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Medullary thyroid cancer

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https://www.readbyqxmd.com/read/28326742/comparative-assessment-of-calcitonin-stimulation-test-using-calcium-gluconate-and-pentagastrin-and-the-usefulness-of-procalcitonin-basic-and-post-stimulation-concentrations-in-the-diagnosis-of-patients-after-surgery-for-medullary-thyroid-cancer
#1
(no author information available yet)
OBJECTIVES: The aim of the study was to compare the calcitonin (CT) stimulation tests with tests of calcium gluconate (CaG) and pentagastrin (PG), their tolerance and usefulness of PCT in the patients' diagnosis with active Medullary thyroid cancer (MCT) after thyroidectomy. METHODS: CT was marked in serum by the immunosorbent sandwich test. PCT was marked by the immunosorbent sandwich test, with the final reading of fluorenscence. PG was given intravenously at a dose of 0...
December 22, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28324052/skeletal-complications-and-mortality-in-thyroid-cancer-a-population-based-study
#2
Palak Choksi, Maria Papaleontiou, Cui Guo, Francis Worden, Mousumi Banerjee, Megan Haymart
Context: Although bone is a common site for tumor metastases, the burden of bone events (bone metastases and skeletal-related events (SREs)) in patients with thyroid cancer is not well known. Objective: To measure the prevalence of bone events and their impact on mortality in patients with thyroid cancer. Patients, Design, and Setting: We identified patients diagnosed with thyroid cancer between 1991-2011 from the linked Surveillance Epidemiology and End Results-Medicare (SEER-Medicare) dataset...
January 25, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28318881/targeted-therapy-in-thyroid-cancer-state-of-the-art
#3
L Valerio, L Pieruzzi, C Giani, L Agate, V Bottici, L Lorusso, V Cappagli, L Puleo, A Matrone, D Viola, C Romei, R Ciampi, E Molinaro, R Elisei
Thyroid cancer typically has a good outcome following standard treatments, which include surgery, radioactive iodine ablation for differentiated tumours and treatment with thyrotropine hormone-suppressive levothyroxine. Thyroid cancers that persist or recur following these therapies have a poorer prognosis. Cytotoxic chemotherapy or external beam radiotherapy has a low efficacy in these patients. 'Target therapy' with tyrosine kinase inhibitors (TKIs) represent an important therapeutic option for the treatment of advanced cases of radioiodine refractory (RAI-R) differentiated thyroid cancer (DTC), medullary thyroid cancer (MTC) and possibly for cases of poorly differentiated (PDTC) and anaplastic thyroid cancer (ATC)...
March 16, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28315378/epigenetic-regulation-of-ret-receptor-tyrosine-kinase-and-non-coding-rnas-in-mtc
#4
Lauren Jin Suk Joo, Jing Ting Zhao, Matti L Gild, Anthony R Glover, Stan B Sidhu
Medullary thyroid carcinoma (MTC) is an aggressive and rare cancer with limited treatment options for metastatic disease. Due to this, there is a need for a better understanding of MTC biology in the hope of improved treatments. One area of improved understanding of cancer biology is epigenetics. Epigenetics is defined as cellular processes which alter gene expression independent of changes in the primary DNA sequence. These processes include modifications such as DNA methylation, microRNA deregulation and post-translational histone modifications, all of which have been implicated in tumorigenesis of MTC...
March 14, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28314327/thyroid-cancer-in-the-pediatric-age-in-sicily-influence-of-the-volcanic-environment
#5
Marco Russo, Pasqualino Malandrino, Mariacarla Moleti, Antonio D'Angelo, Martina Tavarelli, Giulia Sapuppo, Fiorenza Giani, Pierina Richiusa, Sebastiano Squatrito, Riccardo Vigneri, Gabriella Pellegriti
BACKGROUND/AIM: Pediatric thyroid cancer (TC) is rare but its incidence is increasing. We analyzed incidence and characteristics of pediatric TC in Sicily and comparatively evaluated data from the volcanic and non-volcanic areas. MATERIALS AND METHODS: All incident pediatric (0-19 years) TCs in Sicily between 2002-2009 were analyzed for the area of residence and compared to data for adults. RESULTS: A total of 54 differentiated TCs (DTC) and nine medullary TCs were diagnosed in Sicily in children between 2002-2009...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28301826/a-multicenter-phase-ii-study-of-sunitinib-in-patients-with-locally-advanced-or-metastatic-differentiated-anaplastic-or-medullary-thyroid-carcinomas-mature-data-from-the-thysu-study
#6
Alain Ravaud, Christelle de la Fouchardière, Philippe Caron, Adelaïde Doussau, Christine Do Cao, Julien Asselineau, Patrice Rodien, Damien Pouessel, Patricia Nicolli-Sire, Marc Klein, Claire Bournaud-Salinas, Jean-Louis Wemeau, Anne Gimbert, Marie-Quitterie Picat, Delphine Pedenon, Laurence Digue, Amaury Daste, Bogdan Catargi, Jean-Pierre Delord
PURPOSE: Patients with advanced radioactive iodine resistant differentiated (MDTC) or medullary (MMTC) thyroid cancer had an unmet need. Early data showed promising efficacy of vascular endothelial growth factor receptor inhibitors. We investigated sunitinib in this setting. PATIENTS AND METHODS: This phase 2 trial enrolled MDTC, anaplastic (MATC) and MMTC patients in 1st line anti-angiogenic therapy with sunitinib at 50 mg/d, 4/6w. Objective response rate was the primary end-point...
March 13, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28299283/lenvatinib-for-anaplastic-thyroid-cancer
#7
Makoto Tahara, Naomi Kiyota, Tomoko Yamazaki, Naoko Chayahara, Kenji Nakano, Lina Inagaki, Kazuhisa Toda, Tomohiro Enokida, Hironobu Minami, Yoshinori Imamura, Tatsuya Sasaki, Takuya Suzuki, Katsuki Fujino, Corina E Dutcus, Shunji Takahashi
BACKGROUND: Lenvatinib has been approved by regulatory agencies in Japan, the United States, and the European Union for treatment of radioiodine-refractory differentiated thyroid cancer (RR-DTC). Thyroid cancer, however, is a clinically diverse disease that includes anaplastic thyroid cancer (ATC), the subtype associated with the highest lethality. Effective therapy for ATC is an unmet need. PATIENTS AND METHODS: This phase 2, single-arm, open-label study in patients with thyroid cancer, including ATC, RR-DTC, and medullary thyroid cancer was conducted from 3 September 2012 to 9 July 2015...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28295000/current-status-of-radiopharmaceuticals-for-the-theranostics-of-neuroendocrine-neoplasms
#8
REVIEW
Melpomeni Fani, Petra Kolenc Peitl, Irina Velikyan
Nuclear medicine plays a pivotal role in the management of patients affected by neuroendocrine neoplasms (NENs). Radiolabeled somatostatin receptor analogs are by far the most advanced radiopharmaceuticals for diagnosis and therapy (radiotheranostics) of NENs. Their clinical success emerged receptor-targeted radiolabeled peptides as an important class of radiopharmaceuticals and it paved the way for the investigation of other radioligand-receptor systems. Besides the somatostatin receptors (sstr), other receptors have also been linked to NENs and quite a number of potential radiolabeled peptides have been derived from them...
March 15, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28294124/corrigendum-differences-in-the-transcriptome-of-medullary-thyroid-cancer-regarding-the-status-and-type-of-ret-gene-mutations
#9
Malgorzata Oczko-Wojciechowska, Michal Swierniak, Jolanta Krajewska, Malgorzata Kowalska, Monika Kowal, Tomasz Stokowy, Bartosz Wojtas, Dagmara Rusinek, Agnieszka Pawlaczek, Agnieszka Czarniecka, Sylwia Szpak-Ulczok, Tomasz Gawlik, Ewa Chmielik, Tomasz Tyszkiewicz, Barbara Nikiel, Dariusz Lange, Michal Jarzab, Malgorzata Wiench, Barbara Jarzab
No abstract text is available yet for this article.
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28291004/-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-for-other-thyroid-cancers-medullary-anaplastic-lymphoma-and-so-forth
#10
Mine Araz, Derya Çayır
Positron emission tomography/computed tomography (PET/CT) with (18)F-fluorodeoxyglucose (FDG) is used in staging, restaging, and evaluation of therapy response in many cancers as well as differentiated thyroid carcinomas especially in non-iodine avid variants. Its potential in less frequent thyroid tumors like medullary, anaplastic thyroid cancers, thyroid lymphoma and metastatic tumors of the thyroid however, is not well established yet. The aim of this review is to provide an overview on the recent applications and indications of (18)F-FDG PET/CT in these tumors and to focus on the controversies in the clinical setting...
February 5, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28257096/expression-of-autophagy-related-proteins-in-different-types-of-thyroid-cancer
#11
Hye Min Kim, Eun-Sol Kim, Ja Seung Koo
Thyroid cancer is common type of malignant tumor in humans, and the autophagy status of such tumors may vary according to subtype. This study aimed to investigate the expression and implications of the major autophagy-related molecules light chain (LC) 3A, LC3B, p62, and BNIP-3 in human thyroid carcinoma. Tissue microarrays were constructed from 555 thyroid cancers (papillary thyroid carcinoma (PTC): 342; follicular carcinoma (FC): 112; medullary carcinoma (MC): 70; poorly differentiated carcinoma (PDC): 23; and anaplastic carcinoma (AC): 8) and 152 follicular adenomas (FAs)...
March 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28242165/rare-thyroid-malignancies-an-overview-for-the-oncologist
#12
D B Spielman, A Badhey, S Kadakia, J C Inman, Y Ducic
Anaplastic thyroid cancer, medullary thyroid cancer, primary thyroid lymphoma and primary thyroid sarcoma are rare thyroid cancers that comprise 5-10% of all thyroid malignancies. Unlike well-differentiated thyroid cancers, these malignancies have few treatment options and carry a worse prognosis. The literature surrounding these pathologies is limited, but remains an area of active research. Despite the rarity of these conditions, they remain an important part of the differential diagnosis for any thyroid nodule...
February 24, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28240655/impending-atypical-femoral-fracture-in-patients-with-medullary-thyroid-cancer-with-skeletal-metastasis-treated-with-long-term-bisphosphonate-and-denosumab
#13
Mitsuru Koizumi, Tabu Gokita, Kazuhisa Toda
Atypical femoral fractures (AFFs) occur in osteoporosis patients receiving long-term bisphosphonate. Atypical femoral fractures also occur in cancer patients receiving long-term bisphosphonate or denosumab, but the prevalence is low. We describe a 53-year-old woman with a history of medullary thyroid cancer and skull metastasis who was prescribed bisphosphonate for 6 years and denosumab for 1.5 years, consecutively. Bone scintigraphy performed because of spontaneous groin pain showed uptake in the lateral aspect of the left femur, which was confirmed as impending AFF...
February 24, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28223365/the-eortc-module-for-quality-of-life-in-patients-with-thyroid-cancer-phase-iii
#14
Susanne Singer, Susan Jordan, Laura D Locati, Monica Pinto, Iwona M Tomaszewska, Claudia Araujo, Eva Hammerlid, E Vidhubala, Olga Husson, Naomi Kiyota, Christine Brannan, Dina Salem, Eva Gamper, Juan Ignacio Arraras, Georgios Ioannidis, Guy Andry, Johanna Inhestern, Vincent Gregoire, Lisa Licitra
We pilot-tested a questionnaire measuring health related quality of life (QoL) in thyroid cancer patients to be used with the European Organisation for Research and Treatment of Cancer (EORTC) core questionnaire EORTC QLQ-C30. A provisional questionnaire with 47 items was administered to patients treated for thyroid cancer within the last 2 years. Patients were interviewed about time and help needed to complete the questionnaire and whether they found the items understandable, confusing, or annoying. Items were kept in the questionnaire if they fulfilled pre-defined criteria: relevant to the patients, easy to understand, not confusing, few missing values, neither floor nor ceiling effects, and high variance...
February 21, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28222214/segregation-and-expression-analyses-of-habp2-insights-from-a-large-series-of-familial-non-medullary-thyroid-cancers-and-literature-review
#15
Carla Colombo, Marina Muzza, Maria Carla Proverbio, Giulia Ercoli, Michela Perrino, Valentina Cirello, Leonardo Vicentini, Stefano Ferrero, Laura Fugazzola
INTRODUCTION: Recently, the G534E variant of the HABP2 gene was reported as the underlying genetic defect in a large kindred with non-syndromic familial non medullary thyroid cancer (FNMTC). Nevertheless, this postulated role was not confirmed in additional cohorts. Contrasting data are also available on HABP2 expression in the thyroid. OBJECTIVES: To investigate HABP2 as a potential susceptibility gene in a large series of 27 unrelated families with FNMTC and to test its expression in thyroid tumor and matched normal tissues...
February 21, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28217964/is-fine-needle-aspiration-really-not-necessary-in-patients-with-thyroid-nodules%C3%A2-%C3%A2-%C3%A2-1-cm-with-highly-suspicious-features-on-ultrasonography-and-candidates-for-active-surveillance
#16
Pedro Weslley Rosario, Alexandre Lemos Silva, Maria Regina Calsolari
BACKGROUND: The low rate of progression associated with the potential complications of thyroidectomy makes active surveillance an increasingly recommended management in low-risk papillary microcarcinomas of the thyroid (PMT). The objective of this study was to report the results of fine needle aspiration (FNA) of nodules ≤ 1 cm with highly suspicious appearance on ultrasonography (US) in patients who are potential candidates for active surveillance. METHODS: We revised thyroid nodules ≤ 1 cm with highly suspicious appearance on US in patients without known distant metastases, suspicion of extrathyroid extension, or suspicious lymph nodes on US...
April 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28195142/a-genome-wide-association-study-yields-five-novel-thyroid-cancer-risk-loci
#17
Julius Gudmundsson, Gudmar Thorleifsson, Jon K Sigurdsson, Lilja Stefansdottir, Jon G Jonasson, Sigurjon A Gudjonsson, Daniel F Gudbjartsson, Gisli Masson, Hrefna Johannsdottir, Gisli H Halldorsson, Simon N Stacey, Hannes Helgason, Patrick Sulem, Leigha Senter, Huiling He, Sandya Liyanarachchi, Matthew D Ringel, Esperanza Aguillo, Angeles Panadero, Enrique Prats, Almudena Garcia-Castaño, Ana De Juan, Fernando Rivera, Li Xu, Lambertus A Kiemeney, Gudmundur I Eyjolfsson, Olof Sigurdardottir, Isleifur Olafsson, Hoskuldur Kristvinsson, Romana T Netea-Maier, Thorvaldur Jonsson, Jose I Mayordomo, Theo S Plantinga, Hannes Hjartarson, Jon Hrafnkelsson, Erich M Sturgis, Unnur Thorsteinsdottir, Thorunn Rafnar, Albert de la Chapelle, Kari Stefansson
The great majority of thyroid cancers are of the non-medullary type. Here we report findings from a genome-wide association study of non-medullary thyroid cancer, including in total 3,001 patients and 287,550 controls from five study groups of European descent. Our results yield five novel loci (all with Pcombined<3 × 10(-8)): 1q42.2 (rs12129938 in PCNXL2), 3q26.2 (rs6793295 a missense mutation in LRCC34 near TERC), 5q22.1 (rs73227498 between NREP and EPB41L4A), 10q24.33 (rs7902587 near OBFC1), and two independently associated variants at 15q22...
February 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/28181547/differences-in-the-transcriptome-of-medullary-thyroid-cancer-regarding-the-status-and-type-of-ret-gene-mutations
#18
Malgorzata Oczko-Wojciechowska, Michal Swierniak, Jolanta Krajewska, Malgorzata Kowalska, Monika Kowal, Tomasz Stokowy, Bartosz Wojtas, Dagmara Rusinek, Agnieszka Pawlaczek, Agnieszka Czarniecka, Sylwia Szpak-Ulczok, Tomasz Gawlik, Ewa Chmielik, Tomasz Tyszkiewicz, Barbara Nikiel, Dariusz Lange, Michal Jarzab, Malgorzata Wiench, Barbara Jarzab
Medullary thyroid cancer (MTC) can be caused by germline mutations of the RET proto-oncogene or occurs as a sporadic form. It is well known that RET mutations affecting the cysteine-rich region of the protein (MEN2A-like mutations) are correlated with different phenotypes than those in the kinase domain (MEN2B-like mutations). Our aim was to analyse the whole-gene expression profile of MTC with regard to the type of RET gene mutation and the cancer genetic background (hereditary vs sporadic). We studied 86 MTC samples...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28166591/search-of-the-p-m918t-mutation-in-the-ret-oncogene-in-mexican-adult-patients-with-medullary-thyroid-carcinoma
#19
Erika Ruiz-Garcia, Silvia Vidal-Millan, Alicia Lopez-Yañez, José Antonio Posada Torres, Jorge Alberto Guadarrama-Orozco, Leonardo Saul Lino-Silva, Abelardo Meneses-Garcia, Horacio Astudillo-de la Vega, Martin Granados Garcia
Inherited mutations in the RET proto-oncogene, which encodes a receptor tyrosine kinase, predispose individuals to the multiple endocrine neoplasia type 2 (MEN 2) cancer syndromes. The major component tumor of these syndromes is medullary thyroid carcinoma (MTC). To date, somatic mutations in RET have been identified in tumors from individuals with MEN 2 finding. RET M918T mutation is present in 95% of the MEN2B cases, and approximately 50% of sporadic MTCs harbor this mutation. We performed a mutational analysis in 17 cases of Medullary thyroid carcinoma, the somatic missense mutation at codon 918 of RET was found in 2 of the 17 MTCs, and one case presented MEN2 phenotype including MTC...
February 6, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28137737/evidence-for-the-founder-effect-of-ret533-as-the-common-greek-and-brazilian-ancestor-spreading-multiple-endocrine-neoplasia-2a
#20
Lucas L Cunha, Susan C Lindsey, Maria Inez C França, Leda Sarika, Alexandra Papathoma, Ilda S Kunii, Janete M Cerutti, Magnus R Dias-da-Silva, Maria Alevizaki, Rui M B Maciel
OBJECTIVES: About one-quarter of patients with medullary thyroid cancer (MTC) have inherited disease due to mutations in the RET gene. A rare mutation in exon 8 (G533C) of RET, previously described in a large Brazilian family with MEN2A, also appeared to be clustering in Greece, whereas it was rarely reported in other ethnic groups. The aim of this study was to identify a possible common ancestry between these carriers. PATIENTS AND METHODS: Twelve RET G533C mutation carriers, four randomly selected from the Brazilian cohort and eight from apparently unrelated Greek families, were studied for a possible common ancestral origin...
May 2017: European Journal of Endocrinology
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