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Radioiodine treatment

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https://www.readbyqxmd.com/read/29432704/clinicopathological-features-and-comorbidities-of-cats-with-mild-moderate-or-severe-hyperthyroidism-a-radioiodine-referral-population
#1
Natalie Watson, Jane K Murray, Sonja Fonfara, Angie Hibbert
Objectives This study sought to explore the clinicopathological features and comorbidities of cats with mild, moderate and severe hyperthyroidism in a radioiodine referral population. Methods Medical records were reviewed, along with results of serum biochemistry, urinalysis, systolic blood pressure and diagnostic imaging performed at the time of radioiodine referral. Cats were grouped by total thyroxine (TT4) levels as mildly (TT4 60.1-124.9 nmol/l), moderately (TT4 125-250 nmol/l) or severely (TT4 >250 nmol/l) hyperthyroid at the time of diagnosis and referral...
February 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29432341/rare-case-of-intratracheal-metastasis-detected-on-68ga-prostate-specific-membrane-antigen-pet-ct-scan-in-a-case-of-thyroglobulin-elevated-negative-iodine-scan-syndrome
#2
Arun Sasikumar, Ajith Joy, M R A Pillai, Karuna Elza Oommen, R Jayakumar
A 64-year-old woman underwent completion thyroidectomy with upper tracheal ring resection and right-sided neck dissection for papillary carcinoma of the thyroid infiltrating the trachea and was given I radioiodine treatment. Three years later, she presented with hemoptysis. On evaluation, she had increased serum thyroglobulin and negative iodine scan (TENIS). F-FDG PET/CT scan did not identify any site of disease. One year later, Ga-PSMA scan done revealed a moderate focal tracer-avid intratracheal soft tissue; biopsy revealed it to be metastatic papillary carcinoma of the thyroid...
February 9, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29430687/the-protective-effect-of-melatonin-on-sperm-quality-in-rat-after-radioiodine-treatment
#3
C Cebi Sen, N Yumusak, H I Atilgan, M Sadic, G Koca, M Korkmaz
This study was designed to investigate the potential radioprotective impact of melatonin on the testicular tissue and sperm quality in rat given radioactive iodine (RAI) therapy. Thirty-six male Wistar albino rats were randomly divided into three groups as untreated control (Group 1); oral radioiodine group (RAI, 111 MBq, administrated rats); and RAI+melatonin group (oral radioiodine and intraperitoneal 12 mg/kg/day melatonin, starting 2 days before and continuing for 1 week after oral RAI administration)...
February 11, 2018: Andrologia
https://www.readbyqxmd.com/read/29423055/hyperplastic-thymus-with-increased-angiogenesis-is-correlated-with-elevated-serum-thyroglobulin-level-in-differentiated-thyroid-cancer-patients-with-tenis-syndrome
#4
Guangjian Zhang, Rui Gao, Yuanbo Wang, Yan Liu, Juan Li, Xi Jia, Yiqian Liang, Aimin Yang
Aims: To investigate the association between angiogenetic activity of hyperplastic thymus and serum thyroglobulin (Tg) level in differentiated thyroid carcinoma patients with thyroglobulin (Tg)-elevated Negative Iodine Scintigraphy (TENIS) Syndrome. Methods: A cohort of 30 consecutive patients who underwent total thyroidectomy followed by radioiodine ablation and had TENIS syndrome received integrin αvβ3 targeted imaging with 99mTc-HYNIC-PEG4-E[PEG4-c(RGDfk)]2 (99mTc-3PRGD2)...
January 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/29413688/predictive-factors-of-outcome-in-poorly-differentiated-thyroid-carcinomas
#5
Christelle de la Fouchardière, Myriam Decaussin-Petrucci, Julien Berthiller, Françoise Descotes, Jonathan Lopez, Jean-Christophe Lifante, Jean-Louis Peix, Anne-Laure Giraudet, Armelle Delahaye, Sandrine Masson, Claire Bournaud-Salinas, Françoise Borson Chazot
BACKGROUND: The prognosis of poorly differentiated thyroid carcinomas (PDTC) is heterogeneous though generally poor. The objectives of this study were to identify clinical and molecular factors of poor prognosis. METHODS: One hundred four consecutive patients treated for a PDTC between 01/01/2000 and 31/12/2010 were included in this study. A pathological review was done for all cases (blinded to clinical data and outcome). RESULTS: All patients underwent thyroidectomy...
February 2, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29407446/signaling-pathways-in-thyroid-cancer
#6
Shan Jin, Yun-Tian Yang, Wuyuntu Bao
The morbidity of thyroid cancer is increasing gradually year by year, showing an increasing tendency in nationality, sex, age, tumor size, and tumor staging. The changes of thyroid cell genes, signaling pathways, and related molecular dysfunction promote the occurrence, development, invasion, and metastasis of thyroid cancer. Surgical operation, radioiodine, and endocrinotherapy models can achieve a better prognosis for most patients with thyroid cancer. Although targeted therapeutic drugs bring possible therapeutic opportunities for refractory thyroid cancer, there is a great gap between their predictive value and their actual efficacy...
2018: Vitamins and Hormones
https://www.readbyqxmd.com/read/29388770/a-dual-reporter-iodinated-labeling-reagent-for-cancer-positron-emission-tomography-imaging-and-fluorescence-guided-surgery
#7
Zhi Lu, Truc Thuy Pham, Vineeth Rajkumar, Zilin Yu, R Barbara Pedley, Erik Årstad, John Maher, Ran Yan
The combination of early diagnosis and complete surgical resection offers the greatest prospect of curative cancer treatment. An iodine-124/fluorescein-based dual-modality labeling reagent, 124I-Green, constitutes a generic tool for one-step installation of a positron emission tomography (PET) and a fluorescent reporter to any cancer-specific antibody. The resulting antibody conjugate would allow both cancer PET imaging and intraoperative fluorescence-guided surgery. 124I-Green was synthesized in excellent radiochemical yields of 92±5% (n=4) determined by HPLC with an improved one-pot three-component radioiodination reaction...
February 1, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29387239/clinical-characteristics-and-disease-outcome-of-patients-with-non-medullary-thyroid-cancer-and-brain-metastases
#8
Ilana Slutzky-Shraga, Alex Gorshtein, Aharon Popovitzer, Eyal Robenshtok, Gloria Tsvetov, Amit Akirov, Dania Hirsch, Carlos Benbassat
Brain metastases from non-medullary thyroid carcinoma (NMTC) are rare, with a reported frequency of ~1%, and patient survival time is <1 year after diagnosis. The optimal management of brain metastases in this setting continues to be debated. The aim of the present study was to evaluate a series of patients with brain metastases from NMTC attending a single tertiary medical center. The electronic database of Rabin Medical Center was reviewed for all patients with NMTC and distant metastases who were diagnosed and treated between 1970 and 2014...
January 2018: Oncology Letters
https://www.readbyqxmd.com/read/29377360/evaluation-of-serum-symmetric-dimethylarginine-concentration-as-a-marker-for-masked-chronic-kidney-disease-in-cats-with-hyperthyroidism
#9
M E Peterson, F V Varela, M Rishniw, D J Polzin
BACKGROUND: Hyperthyroidism can complicate (mask) the diagnosis of chronic kidney disease (CKD) because it increases glomerular filtration rate and decreases body muscle mass, both of which can lower serum creatinine concentrations. Currently, there is no clinical test that can reliably predict which hyperthyroid cats have concurrent azotemic CKD that will become apparent after treatment of the hyperthyroidism. OBJECTIVES: To investigate serum symmetric dimethylarginine (SDMA) concentration as a potential marker of masked azotemia in untreated hyperthyroid cats...
January 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29371330/treatment-of-refractory-thyroid-cancer
#10
Amandine Berdelou, Livia Lamartina, Michele Klain, Sophie Leboulleux, Martin Schlumberger
Distant metastases from thyroid cancer of follicular origin are uncommon. Treatment includes levothyroxine administration, focal treatment modalities with surgery, external radiation therapy and thermal ablation, and radioiodine in patients with uptake of 131I in their metastases. Two thirds of distant metastases become refractory to radioiodine at some point, and when there is a significant tumor burden and documented progression on imaging, a treatment with a kinase inhibitor may provide benefits.
January 25, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29356634/radiotheranostics-in-cancer-diagnosis-and-management
#11
Hossein Jadvar, Xiaoyuan Chen, Weibo Cai, Umar Mahmood
The fundamental foundation for precision medicine is accurate and specific targeting of cancer cells. Advances in the understanding of cancer biology, developments in diagnostic technologies, and expansion of therapeutic options have all contributed to the concept of personalized cancer care. Theranostics is the systematic integration of targeted diagnostics and therapeutics. The theranostic platform includes an imaging component that "sees" the lesions followed by administration of the companion therapy agent that "treats" the same lesions...
February 2018: Radiology
https://www.readbyqxmd.com/read/29353393/131i-induced-graves-disease-in-patients-treated-for-toxic-multinodular-goitre-systematic-review-and-descriptive-analysis
#12
REVIEW
C Roque, C A Vasconcelos
BACKGROUND: Graves' disease (GD) arising after the treatment of toxic multinodular goitre (TMNG) with radioiodine has long been described but it remained unclear whether GD was in fact iodine induced, its incidence, risk factors, natural history and treatment outcomes. METHODS: A systematic search using The Cochrane Library, Medline and PubMed Central allowed the pooling of data from 3633 patients with thyroid autonomy, 1340 patients with TMNG, to fill gaps in knowledge, regarding the clinical expression of iodine-induced GD (131I-IGD) in adults...
January 20, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29350109/tertiary-care-experience-of-sorafenib-in-the-treatment-of-progressive-radioiodine-refractory-differentiated-thyroid-carcinoma-a-korean-multicenter-study
#13
Mijin Kim, Tae Hyuk Kim, Dong Yeob Shin, Dong-Jun Lim, Eui Young Kim, Won Bae Kim, Jae Hoon Chung, YoungKee Shong, Bo Hyun Kim, Won Gu Kim
BACKGROUND: Sorafenib, a multi-kinase inhibitor, is approved for the treatment of patients with radioactive iodine (RAI)-refractory differentiated thyroid cancer (DTC). In this study, we evaluated the efficacy and safety of sorafenib in real-world clinical practice and compared the results with those of the DECISION trial. We also evaluated the clinical features associated with better clinical outcomes after sorafenib treatment. METHODS: This multicenter, retrospective cohort study evaluated 98 patients with progressive RAI-refractory DTC who were treated with sorafenib in six tertiary hospitals in Korea...
January 19, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29344306/131i-labeled-copper-sulfide-loaded-microspheres-to-treat-hepatic-tumors-via-hepatic-artery-embolization
#14
Qiufang Liu, Yuyi Qian, Panli Li, Sihang Zhang, Jianjun Liu, Xiaoguang Sun, Michael Fulham, Dagan Feng, Gang Huang, Wei Lu, Shaoli Song
Purpose: Transcatheter hepatic artery embolization therapy is a minimally invasive alternative for treating inoperable liver cancer but recurrence is frequent. Multifunctional agents, however, offer an opportunity for tumor eradication. In this study, we were aim to synthesized poly (lactic-co-glycolic acid) (PLGA) microspheres encapsulating hollow CuS nanoparticles (HCuSNPs) and paclitaxel (PTX) that were then labeled with radioiodine-131 (131I) to produce 131I-HCuSNPs-MS-PTX. This compound combines the multi-theranostic properties of chemotherapy, radiotherapy and photothermal therapy...
2018: Theranostics
https://www.readbyqxmd.com/read/29344270/lenvatinib-in-advanced-radioiodine-refractory-thyroid-cancer-a-retrospective-analysis-of-the-swiss-lenvatinib-named-patient-program
#15
Catharina Balmelli, Nikola Railic, Marco Siano, Kristin Feuerlein, Richard Cathomas, Valerie Cristina, Christiane Güthner, Stefan Zimmermann, Sabine Weidner, Miklos Pless, Frank Stenner, Sacha I Rothschild
Purpose: Differentiated thyroid cancer (DTC) accounts for approximately 95% of thyroid carcinomas. In the metastatic RAI-refractory disease, chemotherapy has very limited efficacy and is associated with substantial toxicity. With increasing knowledge of the molecular pathogenesis of DTC, novel targeted therapies have been developed. Lenvatinib is a tyrosine kinase inhibitor (TKI) with promising clinical activity based on the randomized phase III SELECT trial. In Switzerland, a Named Patient Program (NPP) was installed to bridge the time gap to Swissmedic approval...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29336230/alterations-of-global-dna-methylation-and-dnmt-expression-in-t-and-b-lymphocytes-from-patients-with-newly-diagnosed-aitd-after-treatment-a-follow-up-study
#16
Qingling Guo, Dan Wu, Huixin Yu, Jiandong Bao, Shiqiao Peng, Zhongyan Shan, Haixia Guan, Weiping Teng
BACKGROUND: Dysregulated DNA methylation in lymphocytes has been linked to autoimmune disorders. The aims of this study were to identify global DNA methylation patterns in patients with autoimmune thyroid diseases (AITDs) and to observe methylation changes after treatment for these conditions. METHODS: We conducted a cross-sectional study design including the following patients: 51 with newly diagnosed Graves' disease (GD), 28 with autoimmune hypothyroidism (AIT), 29 with positive thyroid autoantibodies (pTAb) and 39 matched healthy volunteers...
January 16, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29336220/serum-high-cholesterol-is-a-novel-risk-factor-for-graves-orbitopathy-go-results-of-a-cross-sectional-study
#17
Elena Sabini, Barbara Mazzi, Maria Antonietta Profilo, Teresa Mautone, Giamberto Casini, Roberto Rocchi, Ilaria Ionni, Francesca Menconi, Marenza Leo, Marco Nardi, Paolo Vitti, Claudio Marcocci, Michele Marino
Background Limited data suggest that treatment with statins is associated with a reduced risk of Graves' orbitopathy (GO) in patients with Graves' disease (GD), attributed to the anti-inflammatory rather than to the hypolipemic effects of these medications. The aim of the present study was to investigate whether there is an association between high cholesterol and GO. The primary outcome was the relation between GO and low-density lipoprotein (LDL)-cholesterol. The secondary outcomes were the relation between severity or activity [the clinical activity score (CAS)] of GO and LDL-cholesterol...
January 16, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29325833/treatment-of-graves-disease-in-children-the-portuguese-experience
#18
Olinda Marques, Ana Antunes, Maria João Oliveira
INTRODUCTION: Graves' disease (GD) is an autoimmune thyroid disease, common in adults but rare in children. The best therapeutic approach remains controversial. OBJECTIVES: To ascertain the current treatment of pediatric GD in Portugal and to assess the clinical and biochemical factors that determine definitive/long-term remission after treatment with antithyroid drugs (ATDs). PATIENTS AND METHODS: A retrospective analysis of data about pediatric GD treatment collected from a nationwide survey conducted by the Portuguese Society of Pediatric Endocrinology and Diabetology from May to August 2013...
January 8, 2018: Endocrinología, Diabetes y Nutrición
https://www.readbyqxmd.com/read/29319129/cerebellar-metastasis-of-papillary-thyroid-carcinoma-detected-with-somatostatin-receptor-scintigraphy
#19
Rafal Czepczynski, Anna Wyszomirska, Maria Gryczynska, Ewelina Szczepanek-Parulska, Marek Ruchala
BACKGROUND: Distant metastases of papillary thyroid carcinoma (PTC) may lack the ability to concentrate radioiodine. In such cases, positive somatostatin receptor scintigraphy might be useful in demonstrating the expression of somatostatin receptors that are potential therapeutic targets. To date, only several cerebellar metastases from PTC have been reported in the literature. PATIENT FINDINGS: We present an 82-year-old female, in whom an asymptomatic cerebellar metastasis from PTC was diagnosed by the means of Tc-99m-EDDA/HYNIC-TOC scintigraphy four years following the initial diagnosis...
January 10, 2018: Endokrynologia Polska
https://www.readbyqxmd.com/read/29318892/transplantation-of-cryopreserved-ovarian-tissue-in-a-patient-affected-by-metastatic-struma-ovarii-and-endometriosis
#20
Raffaella Fabbri, Rossella Vicenti, Roberto Paradisi, Stefania Rossi, Lucia De Meis, Renato Seracchioli, Maria Macciocca
In this case report, the outcomes of cryopreserved ovarian tissue transplantation performed in a patient affected by struma-ovarii associated with mature cystic teratoma, recurrent endometriotic cysts and diffuse peritoneal malignant struma-ovarii implants were described. Before cryopreservation, the patient underwent two left ovarian surgeries for enucleation cysts 8 years after righ salpingo-oophorectomy for struma-ovarii. Ovarian biopsy was collected in another hospital and transported to our laboratory for cryopreservation...
January 10, 2018: Gynecological Endocrinology
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