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papillary thyroid microcarcinoma

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https://www.readbyqxmd.com/read/28089996/a-comparison-of-lobectomy-and-total-thyroidectomy-for-patients-with-papillary-thyroid-microcarcinoma-a-retrospective-individual-risk-factor-matched-cohort-study
#1
Hyemi Kwon, Min Ji Jeon, Won Gu Kim, Suyeon Park, Mijin Kim, Dong Eun Song, Tae-Yon Sung, Jong Ho Yoon, Suck Joon Hong, Tae Yong Kim, Young-Kee Shong, Won Bae Kim
OBJECTIVE: Papillary thyroid microcarcinoma (PTMC) accounts for most of the increase in thyroid cancer in recent decades. We compared clinical outcomes and surgical complications of lobectomy and total thyroidectomy (TT) for PTMC patients. DESIGN AND METHODS: In this retrospective individual risk factor matched cohort study, 2031 patients with PTMC were initially included. Patients who underwent lobectomy or TT were one-to-one matched according to individual risk factors, including age, sex, primary tumor size, extrathyroidal extension, multifocality, and cervical lymph node (LN) metastasis...
January 15, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28087101/current-management-of-low-risk-differentiated-thyroid-cancer-and-papillary-microcarcinoma
#2
V D Tarasova, R M Tuttle
Each year, the proportion of thyroid cancer patients presenting with low risk disease is increasing. Moreover, the definition of low risk thyroid cancer is expanding and several histological subtypes beyond papillary microcarcinomas are now classified as low risk disease. This shift in the landscape of thyroid cancer presentation is forcing clinicians to critically re-evaluate whether or not traditional management paradigms that were effective in treating intermediate and high risk disease are applicable to these low risk patients...
January 10, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28077340/clinicopathological-characteristics-of-papillary-thyroid-cancer-in-children-with-emphasis-on-the-pubertal-status-and-association-with-brafv600e-mutation
#3
Şükran Poyrazoğlu, Rüveyde Bundak, Firdevs Baş, Gülçin Yeğen, Yasemin Şanlı, Feyza Darendeliler
OBJECTIVE: Papillary thyroid cancer (PTC) could behave differently in prepubertal than in pubertal children and between children and adults. BRAF gene activating mutations may associate with PTC by creating aberrant activation. We aimed to evaluate clinicopathological characteristics of PTC patients with emphasis on the pubertal status and investigate the association of BRAFV600E mutation with disease characteristics. METHODS: Medical records of 75 patients with PTC were reviewed retrospectively...
January 12, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28054188/predictive-factors-for-active-surveillance-of-subcentimeter-thyroid-nodules-with-highly-suspicious-us-features
#4
Hye Mi Gweon, Eun Ju Son, Jeong-Ah Kim, Ji Hyun Youk
PURPOSE: This study was designed to assess the outcomes of subcentimeter thyroid nodules with highly suspicious ultrasonography (US) features and to investigate the predictive factors associated with malignancy and aggressive biological behavior to determine appropriate candidate factors for active surveillance. METHODS: Between June 2011 and December 2013, 1866 subcentimeter thyroid nodules with highly suspicious US features that were subjected to US-guided fine needle aspiration and subsequent surgery or US follow-up of at least 2 years were evaluated...
January 4, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28017809/prevalence-of-contralateral-tumors-in-patients-with-follicular-variant-of-papillary-thyroid-cancer
#5
Michael Sullivan, Paul H Graham, Erik K Alexander, Daniel T Ruan, Matthew A Nehs, Atul A Gawande, Francis D Moore, Brooke E Howitt, Kyle C Strickland, Jeffrey F Krane, Justine A Barletta, Nancy L Cho
BACKGROUND: Thyroid lobectomy alone is increasingly being performed for patients with encapsulated follicular variant of papillary thyroid carcinoma (fvPTC). However, the prevalence of contralateral disease in these patients is unknown. Here, we investigated the presence of synchronous disease in fvPTC to improve decision making regarding the extent of surgical resection and need for surveillance. STUDY DESIGN: We performed a retrospective review of patients who underwent thyroid surgery from October 2009 to February 2013 with a diagnosis of fvPTC as their primary lesion...
December 22, 2016: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28007045/observation-versus-thyroidectomy-for-papillary-thyroid-microcarcinoma-in-the-elderly
#6
U C Megwalu
OBJECTIVE: To compare the effectiveness of non-surgical versus surgical therapy in elderly patients with papillary thyroid microcarcinoma. METHODS: The study cohort included 2323 elderly patients (aged 65 years and over) diagnosed with papillary thyroid microcarcinoma between 1988 and 2009, identified in the Surveillance, Epidemiology, and End Results 18 database of the National Cancer Institute. RESULTS: The five-year overall survival rate was 23 per cent for non-surgical patients compared with 91 per cent for surgical patients (p < 0...
December 23, 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27936049/clinicopathological-features-and-prognosis-of-papillary-thyroid-microcarcinoma-for-surgery-and-relationships-with-the-brafv600e-mutational-status-and-expression-of-angiogenic-factors
#7
Chenlei Shi, Yong Guo, Yichen Lv, Abiyasi Nanding, Tiefeng Shi, Huadong Qin, Jianjun He
OBJECTIVE: To investigate the clinicopathological characteristics of papillary thyroid microcarcinoma (PTMC) for surgery by comparing the difference between PTMC and larger papillary thyroid carcinoma (LPTC). METHODS: We analyzed the differences in the clinicopathological characteristics, prognosis, B-type RAF kinase (BRAF)V600E mutational status and expression of angiogenic factors, including pigment epithelium-derived factor (PEDF), Vascular Endothelial Growth Factor (VEGF), and hypoxia-inducible factor alpha subunit (HIF-1α), between PTMC and LPTC by retrospectively reviewing the records of 251 patients with papillary thyroid carcinoma, 169 with PTMC, and 82 with LPTC (diameter >1 cm)...
2016: PloS One
https://www.readbyqxmd.com/read/27928601/-active-surveillance-versus-primary-surgery-for-papillary-microcarcinoma-of-the-thyroid-gland
#8
H Dralle, F Weber
No abstract text is available yet for this article.
December 7, 2016: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/27917722/racial-disparities-in-papillary-thyroid-microcarcinoma-survival
#9
U C Megwalu, A T Saini
OBJECTIVE: To evaluate the impact of race on survival in patients with papillary thyroid microcarcinoma. METHODS: The study cohort included 17 668 patients diagnosed with papillary thyroid microcarcinoma between 1988 and 2009, identified in the Surveillance, Epidemiology, and End Results 18 database of the National Cancer Institute. RESULTS: Black patients had lower overall survival than other racial groups (p < 0.001). Black patients had significantly worse overall survival (hazard ratio = 2...
January 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27904709/braf-and-epithelial-mesenchymal-transition-in-papillary-thyroid-carcinoma-challenging-the-roles-of-snail-and-e-cadherin
#10
Brendon Mitchell, Dominick Leone, Shi Yang, Ashraf Khan, Meera Mahalingam, Jagdish Dhingra
OBJECTIVE: In papillary thyroid carcinoma (PTC), while the role of BRAF is well established, the contribution of BRAF to epithelial-mesenchymal transition is not. STUDY DESIGN/SETTING: To elucidate the relationship between BRAF, surrogates of epithelial-mesenchymal transition (Snail, E-cadherin) and established histopathologic prognosticators in papillary thyroid carcinoma. SUBJECTS/METHODS: In this IRB approved cross-sectional study, 50 cases of archived annotated PTC samples were retrieved and immunohistochemically stained for Snail and E-cadherin protein...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27885512/clinicopathological-features-of-thyroid-cancer-in-the-elderly-compared-to-younger-counterparts-single-center-experience
#11
F D Dellal, D Özdemir, A A Tam, H Baser, H Tatli Dogan, O Parlak, R Ersoy, B Cakir
PURPOSE: The incidence of thyroid cancer is increased in elderly patients. It tends to be larger and have more aggressive characteristics in these patients. Our aim was to compare features of thyroid carcinoma in geriatric and non-geriatric patients. METHODS: In total, 933 patients with thyroid cancer were retrospectively reviewed. Thyroid functions, ultrasonography features of malignant nodules, cytological and histopathological findings and the rates of recurrence and persistence were compared in patients ≥65 and <65 years old...
November 24, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27881018/a-different-prognostic-value-of-brafv600e-mutation-positivity-in-different-age-groups-of-patients-with-papillary-thyroid-cancer
#12
E Takacsova, R Kralik, I Waczulikova, K Zavodna, J Kausitz
The aim of retrospective single-center study was to assess the prognostic value of BRAFV600E mutation positivity (BRAFV600E+) on disease persistence/recurrence in patients with papillary thyroid cancer (PTC). A total of 199 patients having had initial surgery with neck dissection in our hospital between 6/2009-6/2012 were included in the cohort. Excluded were patients with unifocal microcarcinoma ≤1cm. BRAFV600E mutation was tested from formalin-fixed paraffin-embedded surgicaly removed tumors. All included patients were postoperatively treated with radioiodine...
November 24, 2016: Neoplasma
https://www.readbyqxmd.com/read/27853812/ultrasound-guided-percutaneous-laser-ablation-of-unifocal-t1n0m0-papillary-thyroid-microcarcinoma-preliminary-results
#13
Wei Zhou, Shan Jiang, Weiwei Zhan, Jianqiao Zhou, Shangyan Xu, Lu Zhang
OBJECTIVES: To evaluate the efficacy and safety of percutaneous laser ablation (PLA) for unifocal T1N0M0 papillary thyroid microcarcinoma(PTMC). METHODS: A retrospective study was conducted in 30 patients with single PTMC which was diagnosed by fine-needle aspiration biopsy (FNAB). PLA was performed for proper time to achieve adequate ablation zones. The extent of ablation was assessed by contrast-enhanced ultrasound (CEUS) immediately and 7 days after PLA. Complications were recorded...
November 16, 2016: European Radiology
https://www.readbyqxmd.com/read/27843808/therapeutic-strategies-and-clinical-outcome-in-papillary-thyroid-microcarcinoma-a-multicenter-observational-study
#14
F Cecoli, E M Ceresola, V Altrinetti, M Cabria, M Cappagli, A Montepagani, C M Cuttica, U Filippi, D Saverino, M Raffa, M Caputo, F Minuto, M Giusti, M Bagnasco
PURPOSE: Papillary thyroid microcarcinoma (MPTC) has an excellent prognosis. We aimed to evaluate the evolution of therapeutic strategies over time and the clinical outcome of MPTC. METHODS: In this retrospective multicenter observational study in a northwest Italian region, patients with intrathyroidal, unifocal tumor ≤1 cm in size, incidentally found at histology or preoperative cytology diagnosis, were included. Exclusion criteria were a previous head-and-neck irradiation and/or node metastases...
September 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/27835583/non-invasive-diagnosis-of-papillary-thyroid-microcarcinoma-a-nmr-based-metabolomics-approach
#15
Jinghui Lu, Sanyuan Hu, Paolo Miccoli, Qingdong Zeng, Shaozhuang Liu, Lin Ran, Chunxiao Hu
Papillary thyroid microcarcinoma (PTMC) is a subtype of papillary thyroid carcinoma (PTC). Because its diameter is less than 10 mm, diagnosing it accurately is difficult with traditional methods such as image examinations and FNA (Fine Needle Aspiration). Investigating the metabolic changes induced by PTMC may enhance the understanding of its pathogenesis and provide important information for a new diagnosis method and treatment plan. In this study, high resolution magic angle spin (HRMAS) spectroscopy and 1H-nuclear magnetic resonance (1H-NMR) spectroscopy were used to screen metabolic changes in thyroid tissues and plasma from PTMC patients respectively...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27834461/clinicopathological-significance-of-loss-of-p27kip1-expression-in-papillary-thyroid-carcinoma
#16
Nae Yu Kim, Jin Hwa Kim, Jung-Soo Pyo, Won Jin Cho
INTRODUCTION: A meta-analysis was done to investigate the clinicopathological significance of the loss of p27kip1 expression in papillary thyroid carcinoma (PTC). METHODS: The meta-analysis involving 17 studies included 1,652 PTC and 328 benign cases. The rate of p27kip1 expression loss in PTC and benign lesions, and the correlations between p27kip1 expression loss and clinicopathological characteristics of PTC were determined. RESULTS: The estimated rate of p27kip1 expression loss was 0...
November 5, 2016: International Journal of Biological Markers
https://www.readbyqxmd.com/read/27806783/-clinicopathological-features-of-thyroid-papillary-microcarcinoma-of-which-the-maximum-diameter-is-less-than-5-mm-a-series-of-487-cases
#17
C Chen, H Z Chen, C H Lyu, S Xue, N K Yu, X Chen
Objective: To analyze the clinical and pathological features of papillary thyroid microcarcinoma(PTMC) of which the maximum diameter is less than 5 mm. Methods: Clinical data of 487 PTMC (≤5 mm) patients who underwent primary surgery by the same team of doctors between March 2013 to March 2016 at Department of Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University were analyzed retrospectively. Female patients accounted for 77.4%(377/487). The age ranged from 22 to 80 years, with an average of (46±11) years...
November 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27794131/clinicopathologic-factors-and-thyroid-nodule-sonographic-features-for-predicting-central-lymph-node-metastasis-in-papillary-thyroid-microcarcinoma-a-retrospective-study-of-1204-patients
#18
Wen-Han Wang, Shang-Yan Xu, Wei-Wei Zhan
OBJECTIVES: Preoperative prediction of lymph node metastasis is of clinical importance for the surgical treatment of thyroid tumor. The purpose of this study was to evaluate clinicopathologic factors and thyroid nodule sonographic features predictive of central lymph node metastasis in papillary thyroid microcarcinoma. METHODS: Clinicopathologic factors and thyroid nodule sonographic features of 1204 patients with papillary thyroid microcarcinoma were retrospectively reviewed from January 2014 to June 2015...
November 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27756889/a-meta-analysis-on-the-effect-of-operation-modes-on-the-recurrence-of-papillary-thyroid-microcarcinoma
#19
Dandan Yi, Peng Song, Tao Huang, Xiaoqiao Tang, Jianfeng Sang
Whether total thyroidectomy reduces the recurrence rate in patients with papillary thyroid microcarcinoma (PTMC) is currently controversy. Conclusions of sporadic, inconsistent, and mono-institutional studies need a meta-analysis to evaluate. 525 relevant studies were obtained from initial search on PubMed, 511 studies were excluded by inclusion and exclusion criteria. Eligible data were extracted from each included study. The Odds ratios (ORs) and 95% confidence interval (CI) were used to assess the difference in the recurrence rates between PTMC patients treated with total thyroidectomy and non-total thyroidectomy...
October 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27749574/is-papillary-thyroid-microcarcinoma-an-indolent-tumor-a-retrospective-study-on-280-cases-treated-with-radioiodine
#20
Xuemei Gao, Xiao Zhang, Yajing Zhang, Wenjuan Hua, Yusufu Maimaiti, Zairong Gao
The increasing detection of papillary thyroid microcarcinoma (PTMC) has created management dilemmas. To clarify the clinical significance of postsurgery stimulated thyroglobulin (ps-Tg) in PTMC who undergo thyroidectomy and radioactive iodine (RAI), we retrospectively reviewed the 358 PTMC patients who were treated with RAI and followed up in our hospital. Those with an excessive anti-Tg antibody, ultrasound-detected residual were excluded, thereby resulting in the inclusion of 280 cases. Their clinical and histopathological information and clinical outcomes were collected and summarized...
October 2016: Medicine (Baltimore)
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