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https://www.readbyqxmd.com/read/28646422/how-to-avoid-and-to-manage-post-operative-complications-in-thyroid-surgery
#1
REVIEW
Matteo Angelo Cannizzaro, Salvatore Lo Bianco, Maria Carolina Picardo, Daniele Provenzano, Antonino Buffone
Complications of thyroidectomy are hypoparathyroidism, recurrent laryngeal nerve palsy, and hemorrhage. These complications have a low incidence. Hypoparathyroidism is the most frequent complication of total thyroidectomy. Its incidence varies between 0.5 and 65%. This complication is also visible after reoperation for recurrent disease and in patients previously treated with radioiodine. Damage to the recurrent laryngeal nerve can be temporary or permanent, unilateral or bilateral. The bilateral lesion, associated with severe episodes of breathlessness, is a rare complication (0...
June 23, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28635633/new-insights-in-thyroid-cancer-and-p53-family-proteins
#2
REVIEW
Livia Manzella, Stefania Stella, Maria Stella Pennisi, Elena Tirrò, Michele Massimino, Chiara Romano, Adriana Puma, Martina Tavarelli, Paolo Vigneri
Thyroid cancers are common endocrine malignancies that comprise tumors with different clinical and histological features. Indeed, papillary and follicular thyroid cancers are slow-growing, well-differentiated tumors, whereas anaplastic thyroid cancers are undifferentiated neoplasias that behave much more aggressively. Well-differentiated thyroid carcinomas are efficiently cured by surgery and radioiodine, unlike undifferentiated tumors that fail to uptake radioactive iodine and are usually resistant to chemotherapy...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28631629/poorly-differentiated-thyroid-carcinoma-a-hospital-based-clinicopathological-study-and-review-of-literature
#3
Thin Thin Win, Nor Hayati Othman, Irfan Mohamad
INTRODUCTION: Poorly differentiated thyroid carcinoma (PDTC) is a rare aggressive malignancy of thyroid follicular cells and has unique features in morphology and behavior. This study was aimed to describe the experience of a tertiary medical center with PDTC within a 10-year period. MATERIALS AND METHODS: This is a descriptive retrospective study of eight cases of PDTC among 418 various thyroid carcinomas. All cases of PDTC were retrieved along with the clinicopathological information...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28629126/differentiated-thyroid-cancer-treatment-state-of-the-art
#4
REVIEW
Benedikt Schmidbauer, Karin Menhart, Dirk Hellwig, Jirka Grosse
Differentiated thyroid cancer (DTC) is a rare malignant disease, although its incidence has increased over the last few decades. It derives from follicular thyroid cells. Generally speaking, the prognosis is excellent. If treatment according to the current guidelines is given, cases of recurrence or persistence are rare. DTC requires special expertise by the treating physician. In recent years, new therapeutic options for these patients have become available. For this article we performed a systematic literature review with special focus on the guidelines of the American Thyroid Association, the European Association of Nuclear Medicine, and the German Society of Nuclear Medicine...
June 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28615984/papillary-thyroid-microcarcinoma-arising-within-a-mature-ovarian-teratoma-case-report-and-review-of-the-literature
#5
Maria M Pineyro, Jimena Pereda, Pamela Schou, Karina de Los Santos, Soledad de la Peña, Benedicta Caserta, Raul Pisabarro
Mature cystic teratoma is the most common kind of ovarian germ cell tumor. Malignant transformation is uncommon, with thyroid cancer rarely found. Papillary thyroid microcarcinoma has rarely been described as associated with ovarian teratomas. We report a case of a 34-year-old woman who presented with abdominal pain and an ovarian mass. After surgery, the patient was diagnosed with a follicular variant papillary thyroid microcarcinoma that arose within a mature cystic ovarian teratoma. Based on the small size of the primary lesion and patient preferences, no further treatment was performed...
2017: Clinical Medicine Insights. Endocrinology and Diabetes
https://www.readbyqxmd.com/read/28614983/second-primary-cancer-in-patients-with-differentiated-thyroid-cancer-does-radioiodine-play-a-role
#6
Margarida Silva-Vieira, Sofia Carrilho-Vaz, Susana Esteves, Teresa C Ferreira, Edward Limbert, Lucília Salgado, Valeriano Leite
BACKGROUND: Well Differentiated Thyroid Cancer (WDTC) is the most common endocrine neoplasia and its incidence is rising. Studies have reported an increased risk of Second Primary Cancer (SPC) in WDTC survivors, but its relationship with radioiodine treatment (RAIT) and other risk factors remains controversial. We evaluated whether RAIT is an independent risk factor for SPC in WDTC patients. METHODS: This was a retrospective single-center study. We included 2031 patients with WDTC diagnosed between 1998 and 2009, treated and followed in our reference tertiary cancer center...
June 14, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28613956/effect-of-age-on-the-efficacy-and-safety-of-lenvatinib-in-radioiodine-refractory-differentiated-thyroid-cancer-in-the-phase-iii-select-trial
#7
Marcia S Brose, Francis P Worden, Kate L Newbold, Matthew Guo, Arti Hurria
Purpose In the Study of (E7080) Lenvatinib in Differentiated Cancer of the Thyroid (SELECT), lenvatinib significantly prolonged progression-free survival (PFS) versus placebo in patients with radioiodine-refractory differentiated thyroid cancer (RR-DTC). This prespecified subanalysis investigated the effect of age on the efficacy and safety of lenvatinib. Patients and Methods This randomized, double-blind, phase III study enrolled patients with histologically confirmed RR-DTC stratified by age (≤ 65 or > 65 years)...
June 14, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28602103/advances-in-small-molecule-therapy-for-treating-metastatic-thyroid-cancer
#8
Jolanta Krajewska, Tomasz Gawlik, Barbara Jarzab
Multi kinase inhibitors (MKIs) are new drugs, which show activity against receptors of different growth factors leading to the inhibition of tumor cells growth and proliferation. This review summarizes a 10-year experience with the use of MKIs in thyroid cancer (TC). It focuses not only on sorafenib, lenvatinib, vandetanib and cabozantinib, already approved in TC, but also presents an overview of the results of different trials with distinct MKIs so far carried out in TC. Areas covered: published results of phase I, II and III studies and other reports evaluated the efficacy of different targeted drugs in TC...
June 12, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28600731/lack-of-efficacy-of-radioiodine-remnant-ablation-for-papillary-thyroid-microcarcinoma-verification-using-inverse-probability-of-treatment-weighting
#9
Hyemi Kwon, Min Ji Jeon, Won Gu Kim, Suyeon Park, Mijin Kim, Tae Yong Kim, Minkyu Han, Dong Eun Song, Tae-Yon Sung, Jong Ho Yoon, Suck Joon Hong, Jin-Sook Ryu, Young Kee Shong, Won Bae Kim
BACKGROUND: Most of the increase in thyroid cancer in recent decades has been due to papillary thyroid microcarcinoma (PTMC). We evaluated the efficacy of radioiodine remnant ablation (RRA) in patients with PTMC. METHODS: This historical cohort study included 1932 PTMC patients without lateral cervical lymph node (LN) or distant metastasis who underwent total thyroidectomy (TT) during the median 8.3 years of follow-up. The clinical outcomes of patients with or without RRA were compared using weighted logistic regression models with the inverse probability of treatment weighting (IPTW) method and considering risk factors, including age, sex, primary tumor size, extrathyroidal extension, multifocality, and central cervical LN metastasis...
June 9, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28561918/dose-finding-of-lenvatinib-in-subjects-with-advanced-hepatocellular-carcinoma-based-on-population-pharmacokinetic-and-exposure-response-analyses
#10
Toshiyuki Tamai, Seiichi Hayato, Seiichiro Hojo, Takuya Suzuki, Takuji Okusaka, Kenji Ikeda, Hiromitsu Kumada
Hepatocellular carcinoma (HCC) accounts for up to 90% of primary liver cancer occurrences worldwide. Lenvatinib, a multikinase inhibitor, was approved in radioiodine-refractory differentiated thyroid cancer. In this phase 2 study (study 202), we aimed to identify the lenvatinib optimal dose for subjects with advanced HCC Child-Pugh class A. Pooled data from phase 1 studies in healthy adults and in subjects with mixed tumor types, and from study 202 in subjects with HCC, were analyzed using a population pharmacokinetic approach...
May 31, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28561379/cytotoxic-and-genotoxic-effects-of-131-i-and-60-co-in-follicular-thyroid-cancer-cell-wro-with-and-without-recombinant-human-thyroid-stimulating-hormone-treatment
#11
Flávia Gomes Silva Valgôde, Márcia Augusta da Silva, Daniel Perez Vieira, Maria Teresa Carvalho Pinto Ribela, Paolo Bartolini, Kayo Okazaki
Normally, differentiated thyroid cancer (DTC) tends to be biologically indolent, highly curable and has an excellent prognosis. However, the treatment may fail when the cancer has lost radioiodine avidity. The present study was carried out in order to evaluate the cytotoxic and genotoxic effects of (131) I and (60) Co and radioiodine uptake in WRO cells, derived from DTC, harboring the BRAF(V600E) mutation. WRO cells showed a relatively slow cell cycle of 96.3 h with an unstable karyotype containing various double minutes...
May 31, 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/28553154/long-term-treatment-related-morbidity-in-differentiated-thyroid-cancer-a-systematic-review-of-the-literature
#12
REVIEW
William Ae Parker, Ovie Edafe, Sabapathy P Balasubramanian
BACKGROUND: Differentiated thyroid cancer (DTC) occurs in relatively young patients and is associated with a good prognosis and long survival. The management of this disease involves thyroidectomy, radioiodine therapy, and long-term thyroid-stimulating hormone suppression therapy (THST). The long-term effects of the treatment and the interaction between subclinical hyperthyroidism and long-term hypoparathyroidism are poorly understood. This review sought to examine the available evidence...
2017: Pragmatic and Observational Research
https://www.readbyqxmd.com/read/28540810/minimally-invasive-local-ablative-therapies-in-combination-with-radioiodine-therapy-in-benign-thyroid-disease-preparation-feasibility-and-efficiency-preliminary-results
#13
Alexander Mader, Oscar Maximilian Mader, Daniel Gröner, Yücel Korkusuz, Shadi Ahmad, Frank Grünwald, W Tilman Kranert, Christian Happel
PURPOSE: Initial studies of combinations of radioiodine therapy (RIT) and local ablative procedures for the treatment of thyroid nodules have shown promising results. The goal of this study was to evaluate the effectiveness of RIT combined with radiofrequency ablation (RFA) in patients with goitres and to determine which ablative procedure is the most suitable for a combined therapy. METHODS: Thirty patients with goitres were divided into two subgroups. A test group of 15 patients received combined therapy (RIT + RFA) and a control group of 15 patients received RIT mono therapy...
May 5, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28539216/cost-effectiveness-of-using-recombinant-human-thyroid-stimulating-hormone-before-radioiodine-ablation-for-thyroid-cancer-treatment-in-spanish-hospitals
#14
J A Vallejo, M A Muros
OBJECTIVES: In thyroid cancer treatment, the thyroid-stimulating hormone (TSH) must be elevated before radioiodine ablation, either by exogenous (with recombinant human thyrotropin [rhTSH]) or endogenous stimulation by thyroid hormone withdrawal (THW). The use of rhTSH avoids hypothyroidism and favours the subsequent elimination of radioiodine, but involves the cost of the product. For this reason, a cost-effectiveness analysis was performed, taking into account all costs involved and the benefits associated with the use of this therapy...
May 20, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28528452/tumor-suppressor-protein-p53-exerts-negative-transcriptional-regulation-on-human-sodium-iodide-symporter-gene-expression-in-breast-cancer
#15
Madhura G Kelkar, Bhushan Thakur, Abhishek Derle, Sushmita Chatterjee, Pritha Ray, Abhijit De
PURPOSE: Aberrant expression of human sodium iodide symporter (NIS) in breast cancer (BC) is well documented but the transcription factors (TF) regulating its aberrant expression is poorly known. We identify the presence of three p53 binding sites on the human NIS promoter sequence by conducting genome-wide TF analysis, and further investigate their regulatory role. METHODS: The differences in transcription and translation were measured by real-time PCR, luciferase reporter assay, site-directed mutagenesis, in vivo optical imaging, and chromatin immunoprecipitation...
May 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28526978/cytogenetic-biodosimetry-and-dose-rate-effect-after-radioiodine-therapy-for-thyroid-cancer
#16
Igor K Khvostunov, Vladimir A Saenko, Valeri Krylov, Andrei Rodichev, Shunichi Yamashita
This study set out to investigate chromosomal damage in peripheral blood lymphocytes of thyroid cancer patients receiving (131)I for thyroid remnant ablation or treatment of metastatic disease. The observed chromosomal damage was further converted to the estimates of whole-body dose to project the adverse side effects. Chromosomal aberration analysis was performed in 24 patients treated for the first time or after multiple courses. Blood samples were collected before treatment and 3 or 4 days after administration of 2-4 GBq of (131)I...
May 19, 2017: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/28516979/interventional-sialendoscopy-for-radioiodine-induced-sialadenitis-quo-vadis
#17
P Canzi, S Cacciola, P Capaccio, F Pagella, A Occhini, L Pignataro, M Benazzo
Salivary gland toxicity is a common adverse effect of radioactive iodine ((131)I) for the treatment of thyroid cancers with a prevalence ranging from 2% to 67% of the (131)I exposed population. Recently, sialendoscopy has been introduced as an attractive diagnostic and therapeutic tool for management of patients with radioiodine-induced sialadenitis that is unresponsive to standard medical treatments. The objective of the current review was to assess the impact of this procedure on outcomes in patients suffering from radioiodine sialadenitis...
April 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28514192/diagnostic-and-treatment-patterns-among-children-adolescents-and-young-adults-with-thyroid-cancer-in-ontario-1992-2010
#18
Jason D Pole, Aleksandra M Zuk, Jonathan D Wasserman
BACKGROUND: Thyroid carcinoma is rare in young children, with a sharp increase in incidence among adolescents and young adults between 15 and 29 years of age. The incidence of thyroid carcinoma is increasing worldwide. Limited prospective population-based data are available to describe diagnostic and treatment practices in this age group. This study undertook a population-based review of thyroid carcinoma among 0- to 29-year-old individuals in Ontario, Canada, utilizing linked administrative data to describe the demographic and care patterns over nearly two decades...
June 21, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28507839/issues-in-managing-hurthle-cell-carcinoma-of-thyroid-a-case-report
#19
Patricia Tai, Martin Korzeniowski, Evgeny Sadikov, Kurian Joseph, Angus Kirby, Jon Tonita, Aamer Mahmud
A 61-year-old woman noticed a right neck lump in October 2001. Fine needle aspiration showed follicular neoplasm, adenoma versus carcinoma. The ultrasound scan showed a solid mass of maximum dimension of 3.7 cm. She had a right thyroid lobectomy and isthmectomy in January 2002 (first surgery). The tissue specimen showed a 4.5 cm Hurthle cell carcinoma (HCC) with vascular invasion. There were no capsular invasion, extra-thyroidal extension, or margin involvement. A completion left lobectomy (second surgery) was performed two weeks later...
April 14, 2017: Curēus
https://www.readbyqxmd.com/read/28494633/comparison-of-in-clinic-point-of-care-and-reference-laboratory-total-thyroxine-immunoassays-for-diagnosis-and-post-treatment-monitoring-of-hyperthyroid-cats
#20
Mark E Peterson, Mark Rishniw, Graham E Bilbrough, Kate B Cote
Objectives The Catalyst One Chemistry Analyzer (IDEXX Laboratories) is a point-of-care instrument that can measure total thyroxine (TT4) by immunoassay. The aims of this study were to evaluate the analytic performance of the Catalyst TT4 assay in feline sera and to examine agreement of the Catalyst TT4 results with those measured by immunoassay at a veterinary reference laboratory. Methods Assay precision, reproducibility and linearity were evaluated for the Catalyst TT4 assay. For method comparison, TT4 concentrations in serum samples from 157 cats (127 hyperthyroid, 30 radioiodine-treated cats) were analyzed by both in-clinic and reference laboratory methods...
May 1, 2017: Journal of Feline Medicine and Surgery
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