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Follicular Thyroid Carcinoma

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https://www.readbyqxmd.com/read/28427206/mir-146a-and-mir-146b-promote-proliferation-migration-and-invasion-of-follicular-thyroid-carcinoma-via-inhibition-of-st8sia4
#1
Wei Ma, Xuzi Zhao, Leilei Liang, Guangzhi Wang, Yanyan Li, Xiaolong Miao, Yongfu Zhao
Follicular thyroid carcinoma (FTC) is a more aggressive form of thyroid cancer than the common papillary type. Alpha-2,8-sialyltransferase (ST8SIA) family members are expressed in various cancers and may be associated with FTC progression. In this study, we measured ST8SIA family expression in two FTC cell lines with different invasive potentials (FTC-133 and FTC-238) and Nthy-ori 3-1 cell lines, as well as FTC and normal thyroid tissues. ST8SIA4 was downregulated in the highly invasive FTC-238 cells and FTC tissues...
March 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28425432/angiogenic-and-lymphangiogenic-profiles-in-histological-variants-of-papillary-thyroid-carcinoma
#2
Vesna Skuletic, Gordana D Radosavljevic, Jelena Pantic, Bojana Simovic Markovic, Ivan Jovanovic, Nikola Jankovic, Dusica Petrovic, Andra Jevtovic, Radan Dzodic, Nebojsa Arsenijevic
INTRODUCTION    Papillary thyroid carcinoma (PTC) is a well-differentiated tumor that occurs in several histological variants whose biological behaviors remain unclear. Angiogenesis and lymphangiogenesis are critical processes that enable tumor progression.  OBJECTIVES    The purpose of this study was to evaluate the angiogenic and lymphangiogenic phenotypes of PTC considering the differences between histological variants. PATIENTS AND METHODS    Angiogenic and lymphangiogenic profiles were analyzed by microvascular density (MVD) and lymphovascular density (LVD) determination in 73 cases of PTC using immunohistochemistry...
April 20, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28425211/importance-of-cytological-subclassification-of-thyroid-nodules-with-bethesda-category-iii-cytology-aus-flus-into-architectural-atypia-only-and-nuclear-atypia-a-prospective-study
#3
Pedro Weslley Rosario, Maria Regina Calsolari
BACKGROUND: The objective of this study was to compare two cytological subcategories of thyroid nodules with Bethesda category III initial cytology. METHODS: This was a prospective study. All patients with thyroid nodules > 1 cm were eligible and 98 patients with category III cytology were selected. Cytology was subcategorized into architectural atypia only (AA, n = 45) and nuclear atypia (NA, n = 53). All patients underwent a second fine-needle aspiration (FNA)...
April 19, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28424236/hyalinizing-trabecular-tumour-of-the-thyroid-fine-needle-aspiration-cytological-diagnosis-and-correlation-with-histology
#4
REVIEW
Chiara Saglietti, Simonetta Piana, Stefano La Rosa, Massimo Bongiovanni
Hyalinizing trabecular tumour (HTT) is a rare thyroid neoplasm of follicular cell origin characterised by a trabecular growth pattern and prominent intratrabecular and intertrabecular hyalinisation. These peculiar histological features allow the prompt recognition of this neoplasm in surgical specimens. However, cytological diagnosis of HTT remains elusive and misleading because of overlapping characteristics with other thyroid tumours, particularly papillary thyroid carcinoma (PTC), medullary thyroid carcinoma (MTC) and the newly described non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP)...
April 19, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28418993/solid-papillary-breast-carcinomas-resembling-the-tall-cell-variant-of-papillary-thyroid-neoplasms-a-unique-invasive-tumor-with-indolent-behavior
#5
Maria P Foschini, Sofia Asioli, Susan Foreid, Gabor Cserni, Ian O Ellis, Vincenzo Eusebi, Juan Rosai
Thirteen cases of invasive solid papillary breast carcinomas resembling the tall cell variant of papillary thyroid neoplasms (BPTC) are reported here. Some cases had long-term follow-up. BPTC is a special type of primary breast neoplasm showing a triple-negative profile but low aggressive potential. Knowledge on BPTC is still scanty; therefore, the aim of the present paper was to report on the features of an additional 13 cases. All the patients were female individuals, and the mean age at presentation was 62...
April 17, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28417929/histogram-analysis-of-diffusion-weighted-imaging-at-3t-is-useful-for-prediction-of-lymphatic-metastatic-spread-proliferative-activity-and-cellularity-in-thyroid-cancer
#6
Stefan Schob, Hans Jonas Meyer, Julia Dieckow, Bhogal Pervinder, Nikolaos Pazaitis, Anne Kathrin Höhn, Nikita Garnov, Diana Horvath-Rizea, Karl-Titus Hoffmann, Alexey Surov
Pre-surgical diffusion weighted imaging (DWI) is increasingly important in the context of thyroid cancer for identification of the optimal treatment strategy. It has exemplarily been shown that DWI at 3T can distinguish undifferentiated from well-differentiated thyroid carcinoma, which has decisive implications for the magnitude of surgery. This study used DWI histogram analysis of whole tumor apparent diffusion coefficient (ADC) maps. The primary aim was to discriminate thyroid carcinomas which had already gained the capacity to metastasize lymphatically from those not yet being able to spread via the lymphatic system...
April 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28413206/differential-diagnostic-significance-of-hbme-1-ck19-and-s100-in-various-thyroid-lesions
#7
S Palo, D S Biligi
OBJECTIVE: Due several overlapping histomorphological features and pitfalls in thyroid pathology, there is need to establish a panel of immunomarkers that would aid in proper diagnosis. This study was carried out to investigate the ability of HBME-1, CK19, and S100 in differentiating between hyperplastic, benign and malignant thyroid lesions. MATERIALS AND METHODS: Immunohistochemical analysis of 60 thyroidectomy specimens (10 hyperplastic nodules, 14 follicular adenomas and 36 malignant thyroid neoplasms) was carried out...
April 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28413203/nuclear-morphometry-and-texture-analysis-on-cytological-smears-of-thyroid-neoplasms-a-study-of-50-cases
#8
L Deka, S Gupta, R Gupta, K Gupta, C J Kaur, S Singh S
BACKGROUND: Fine needle aspiration cytology (FNAC) is a reliable and reproducible diagnostic technique for thyroid lesions with certain limitations. Computed morphometric methods have been introduced with a view to improve the diagnostic yield of thyroid aspirates. However, a review of the existing literature revealed conflicting reports regarding morphometric parameters in thyroid neoplasms. MATERIALS AND METHODS: This study included 50 cases of thyroid lesions (20 cases of colloid goitre, 15 of follicular adenoma, 5 of follicular carcinoma and 10 papillary carcinomas)...
April 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28410848/improving-access-to-image-guided-procedures-at-an-integrated-rural-critical-access-hospital-ultrasound-guided-thyroid-biopsy-program
#9
Thang Q Le, Yadiel Sánchez, Alexander S Misono, Sanjay Saini, Anand M Prabhakar
PURPOSE: Critical access hospitals face difficulty providing all services locally and may need to refer patients off-site for additional care. Providing on-site minimally invasive biopsies, may obviate visits to tertiary or quaternary care centers. This study aims to assess feasibility and outcomes of an ultrasound-guided thyroid biopsy program in a critical access hospital. METHODS: In this HIPAA compliant, IRB approved study, the Interventional Radiology (IR) database of a 19-bed, island, rural, critical access hospital without onsite pathology services affiliated with our quaternary care institution was retrospectively reviewed to identify all thyroid biopsies that were performed on site since inception of the service in April 2014 through August 2016...
February 16, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28407624/risk-of-malignancy-and-risk-of-neoplasia-in-the-bethesda-indeterminate-categories-study-on-4-532-thyroid-fine-needle-aspirations-from-a-single-institution-in-india
#10
Swati Mahajan, Radhika Srinivasan, Arvind Rajwanshi, Bishan Radotra, Naresh Panda, Pranab Dey, Nalini Gupta, Raje Nijhawan
OBJECTIVES: To determine the frequency of category 3 (atypia of undetermined significance [AUS]/follicular lesion of undetermined significance [FLUS]), category 4 (follicular neoplasm), and category 5 (suspicious for malignancy) of The Bethesda System for Reporting Thyroid Cytopathology (TBSRTC), the risk of malignancy (ROM) and the risk of neoplasia (RON) in these categories. STUDY DESIGN: A retrospective 6-year audit of 4,532 thyroid fine-needle aspirations (FNA) reported as per the TBSRTC from a single institution with cytohistological correlation in 335 cases...
April 14, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28396943/sonographic-differences-between-conventional-and-follicular-variant-papillary-thyroid-carcinoma
#11
Nicola M Hughes, Andreea Nae, Josephine Barry, Brendan Fitzgerald, Linda Feeley, Patrick Sheahan
Follicular variant papillary thyroid carcinoma (FVPTC) may pose a diagnostic challenge due to higher likelihood of lower risk cytology compared to conventional papillary thyroid carcinoma (CPTC). Recent guidelines have recommended the use of sonographic features to guide decisions to biopsy thyroid nodules. The purpose of this study was to evaluate the sonographic features of CPTC and FVPTC. This is a retrospective study design done in an Academic teaching hospital setting. Preoperative ultrasounds of 79 patients with conventional CPTC (48) and FVPTC (31) were reviewed by a radiologist blinded to histological diagnosis...
April 10, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28393181/microrna-based-molecular-classification-of-papillary-thyroid-carcinoma
#12
Francesca Rosignolo, Lorenzo Memeo, Fabio Monzani, Cristina Colarossi, Valeria Pecce, Antonella Verrienti, Cosimo Durante, Giorgio Grani, Livia Lamartina, Stefano Forte, Daniela Martinetti, Dario Giuffrida, Diego Russo, Fulvio Basolo, Sebastiano Filetti, Marialuisa Sponziello
MicroRNA (miRNA) expression is dysregulated in many human malignancies, and a growing number of studies are focused on their potential use as tumor biomarkers. To identify a miRNA signature for papillary thyroid carcinomas (PTC), we investigated miRNA expression profiles in two independent cohorts of PTCs, which included major histological subtypes [classical-type (PTC‑CT), follicular-variant (PTC‑FV), and tall-cell variant (PTC‑TCV)] and cases with low or intermediate risk of recurrence. Using TaqMan® Array Human MicroRNA A+B Cards v3...
May 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28390192/runt-related-transcription-factor-2-runx2-is-responsible-for-galectin-3-overexpression-in-human-thyroid-carcinoma
#13
Engin Kaptan, Serap Sancar Bas, Aylin Sancakli, Hatice Gumushan Aktas, Bertan Boran Bayrak, Refiye Yanardag, Sehnaz Bolkent
Runx2 promotes metastatic ability of cancer cells by directly activating some of the mediators regarding malignancy. Galectin-3 (Gal-3) extensively expressed in normal and transformed cells and it is responsible for many cellular processes. In this study, we aimed to investigate whether there is any relationship between runx2 transcription factor and regulation of galectin-3 expression in different human thyroid carcinoma cell lines. To show effects of runx2 transcription factor on gal-3 expression, we developed runx2 knockdown model in the thyroid carcinoma cell lines; anaplastic 8505C and 8305C and, papillary TPC-1 and follicular FTC-133 by using siRNA transfection...
April 8, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28387096/-a-familial-non-medullary-thyroid-carcinoma-fnmtc-a-clinical-and-genetic-update
#14
REVIEW
H Valdes-Socin, L Palmeira, M-C Burlacu, A-F Daly, V Bours, A Beckers
The syndrome of Familial Non Medullary Thyroid Carcinoma (FNMTC) includes two or more patients with an isolated non-medullary thyroid cancer (papillary, follicular, anaplastic) within the same family. To diagnose FNMTC, the clinician must exclude a syndromic presentation such as the syndromes of Cowden, Gardner or Werner, and the Carney Complex. Up to now, a hundred families with FNMTC have been genetically studied, including forms with (Ch19p13.2) or without oxyphilia (Ch2q21), in association with a multinodular goiter (Ch14q32), or with a renal cancer (Ch1q21)...
December 2016: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28382395/distant-metastasis-as-the-sole-initial-manifestation-of-well-differentiated-thyroid-carcinoma
#15
Anna See, N Gopalakrishna Iyer, Ngian Chye Tan, Constance Teo, Jeremy Ng, Khee Chee Soo, Hiang Khoon Tan
Thyroid carcinoma usually presents as a neck lump. Distant metastasis as the sole initial manifestation of well-differentiated thyroid carcinoma (WDTC) is rare and little is known about these patients. The aim of this study is to characterize patients who present with distant metastasis as the sole initial manifestation of WDTC. Retrospective review of case records of WDTC seen at the National Cancer Centre Singapore from 2002 to 2015 was performed. Patients with no prior complaint of neck swelling and whose first presentation was distant metastatic WDTC were included...
April 5, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28381154/thyroid-like-follicular-carcinoma-of-the-kidney
#16
Reza Alaghehbandan, Michal Michal, Naoto Kuroda, Ondrej Hes
No abstract text is available yet for this article.
March 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28369717/tumor-volume-doubling-time-of-pulmonary-metastases-predicts-overall-survival-and-can-guide-the-initiation-of-multikinase-inhibitor-therapy-in-patients-with-metastatic-follicular-cell-derived-thyroid-carcinoma
#17
Mona M Sabra, Eric J Sherman, R Michael Tuttle
BACKGROUND: The current study was conducted to better characterize the association between overall survival (OS) from metastatic thyroid cancer and the rate of structural disease progression. METHODS: In this retrospective study, the average tumor volume doubling time (midDT) of 2 dominant lung metastases was used to group patients into 6 clinically relevant cohorts. OS was calculated from the time of metastasis diagnosis and from the time the pulmonary lesions crossed over the 1-cm diameter threshold...
April 3, 2017: Cancer
https://www.readbyqxmd.com/read/28363612/programmed-death-ligand-1-expression-distinguishes-invasive-encapsulated-follicular-variant-of-papillary-thyroid-carcinoma-from-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features
#18
Guodong Fu, Olena Polyakova, Christina MacMillan, Ranju Ralhan, Paul G Walfish
BACKGROUND: The noninvasive Encapsulated follicular variant of papillary thyroid cancer (EFVPTC) has been reclassified as Noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) without a significant risk for malignant behavior. However the evaluation remains a challenge for clinicians. We sought to determine whether programmed death-ligand 1 (PD-L1) expression may serve as a biomarker to predict invasiveness of EFVPTC and assist to distinguish these neoplasms from NIFTP...
March 24, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28362711/ectopic-thyroid-tissue-immunohistochemistry-and-molecular-analysis
#19
Diana M Lin, Sara Javidiparsijani, Alexandra Vardouniotis, Lela Buckingham, Swathi B Reddy, Paolo Gattuso
Ectopic thyroid tissue is rare and controversial. Some experts consider it to always be metastatic thyroid carcinoma, whereas others consider it benign as long as it is restricted to few follicles without cytoarchitectural features of papillary thyroid carcinoma. Immunohistochemistry (IHC) and molecular studies have not yet been performed to further characterize this entity. We retrospectively searched our pathology files for all ectopic thyroid inclusions and reviewed clinicopathologic characteristics and concurrent thyroid pathologic findings...
March 30, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28361927/molecular-profiling-of-thyroid-nodule-fine-needle-aspiration-cytology
#20
REVIEW
Markus Eszlinger, Lorraine Lau, Sana Ghaznavi, Christopher Symonds, Shamir P Chandarana, Moosa Khalil, Ralf Paschke
The differential diagnosis and malignancy risk stratification of thyroid nodules requires multidisciplinary expertise and knowledge of both local ultrasonography practices and the local malignancy rates for a given fine-needle aspiration (FNA) result. Even in such a multidisciplinary setting, FNA cytology has the inherent limitation that indeterminate cytology results cannot distinguish between follicular adenomas, follicular thyroid carcinomas or follicular variant papillary thyroid carcinomas. Accumulating evidence suggests that this limitation can be overcome by using molecular diagnostic approaches...
March 31, 2017: Nature Reviews. Endocrinology
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