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Follicular thyroid cancer

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https://www.readbyqxmd.com/read/28807198/encapsulated-follicular-variant-of-papillary-thyroid-cancer-are-these-tumors-really-benign
#1
Zviadi Aburjania, Samuel Jang, Celina Montemayor-Garcia, Ricardo V Lloyd, David F Schneider, Rebecca S Sippel, Herbert Chen, Dawn M Elfenbein
BACKGROUND: Recent studies suggest that the encapsulated form of follicular variant of papillary thyroid cancer (eFVPTC) behaves more similarly to benign lesions and can be treated with thyroid lobectomy alone instead of total thyroidectomy. To distinguish aggressive cancers from more benign lesions more clearly, the objective of this study was to determine if the eFVPTC behaves less aggressively than the nonencapsulated variant (neFVPTC). METHODS: A prospectively collected endocrine surgery database in our institution was reviewed for all patients with FVPTC on surgical pathology from 1999 to 2012...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28806249/epidural-metastases-from-follicular-thyroid-cancer-mimicking-meningiomas-in-68ga-dotatate-pet
#2
Marcus Unterrainer, Harun Ilhan, Andrei Todica, Peter Bartenstein, Nathalie Lisa Albert
We report a woman with multifocal lesions suggestive of meningiomas in MRI, which also presented with high Ga-DOTATATE uptake in PET, a finding characteristic for meningioma. A whole-body staging due to a pathological fracture revealed multiple neoplastic lesions throughout the body without detection of a primary site. Subsequent pathological workup of a lung lesion revealed multifocal metastases from follicular thyroid cancer despite thyroidectomy 10 years ago (without pathological finding), and posttreatment scans after radioiodine therapy confirmed the multiple brain lesions to be metastases as well...
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28801060/prognostic-markers-in-well-differentiated-papillary-and-follicular-thyroid-cancer-wdtc
#3
REVIEW
S L Gillanders, J P O'Neill
OBJECTIVES: WDTC (papillary and follicular thyroid cancer) make up around 90% of all thyroid tumours. Overall, the prognosis in patients with WDTC is excellent. However, there are small cohorts of patients who experience a more aggressive form of disease which is often associated with certain poor prognostic factors. Identifying these patients at an early stage is imperative for guiding treatment decisions. With recent developments in this area we plan to discuss the current evidence surrounding prognostic markers...
August 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28780248/invasive-follicular-variant-of-papillary-thyroid-cancer-harboring-the-nras-mutation-q61k-and-presenting-with-bone-metastasis-a-case-report
#4
Raman Mehrzad, Michiya Nishino, Carmelo Nucera, Dora Dias-Santagata, James V Hennessey, Per-Olof Hasselgren
INTRODUCTION: The follicular variant of papillary thyroid cancer (FVPTC) can be noninvasive or invasive. The invasive form of FVPTC commonly harbors BRAF mutations whereas RAS mutations are more often associated with noninvasive FVPTC and a favorable clinical outcome. CASE REPORT: A 47-year-old man presented with a metastasis to his right iliac bone as the initial manifestation of a 1.6cm invasive FVPTC. After total thyroidectomy, the patient underwent additional treatment, including thyroid hormone suppressive treatment to non-detectable TSH levels, repeated courses of radioiodine treatment, external beam radiation, and treatment with the tyrosine kinase inhibitor sorafenib...
July 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28770959/the-expression-and-function-of-long-noncoding-rna-lncrna-atb-in-papillary-thyroid-cancer
#5
X-M Fu, W Guo, N Li, H-Z Liu, J Liu, S-Q Qiu, Q Zhang, L-C Wang, F Li, C-L Li
OBJECTIVE: This study aimed to investigate the expression and clinical significances of long noncoding RNA-ATB (lncRNA-ATB) in papillary thyroid cancer (PTC), and to explore the roles of lncRNA-ATB in PTC cell proliferation and migration. PATIENTS AND METHODS: The expression of lncRNA-ATB in 64 PTC tissues and paired adjacent noncancerous thyroid tissues was measured. The association between lncRNA-ATB expression and clinicopathological characteristics was analyzed by Pearson X2...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28762013/the-role-of-micrornas-in-different-types-of-thyroid-carcinoma-a-comprehensive-analysis-to-find-new-mirna-supplementary-therapies
#6
REVIEW
S Pishkari, M Paryan, M Hashemi, E Baldini, S Mohammadi-Yeganeh
The most common endocrine malignancy is thyroid cancer, and researchers have made a great deal of progress in deciphering its molecular mechanisms in the recent years. Many of molecular changes observed in thyroid cancer can be used as biomarkers for diagnosis, prognosis, and therapeutic targets for treatment. MicroRNAs (miRNAs) are important parts in biological and metabolic pathways such as regulation of developmental stages, signal transduction, cell maintenance, and differentiation. Therefore, their dysregulation can expose individuals to malignancies...
July 31, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28757314/using-ion-torrent-sequencing-to-study-genetic-mutation-profiles-of-fatal-thyroid-cancers
#7
Jin-Ying Lu, Wern-Cherng Cheng, Kuen-Yuan Chen, Chia-Chi Lin, Ching-Chung Chang, Kuan-Ting Kuo, Pei-Lung Chen
BACKGROUND/PURPOSE: Surgery followed by radioiodine is a mainstay of treatment for thyroid cancers of follicular origins. However, about 5% of the thyroid cancers are non-operable and/or radioiodine-refractory diseases, which are either locally advanced or metastatic and result in a survival of less than 5 years. How to treat this population of thyroid cancer patients becomes a critical issue requiring further understanding of the tumor's genetic information. METHODS: We used formalin-fixed paraffin-embedded specimens of 22 fatal thyroid cancers and their corresponding non-tumor parts, if available, to yield genomic DNA, and applied the Ion Torrent™ Personal Genome Machine (IT-PGM) System (Life Technologies), a next generation sequencing technology, to interrogate 740 mutational hotspots in 46 oncogenes...
July 27, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28746753/letter-to-the-editor-reply-to-ultrasonography-and-cytology-as-predictors-of-noninvasive-follicular-thyroid-niftp-neoplasm-with-papillary-like-nuclear-features-importance-of-the-differential-diagnosis-with-the-invasive-encapsulated-follicular-variant-of-papillary
#8
Jung Hee Shin
As Dr. Rosario pointed out, it might be more useful to differentiate NIFTP from invasive encapsulated follicular variant of papillary thyroid carcinoma (iE-FVPTC), not from infiltrative FVPTC (I-FVPTC) in clinical setting since infiltrative FVPTCs show overt malignant US features more frequently. However, in the previous study, we attempted to describe the characteristic ultrasound (US) features and diagnostic method of NIFTP specifically. This article is protected by copyright. All rights reserved.
July 26, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28744725/impact-of-major-different-variants-of-papillary-thyroid-microcarcinoma-on-the-clinicopathological-characteristics-the-study-of-1041-cases
#9
Jingtai Zhi, Jingzhu Zhao, Ming Gao, Yi Pan, Jianghua Wu, Yigong Li, Dapeng Li, Yang Yu, Xiangqian Zheng
BACKGROUND: The incidence of papillary thyroid microcarcinoma (PTMC) has been increasing globally in the past few decades. PTMC does not have a distinctive morphology that results in differences in biological behavior. The aim of this study was to classify PTMCs according to the morphological features and explore the relationship with clinicopathological characteristics. Additionally, we sought to evaluate whether different variants of PTMC can be an independent predictor for lymph mode metastasis when considering other risk factors...
July 25, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28736886/size-of-thyroid-carcinoma-by-histotype-and-variants-a-population-based-study-in-a-mildly-iodine-deficient-area
#10
Michela Marina, Gian Paolo Ceda, Luigi Corcione, Paolo Sgargi, Maria Michiara, Enrico Maria Silini, Graziano Ceresini
BACKGROUND: Data relating the size of thyroid cancer with histological types and variants are scarce. METHODS: All incident thyroid cancer diagnosed between 2003 and 2012 in a mildly iodine-deficient area were derived from a population-based tumor registry. Undifferentiated/anaplastic thyroid cancer and incidental cases were excluded. Major diameter of thyroid cancer, as assessed by pathological examination, was stratified in classes: ≤10 mm; 11-20 mm; 21-40 mm; and >40 mm...
July 24, 2017: Head & Neck
https://www.readbyqxmd.com/read/28733522/abi3-a-component-of-the-wave2-complex-is-potentially-regulated-by-pi3k-akt-pathway
#11
Lais Moraes, Nilson I T Zanchin, Janete M Cerutti
We previously reported that ABI3 expression is lost in follicular thyroid carcinomas and its restoration significantly inhibited cell growth, invasiveness, migration, and reduced tumor growth in vivo. The mechanistic basis by which ABI3 exerts its tumor suppressive effects is not fully understood. In this study, we show that ABI3 is a phosphoprotein. Using proteomic array analysis, we showed that ABI3 modulated distinct cancer-related pathways in thyroid cancer cells. The KEA analysis found that PI3K substrates were enriched and forced expression of ABI3 markedly decreased the phosphorylation of AKT and the downstream-targeted protein pGSK3β...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28730964/ccl2-is-modulated-by-cytokines-and-ppar-g-in-anaplastic-thyroid-cancer
#12
Silvia Martina Ferrari, Giusy Elia, Simona Piaggi, Enke Baldini, Salvatore Ulisse, Mario Miccoli, Gabriele Materazzi, Alessandro Antonelli, Poupak Fallahi
BACKGROUND AND OBJECTIVE: Chemokine (C-C motif) ligand (CCL)2, the prototype Th2 chemokine, is secreted by tumor cells, and has growth promoting effects. Whether CCL2 protumorigenic activities will be validated, then CCL2 and its receptor CCR2 may be therapeutic targets in cancer. METHODS: We tested in "primary human anaplastic thyroid carcinoma (ATC) cells" (ANA) versus "normal thyroid follicular cells" (TFC): a) CCL2 secretion basally, after IFN-g and/or TNF-a stimulation; b) PPARg activation by thiazolidinediones (TZDs), rosiglitazone or pioglitazone, on CCL2 secretion, and on proliferation and apoptosis in ANA...
July 19, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28727740/genetically-engineered-suicide-gene-in-mesenchymal-stem-cells-using-a-tet-on-system-for-anaplastic-thyroid-cancer
#13
Senthilkumar Kalimuthu, Ji Min Oh, Prakash Gangadaran, Liya Zhu, Ho Won Lee, Yong Hyun Jeon, Shin Young Jeong, Sang-Woo Lee, Jaetae Lee, Byeong-Cheol Ahn
Anaplastic thyroid cancer (ATC) is the most aggressive malignancy of the thyroid, during which undifferentiated tumors arise from the thyroid follicular epithelium. ATC has a very poor prognosis due to its aggressive behavior and poor response to conventional therapies. Gene-directed enzyme/prodrug therapy using genetically engineered mesenchymal stromal cells (MSC) is a promising therapeutic strategy. The doxycycline (DOX)-controlled Tet inducible system is the most widely utilized regulatory system and could be a useful tool for therapeutic gene-based therapies...
2017: PloS One
https://www.readbyqxmd.com/read/28717394/immunohistochemical-expression-of-er-%C3%AE-and-pr-in-papillary-thyroid-carcinoma
#14
Marwa Mohammed Serag Eldien, Asmaa Gaber Abdou, Tarek Rageh, Eman Abdelrazek, Enas Elkholy
Papillary thyroid carcinoma (PTC) is the most common thyroid cancer with multiple risk factors including exposure to ionising radiation. Oestrogens contribute to papillary carcinoma development by promoting cell proliferation and invasion of mutated epithelial follicular cells. The present study aimed to assess ER-α and PR expression in PTC and to correlate their expression with the clinicopathological parameters in this cancer. This study included 62 primary and six metastatic papillary thyroid carcinoma cases...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28714532/thyroid-nodules-classified-as-atypia-or-follicular-lesions-of-undetermined-significance-deserve-further-research-analysis-of-305-surgically-confirmed-nodules
#15
S Turkyilmaz, M Ulusahin, B Celebi, A B Cekic, S Mungan, U Kucuktulu, A Tasdelen, A Guner, A Cinel
OBJECTIVE: The objective of the present study was to determine the malignancy risk for nodules categorised as atypia or follicular lesions of undetermined significance atypia of undetermined significance/follicular lesion of undetermined significance (AUS/FLUS) and to investigate the predictors of malignancy. METHODS: All nodules diagnosed as AUS/FLUS on fine needle aspiration (FNAs) performed between January 2011 and December 2015 were retrospectively reviewed...
July 17, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28711609/the-epigenetic-landscape-of-differentiated-thyroid-cancer
#16
REVIEW
Sylvia L Asa, Shereen Ezzat
Differentiated thyroid carcinoma of follicular cell-derivation is the most common endocrine neoplasm with a rapidly increasing incidence. The majority represent papillary carcinomas; more rarely, they are follicular carcinomas. The vast majority have indolent behavior, however a significant proportion progress to develop lymph node metastases and a smaller proportion disseminate systemically. While common and frequent genetic events have been described to underlie the development of these neoplasms, the factors contributing to differing behaviors among tumors with similar genetic alterations remain unclear...
July 12, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28710706/synchronous-and-metastatic-papillary-and-follicular-thyroid-carcinomas-with-unique-molecular-signatures
#17
Vincent Cracolici, Ibro Mujacic, Sabah Kadri, Mir Alikhan, Nifang Niu, Jeremy P Segal, Lauren E Rosen, David H Sarne, Adam Morgan, Samy Desouky, Nicole A Cipriani
Despite the relatively high prevalence of thyroid cancer, the occurrence of multiple synchronous, distinct subtypes of primary thyroid carcinoma is uncommon. The incidental finding of papillary thyroid microcarcinoma in a gland with a biologically relevant follicular or medullary carcinoma is more frequent than the synchronous occurrence of multiple clinically significant carcinomas. We report a case of synchronous papillary and follicular thyroid carcinomas metastatic to lymph node and bone, respectively. Next generation sequencing showed BRAF V600E mutation in the primary papillary carcinoma and NRAS Q61R mutation in the primary follicular carcinoma and bony metastasis...
July 14, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28704099/long-term-outcomes-and-prognostic-factors-in-patients-with-differentiated-thyroid-cancer-and-distant-metastases
#18
Dania Hirsch, Sigal Levy, Gloria Tsvetov, Alexander Gorstein, Ilana Slutzky-Shraga, Amit Akirov, Eyal Robenshtok, Ilan Shimon, Carlos A Benbassat
OBJECTIVE: Distant metastatic spread is the most frequent cause of thyroid cancer-related death. The objective of this study was to evaluate overall and disease-related survival of patients with differentiated thyroid cancer (DTC) and distant metastases (DM) attending a single medical center and to investigate variables predictive of better long-term outcomes. METHODS: The Rabin Medical Center Thyroid Cancer Registry was searched for patients with DM from DTC. RESULTS: The cohort included 138 patients (58...
July 13, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28701709/psma-expression-by-microvasculature-of-thyroid-tumors-potential-implications-for-psma-theranostics
#19
Andrey Bychkov, Usanee Vutrapongwatana, Supatporn Tepmongkol, Somboon Keelawat
Prostate-specific membrane antigen (PSMA) is overexpressed in prostate cancer epithelium, making it a promising target for molecular imaging and therapy. Recently, several studies found unexpected PSMA radiotracer uptake by thyroid tumors, including radioiodine-refractory (RAIR) cancers. PSMA expression was reported in tumor-associated endothelium of various malignancies, however it has not been systematically addressed in thyroid tumors. We found that PSMA was frequently expressed in microvessels of thyroid tumors (120/267), but not in benign thyroid tissue...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28699989/deaths-related-to-differentiated-thyroid-cancer-a-rare-but-real-event
#20
Ana Kober N Leite, Beatriz G Cavalheiro, Marco Aurélio Kulcsar, Ana de Oliveira Hoff, Lenine G Brandão, Claudio Roberto Cernea, Leandro L Matos
Objective: The present study describes the clinical and tumor characteristics of patients that died from differentiated thyroid cancer and reports on the cause and circumstances of death in these cases. Subjects and methods: Retrospective analysis of all the differentiated thyroid cancer (DTC) related deaths at a single institution over a 5-year period, with a total of 33 patients. Results: Most of the patients were female (63.6%), with a mean age at diagnosis of 58...
May 2017: Archives of Endocrinology and Metabolism
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