to 58 years. Patients diagnosed with isolated mitral valve stenosis or with grade 1 or with grade 2 mitral regurgitation were randomly selected...
May 2018: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/29876836/clinical-analysis-of-cervical-lymph-node-metastasis-risk-factors-in-patients-with-papillary-thyroid-microcarcinoma
#9
Y Luo, Y Zhao, K Chen, J Shen, J Shi, S Lu, J Lei, Z Li, D Luo
PURPOSE: Lymph node metastasis (LNM) is a vital prognosis factor in patients with papillary thyroid microcarcinoma (PTMC). The study tried to identify clinicopathological factors for LNM of PTMC. METHODS: The clinicopathological data of 1031 patients with PTMC were extracted and analyzed. Univariate and multivariate analyses were used to identify risk factors associated with cervical lymph node metastasis. ROC analysis was used to determine the ideal critical points of the sum of the maximum diameter of multifocal in a unilateral lobe...
June 6, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29803769/nomogram-for-predicting-central-lymph-node-metastasis-in-papillary-thyroid-microcarcinoma-a-retrospective-cohort-study-of-8668-patients
#10
Yunjun Wang, Qing Guan, Jun Xiang
INTRODUCTION: The status of central lymph node metastasis (CLNM) is crucial to determining the surgical strategies for papillary thyroid micro carcinoma (PTMC). The objective of the study was to establish a nomogram to predict the possibility of CLNM in PTMC patients. METHODS: A total of 8668 PTMC patients who underwent total thyroidectomy or lobectomy with central lymph node dissection (CLND) from 2006 to 2016 were retrospectively retrieved. Univariate and multivariate analysis were performed to examine risk factors associated with CLNM...
July 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29770856/risk-factors-associated-with-intrathyroid-extension-of-thyroid-microcarcinomas
#11
Nikola Slijepcevic, Vladan Zivaljevic, Aleksandar Diklic, Milan Jovanovic, Branislav Oluic, Ivan Paunovic
PURPOSE: The aims of this study were to investigate the rate of intrathyroid extension of papillary thyroid microcarcinoma (PTMC) in patients operated for benign thyroid disease and to identify independent risk factors associated with it. METHODS: A retrospective study of 301 patients operated for benign thyroid diseases (hyperthyroid diseases, multinodular goitre, Hashimoto thyroiditis and benign thyroid tumours) was performed at a high-volume endocrine surgery unit of a tertiary referral academic hospital, in a 5-year period...
May 17, 2018: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29762261/a-retrospective-study-of-the-clinical-features-in-papillary-thyroid-microcarcinoma-depending-on-age
#12
Xuan Wang, Jian Tan, Wei Zheng, Ning Li
The aim of this study was to evaluate the clinical features and correlation of neck lymph node involvement of papillary thyroid microcarcinoma (PTMC) according to patients' age. We divided the patients into three groups according to age: young group (<45 years, n=83), middle group (45-54 years, n=80), and old group (≥55 years, n=53). The clinical features among the different groups were analyzed retrospectively. All of the 216 patients had received radioiodine ablation at least one time. Among these, 84 patients had central lymph node metastasis (CLNM), 11 patients had lateral lymph node metastasis (LLNM), and 26 patients had both CLNM and LLNM...
May 14, 2018: Nuclear Medicine Communications
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
#13
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/29748986/ion-conductive-and-thermal-properties-of-a-synergistic-poly-ethylene-carbonate-poly-trimethylene-carbonate-blend-electrolyte
#14
Zhenguang Li, Ronnie Mogensen, Jonas Mindemark, Tim Bowden, Daniel Brandell, Yoichi Tominaga
Electrolytes comprising poly(ethylene carbonate) (PEC)/poly(trimethylene carbonate) (PTM C) with lithium bis(trifluoromethane sulfonyl)imide (LiTFSI) are prepared by a simple solvent casting method. Although PEC and PTMC have similar chemical structures, they are immiscible and two glass transitions are present in the differential scanning calorimetry (DSC) measurements. Interestingly, these two polymers change to miscible blends with the addition of LiTFSI, and the ionic conductivity increases with increasing lithium salt concentration...
May 11, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29740219/a-favorable-tumor-size-to-define-papillary-thyroid-microcarcinoma-an-analysis-of-1176-consecutive-cases
#15
Yanping Gong, Genpeng Li, Jianyong Lei, Jiaying You, Ke Jiang, Zhihui Li, Rixiang Gong, Jingqiang Zhu
Background: The optimal treatment strategy for papillary thyroid microcarcinoma (PTMC) has remained controversial. The purpose of this study was to provide a new reference value for PTMC to aid the selection of optimal management for minute lesions. Patients and methods: A pool of 1176 consecutive patients who met the inclusion criteria were ultimately enrolled in this study. The correlation of papillary thyroid carcinoma (PTC) tumor size and lymph node metastasis was analyzed...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29726227/-environmental-selection-and-dispersal-limitation-drive-the-assemblage-of-bacterial-community-in-temperate-forest-soils
#16
Zhuan Zhuan Ma, Sha Sha Qiao, Miao Wen Cao, Yong Na Zhou, Jin Xian Liu, Tong Jia, Cui Li, Bao Feng Chai
Environmental selection and dispersal limitation are two basic processes underlying community assembly. The relative importance of those two processes differs across scales, community identities, and community types. The processes responsible for structuring microbial communities in soil of temperate subalpine forest are poorly understood. Here, we investigated the relationship between soil bacterial community structure and environmental factors, and quantified the relative role of edaphic factors, vegetation, and spatial variables in shaping the structure of six soil bacterial communities (LpMC1, LpMC2, PwMC, PmMC, PtMC, and BMC) in five forest types including Larix principis-rupprechtii, Picea wilsonii, Picea meyeri, Pinus tabulaeformis, and Betula platyphylla in Pangquangou Nature Reserve by using PCR-DGGE technology...
April 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29694628/papillary-thyroid-microcarcinoma-characteristics-at-presentation-and-evaluation-of-clinical-and-histological-features-associated-with-a-worse-prognosis-in-a-latin-american-cohort
#17
José M Domínguez, Flavia Nilo, María T Martínez, José M Massardo, Sueli Muñoz, Tania Contreras, Rocío Carmona, Joaquín Jerez, Hernán González, Nicolás Droppelmann, Augusto León
Objective We aimed to describe the presentation of papillary microcarcinoma (PTMC) and identify the clinical and histological features associated with persistence/recurrence in a Latin American cohort. Subjects and methods Retrospective study of PTMC patients who underwent total thyroidectomy, with or without radioactive iodine (RAI), and who were followed for at least 2 years. Risk of recurrence was estimated with ATA 2009 and 2015 classifications, and risk of mortality with 7th and 8th AJCC/TNM systems. Clinical data obtained during follow-up were used to detect structural and biochemical persistence/recurrence...
February 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29552130/interstitial-fibrosis-in-papillary-thyroid-microcarcinoma-and-its-association-with-biological-behavior
#18
Xun Liu, Shuai Zhang, Qinwei Gang, Shikai Shen, Jian Zhang, Yu Lun, Dongdong Xu, Zhiquan Duan, Shijie Xin
Previous studies have revealed that fibrosis may affect the biological behavior of tumors, however associated research on papillary thyroid microcarcinoma (PTMC) is rare. The aim of the present study was to explore the association between interstitial fibrosis (IF) and the biological behavior of PTMC. In the present study, a total of 511 consecutive cases of PTMC were evaluated for the presence of IF and its association with clinical parameters and pathologic biomarkers. IF was identified in 340 of the 511 consecutive cases and it was significantly associated with the age (P=0...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29544469/thyroid-cancer-trends-in-incidence-mortality-and-clinical-pathological-patterns-in-zhejiang-province-southeast-china
#19
Lingbin Du, Youqing Wang, Xiaohui Sun, Huizhang Li, Xinwei Geng, Minghua Ge, Yimin Zhu
BACKGROUND: Thyroid cancer is the most common malignant disease of the endocrine system. Previous studies indicate a rapid increase in the incidence of thyroid cancer in recent decades, and this increase has aroused the great public concern. The aim of this study was to analyze the trends in incidence, mortality and clinical-pathological patterns of thyroid cancer in Zhejiang province. METHODS: Population-based incidence and mortality rates of thyroid cancer were collected from eight cancer registries in Zhejiang from 2000 to 2012...
March 15, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29541194/diagnostic-significance-of-ck19-galectin-3-cd56-tpo-and-ki67-expression-and-braf-mutation-in-papillary-thyroid-carcinoma
#20
Lihua Huang, Xuming Wang, Xuan Huang, Huawei Gui, Yan Li, Qiongxia Chen, Dongling Liu, Lijiang Liu
The aim of the present study was to examine the rate of BRAF mutation and the expression profiles of CK19, galectin-3, CD56, thyroid peroxidase (TPO) and Ki67 in papillary thyroid carcinoma (PTC) and papillary thyroid micro-carcinoma (PTMC). A total of 246 cases of thyroid disease were collected, including PTC, PTMC, nodular goiter (NG) and Hashimoto thyroiditis (HT). The results revealed that CK19 expression was 116/120 in PTC, 61/64 in PTMC, 2/34 in NG and 1/28 in HT. Galectin-3 positive expression was 115/120 in PTC, 60/64 in PTMC, 6/34 in NG and 4/28 in HT...
April 2018: Oncology Letters
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