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Follicular Thyroid Carcinoma

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https://www.readbyqxmd.com/read/29456936/bone-metastases-in-follicular-carcinoma-of-thyroid
#1
Pooja Pal, Bikramjit Singh, Shubhada Kane, Pankaj Chaturvedi
Though the association between follicular carcinoma and bone metastasis is well established, the site-wise distribution is not known. One hundred seventy-three patients of follicular carcinoma presenting between 2003 and 2011 were selected from 1093 patients of follicular lesions presenting at a single institution. Of these, 59 (34%) with bone metastasis were included in the study. Fifty of the 59 patients (84.7%) had metastasis at presentation, while 9 developed bone metastasis during follow-up. Sixty-one percent had solitary metastasis, 15 (25...
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29455338/extracellular-atp-is-differentially-metabolized-on-papillary-thyroid-carcinoma-cells-surface-in-comparison-to-normal-cells
#2
Ana Paula Santin Bertoni, Rafael Paschoal de Campos, Marisa Tsao, Elizandra Braganhol, Tania Weber Furlanetto, Márcia Rosângela Wink
The incidence of differentiated thyroid cancer has been increasing. Nevertheless, its molecular mechanisms are not well understood. In recent years, extracellular nucleotides and nucleosides have emerged as important modulators of tumor microenvironment. Extracellular ATP is mainly hydrolyzed by NTPDase1/CD39 and NTPDase2/CD39L1, generating AMP, which is hydrolyzed by ecto-5'-nucleotidase (CD73) to adenosine, a possible promoter of tumor growth and metastasis. There are no studies evaluating the expression and functionality of these ectonucleotidases on normal or tumor-derived thyroid cells...
February 17, 2018: Cancer Microenvironment: Official Journal of the International Cancer Microenvironment Society
https://www.readbyqxmd.com/read/29453554/in-vitro-studies-of-dna-damage-and-repair-mechanisms-induced-by-bnct-in-a-poorly-differentiated-thyroid-carcinoma-cell-line
#3
C Rodriguez, M Carpano, P Curotto, S Thorp, M Casal, G Juvenal, M Pisarev, M A Dagrosa
Boron neutron capture therapy (BNCT) for aggressive tumors is based on nuclear reaction [ 10 B (n, α) 7 Li]. Previously, we demonstrated that BNCT could be applied for the treatment of undifferentiated thyroid carcinoma. The aim of the present study was to describe the DNA damage pattern and the repair pathways that are activated by BNCT in thyroid cells. We analyzed γH2AX foci and the expression of Ku70, Rad51 and Rad54, main effector enzymes of non-homologous end joining (NHEJ) and homologous recombination repair (HRR) pathways, respectively, in thyroid follicular carcinoma cells...
February 16, 2018: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/29451347/a-rare-case-of-ectopic-papillary-thyroid-carcinoma-transformed-into-squamous-cell-carcinoma
#4
Hironao Yasuoka, Yasushi Nakamura, Ken-Ichi Yoshida, Toshiro Shimo, Masayuki Tori, Yuuki Matsui, Yasushi Sakamaki, Masahiko Tsujimoto
A rare case of a metastatic ectopic papillary thyroid carcinoma (PTC) of the lung that transformed into a squamous cell carcinoma (SCC) that resembles pulmonary SCC is reported. A subcutaneous ectopic PTC in the left anterior neck area, together with a normal thyroid gland, were excised. The ectopic PTC showed thyroglobulin, TTF-1 and PAX-8 immunoreactivity and a BRAF V600E mutation. During the post-operative follow-up period, a rapidly growing 2 cm nodular lesion in the lower left lobe of the lung was detected...
February 16, 2018: Pathology International
https://www.readbyqxmd.com/read/29446856/thyroid-carcinoma-producing-%C3%AE-human-chorionic-gonadotropin-shows-different-clinical-behavior
#5
Haiyan Gu, Shaofeng Sui, Xiujie Cui, Bo Han, Chunyan Zhang, Mei Qi, Congcong Li, Zhiyan Liu
Columnar cell variant of papillary thyroid carcinoma (CCV-PTC) is an unusual neoplasm, the clinical behavior of which mainly depends on the encapsulation or infiltration. Patients with extensive extrathyroidal extension usually have an aggressive biological behavior. This study confirmed that beta-human chorionic gonadotropin (β-hCG) secreting invasive CCV-PTC has good prognosis comparing with a cohort of follicular cell differentiated thyroid carcinoma. On the contrary, positive immunoreaction with β-hCG was proved in three anaplastic thyroid carcinoma patients showing aggressive clinical courses...
February 15, 2018: Pathology International
https://www.readbyqxmd.com/read/29445865/risk-of-recurrence-in-a-homogeneously-managed-pt3-differentiated-thyroid-carcinoma-population
#6
Nathalie Chereau, Etienne Dauzier, Gaëlle Godiris-Petit, Séverine Noullet, Isabelle Brocheriou, Laurence Leenhardt, Camille Buffet, Fabrice Menegaux
BACKGROUND: International guidelines for the management of differentiated thyroid cancers are based on the 7th TNM classification: pT3 tumors are defined as differentiated thyroid cancers (DTCs) measuring more than 4 cm in their greatest dimension that are limited to the thyroid or any tumor with minimal extrathyroidal extension (ETE; sternothyroid muscle or perithyroid soft tissues). Differences in clinicohistological features and prognosis among patients with pT3 tumors remain controversial, and studies regarding pT3 subgroups are lacking...
February 14, 2018: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29442477/role-of-thyroid-ultrasound-combined-with-thyroglobulin-in-the-diagnosis-of-postoperative-recurrence-of-thyroid-cancer
#7
Li Zhang, Guilan Zou
BACKGROUND: To study the application value of thyroid ultrasound combined with thyroglobulin (Tg) in the diagnosis of postoperative recurrence of thyroid cancer, so as to provide a reference for clinical practice. METHODS: 80 patients with thyroid cancer who underwent operative treatment for more than 2 times in our hospital from January 2014 to December 2016 were selected as the objects of study. After operation, residual thyroid tissues were removed via131 iodine (131 I)treatment, the serum Tg and thyroid globulin antibody (TgAb) were detected, and the cervical ultrasound was performed...
February 13, 2018: Minerva Endocrinologica
https://www.readbyqxmd.com/read/29439613/occurrence-of-endocrine-and-thyroid-cancers-among-alaska-native-people-1969-2013
#8
Sarah H Nash, Anne P Lanier, Molly B Southworth
BACKGROUND: Nationwide, the incidence of thyroid cancer is lower among American Indian/Alaska Native (AI/AN) people than among U.S. whites (USW). However, little is known about the incidence of thyroid, or other endocrine cancers specifically among Alaska Native (AN) people. METHODS: We examined data from the National Cancer Institute's (NCI) Surveillance Epidemiology and End Results (SEER) Alaska Native Tumor Registry on endocrine cancers diagnosed among AN people from 1969-2013, with a specific focus on thyroid cancers...
February 14, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29439609/-i-braf-i-and-i-ras-i-mutational-status-in-non-invasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-and-invasive-subtype-of-encapsulated-follicular-variant-of-papillary-thyroid-carcinoma-in-korea
#9
Mijin Kim, MinJi Jeon, Hye-Seon Oh, Suyeon Park, Tae Yong Kim, YoungKee Shong, Won Bae Kim, Kyunggon Kim, Won Gu Kim, Dong Eun Song
BACKGROUND: Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is an indolent thyroid tumor previously known as non-invasive subtype of encapsulated follicular variant of papillary thyroid carcinoma (EFVPTC). The absence of <i>BRAF<sup>V600E</sup></i> mutations has been considered characteristic of NIFTPs. However, a recent study from Korea found that 28.6% of NIFTPs harbored a <i>BRAF</i> mutation. In this study, we evaluated <i>BRAF</i> and <i>RAS</i> mutations in NIFTPs and invasive subtype of EFVPTCs...
February 14, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29439059/noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features
#10
Isabel Amendoeira, Tiago Maia, M Sobrinho-Simões
The 2017 edition of the WHO book on Classification of Tumours of Endocrine Organs includes a new section entitled "Other encapsulated follicular-patterned thyroid tumours", in which the newly created NIFTP (Non-invasive follicular thyroid neoplasm with papillary-like nuclear features) is identified and detailed described. Despite deleting the word "carcinoma" from its name, NIFTP is not a benign tumor either, and is best regarded as a neoplasm with "very low malignant potential"...
February 9, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29438531/characteristics-of-follicular-variant-papillary-thyroid-carcinoma-in-a-pediatric-cohort
#11
S L Samuels, L F Surrey, C P Hawkes, M Amberge, S Mostoufi-Moab, J E Langer, N S Adzick, K Kazahaya, T Bhatti, Z Baloch, V A LiVolsi, A J Bauer
Context: In adults, non-invasive follicular variant papillary thyroid carcinoma (FVPTC) is considered low risk for metastasis and persistent/recurrent disease. Objective: The goal of this study was to assess the clinical, sonographic, and histopathological features of FVPTC in a pediatric cohort. Design: A retrospective review of subjects < 19 years of age with papillary thyroid carcinoma (PTC) who underwent thyroidectomy between January 2010 and July 2015...
February 8, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29433918/comparison-of-clinical-characteristics-of-patients-with-follicular-thyroid-carcinoma-and-h%C3%A3-rthle-cell-carcinoma
#12
Ander Ernaga Lorea, Iranzu Migueliz Bermejo, Emma Anda Apiñániz, Javier Pineda Arribas, Marta Toni García, Juan Pablo Martínez de Esteban, Ana María Insausti Serrano
INTRODUCTION: Hürthle cell carcinoma (HCC) is an uncommon thyroid cancer historically considered to be a variant of follicular thyroid carcinoma (FTC). The aim of this study was to assess the differences between these groups in terms of clinical factors and prognoses. PATIENTS AND METHODS: A total of 230 patients (153 with FTC and 77 with HCC) with a median follow-up of 13.4 years were studied. The different characteristics were compared using SPSS version 20 statistical software...
February 9, 2018: Endocrinología, Diabetes y Nutrición
https://www.readbyqxmd.com/read/29429327/preoperative-cytologic-diagnosis-of-warthin-like-tumor-variant-of-papillary-thyroid-carcinoma
#13
Jisup Kim, Beom Jin Lim, Soon Won Hong, Ju Yeon Pyo
Background: Warthin-like variant of papillary thyroid carcinoma (WLV-PTC) is a relatively rare variant of papillary thyroid carcinoma with favorable prognosis. However, preoperative diagnosis using fine-needle aspiration (FNA) specimens is challenging especially with lymphocytic thyroiditis characterized by Hürthle cells and lymphocytic background. To determine a helpful cytological differential point, we compared WLV-PTC FNA findings with conventional papillary thyroid carcinoma with lymphocytic thyroiditis (PTC-LT) and conventional papillary thyroid carcinoma without lymphocytic thyroiditis (PTC) regarding infiltrating inflammatory cells and their distribution...
February 12, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29424960/the-impact-of-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-on-the-rate-of-malignancy-for-atypia-of-undetermined-significance-subcategories
#14
Jen-Fan Hang, William H Westra, Amy G Zhou, David S Cooper, Syed Z Ali
BACKGROUND: The recent revision in terminology, with noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) replacing noninvasive follicular variant of papillary thyroid carcinoma, has reclassified the clinically indolent tumor as nonmalignant. The objective of this study was to evaluate the impact of this change on the rate of malignancy (ROM) for subcategories of an atypia of undetermined significance (AUS) diagnosis on fine-needle aspiration (FNA) cytology...
February 9, 2018: Cancer Cytopathology
https://www.readbyqxmd.com/read/29424371/incidental-thyroid-carcinoma-in-patients-with-tir1-tir2-and-tir3-fna
#15
Angela Pezzolla, Serafina Lattarulo, Graziana Barile, Daniele Paradies, Giuseppe Pentassuglia, Francesco Prete, Rinaldo Marzaioli
AIM: The aim of our study was to evaluate the presence of incidental differentiated thyroid carcinomas, at final histological examination, in patients undergoing thyroidectomy or lobectomy for presumed benign pathology or in those with cytological diagnosis of indeterminate nodules (TIR3). MATERIAL OF STUDY: 457 patients who underwent surgery for benign disease and 179 patients with indeterminate FNA were included in our study. RESULTS: 77 out of 457 patients had the diagnosis of differentiated thyroid carcinoma...
February 9, 2018: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29414395/nuclear-features-of-papillary-thyroid-carcinoma-comparison-of-core-needle-biopsy-and-thyroidectomy-specimens
#16
Jae Yeon Seok, Jungsuk An, Hyun Yee Cho, Younghye Kim, Seung Yeon Ha
BACKGROUND: Core needle biopsy (CNB) has been used as an alternative or a complementary method for diagnosis of thyroid nodules. However, morphological analysis of the nuclear features of papillary thyroid carcinoma (PTC) cells obtained via CNB remains unclear. Hence, we examined the differences between the PTC nuclear features in CNB and thyroidectomy specimens. METHODS: Ten PTC patients, who underwent both CNB and thyroidectomy, were selected. Microscopic photographs of three representative areas of the PTC and adjacent parenchyma were taken...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29408504/autocrine-activation-of-platelet-derived-growth-factor-receptor-alpha-in-metastatic-papillary-thyroid-cancer
#17
Esther Ekpe Adewuyi, Jean Deschenes, Ana Lopez-Campistrous, Mireille Kattar, Sunita Ghosh, Todd P W McMullen
Metastatic dissemination of papillary thyroid cancer has been reported to be strongly associated with expression of platelet derived growth factor alpha (PDGFRα) and altered TTF1 function. However, the status of PDGF ligands in papillary thyroid cancer and the potential role of these ligands in metastatic disease are obscure. We assessed the prevalence of PDGF ligands in benign and malignant thyroid tumors to determine if ligand up-regulation is associated with alpha-isoform (PDGF-AA or PDGF-BB) or the beta-isoform (PDGF-BB or PDGF-DD) of PDGFR in individual tumors...
February 1, 2018: Human Pathology
https://www.readbyqxmd.com/read/29406334/hmga2-gene-expression-in-fine-needle-aspiration-samples-of-thyroid-nodules-as-a-marker-for-preoperative-diagnosis-of-thyroid-cancer
#18
Ivan Šamija, Neven Mateša, Sanja Kožaj, Ivana Majstorović, Ante Bolanča, Zvonko Kusić
There is a great interest in molecular markers that would help in the preoperative diagnosis of malignant thyroid nodules in cases of indeterminate fine-needle aspiration cytology. The aim of this study was to determine the diagnostic accuracy of HMGA2 gene expression in discriminating benign from malignant thyroid nodules. In this study, 237 preoperative thyroid fine-needle aspiration samples were analyzed prospectively for the expression of the HMGA2 gene by real-time reverse transcription polymerase chain reaction...
February 5, 2018: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29403166/galectin-3-and-hbme-1-expression-on-agarose-cell-blocks-from-fine-needle-aspirates-of-follicular-cell-derived-thyroid-tumors
#19
E Abu-Sinna, M Y Hasan, M M El-Deftar, S A Amer, L O Abdelsalam, J A Nakhla
Aim: To test the expression of galectin-3 (gal-3) and Hector Battifora mesothelial antigen-1 (HBME-1) on agarose cell blocks (CBs) of fine-needle aspirates aiming to determine their diagnostic value in thyroid follicle cell-derived tumors. Materials and Methods: Forty patients with thyroid nodule were enrolled. Fine-needle aspiration biopsy was done and processed to produce smears and CBs. Immune staining was done on CBs using antibodies to gal-3 and HBME-1. Diagnostic value of tests was determined in comparison to pathology...
January 2018: Journal of Cytology
https://www.readbyqxmd.com/read/29396809/molecular-testing-of-nodules-with-a-suspicious-or-malignant-cytologic-diagnosis-in-the-setting-of-non-invasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-niftp
#20
Kyle C Strickland, Markus Eszlinger, Ralf Paschke, Trevor E Angell, Erik K Alexander, Ellen Marqusee, Matthew A Nehs, Vickie Y Jo, Alarice Lowe, Marina Vivero, Monica Hollowell, Xiaohua Qian, Tad Wieczorek, Christopher A French, Lisa A Teot, Edmund S Cibas, Neal I Lindeman, Jeffrey F Krane, Justine A Barletta
Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is an indolent thyroid tumor characterized by frequent RAS mutations and an absence of the BRAF V600E mutation commonly seen in classical papillary thyroid carcinoma (cPTC). The ability to differentiate potential NIFTP/follicular variant of papillary thyroid carcinoma (FVPTC) from cPTC at the time of fine-needle aspiration (FNA) can facilitate conservative management of NIFTP. The aim of the current study was to investigate how molecular testing may add to cytologic assessment in the pre-operative differentiation of potential NIFTP/FVPTC and cPTC...
February 2, 2018: Endocrine Pathology
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