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https://www.readbyqxmd.com/read/29217738/radiolabeled-4-fluoro-3-iodobenzyl-guanidine-improves-imaging-and-targeted-radionuclide-therapy-of-norepinephrine-transporter-expressing-tumors
#1
Aiko Yamaguchi, Hirofumi Hanaoka, Tetsuya Higuchi, Yoshito Tsushima
Fluorine-18 (18F)/Iodine-131 (131I)-labeled (4-Fluoro-3-iodobenzyl)guanidine (FIBG) have been a promising yet unattainable derivative of radioiodine-labeled meta-iodobenzylguanidine (MIBG), because of the complex radiofluorination method. Here, we proposed a 2-step radiosynthetic method for 18F-FIBG, and evaluated the diagnostic and therapeutic potential of 18F-FIBG and 131I-FIBG in a pheochromocytoma model (PC-12). Methods:18F-FIBG was prepared from a (mesityl)(aryl)iodonium salt precursor in the presence of a copper-catalyst...
December 7, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29209273/updates-on-the-management-of-advanced-metastatic-and-radioiodine-refractory-differentiated-thyroid-cancer
#2
REVIEW
Dario Tumino, Francesco Frasca, Kate Newbold
Differentiated thyroid cancer (DTC) accounts for 95% of all thyroid cancers and is generally an indolent tumor, treated effectively with surgery, radioactive iodine, and thyroid-stimulating hormone suppressive therapy. However, 5-10% of patients have advanced disease, with aerodigestive tract invasion, distant metastases, or radioiodine refractory disease, with poor prognosis. This review focuses on the approaches for treating advanced DTC, including management of gross extra-thyroidal extension, recurrent loco-regional or distant metastatic disease, the role of external beam radiation therapy and systemic treatment...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29199329/-effect-of-a-non-thermal-atmospheric-pressure-argon-plasma-jet-on-sod-and-mda-levels-in-oral-mucosal-ulcer-of-golden-hamsters
#3
Li Zheng, Ming-Sheng Chen, Lu Wang
PURPOSE:To observe the effects of a non-thermal atmospheric pressure argon plasma jet on the healing time, and the levels of superoxide dismutase(SOD)and malondialdehyde(MDA)in oral mucosal ulcer of golden hamsters.METHODS: 56 golden hamsters were randomly assigned to 8 groups, one normal control group, one ulcer group, one natural healing group without any therapy, one iodine glycerin group, two argon groups (30 s, 120 s)and two plasma groups (30 s, 120 s).24 hours after the last treatment, 4 hamsters from each group were sacrificed to detect SOD and MDA levels in the oral mucosal ulcer by spectrophotometry...
August 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29194287/expression-of-adamts2-and-adamts5-in-the-salivary-gland-of-rats-after-radioiodine-therapy
#4
Murat Sadic, Koray Demirel, Sevil O Halacli, Emre Karakok, Gokhan Koca, Ozgur Ekinci, Kadir Demircan, Meliha Korkmaz
OBJECTIVE: The aim of this study was to investigate the presence of ADAMTS2 and ADAMTS5 in the salivary gland (SG) of rats after high-dose radioiodine therapy. METHODS: A total of 36 male Wistar albino rats were used for this study. Thirty-six male rats were divided randomly into six groups: control and five radioactive iodine (RAI) treatment groups of six rats each. All animals were killed. The evaluation of biodistribution and histopathological studies were carried out on the SGs removed...
November 29, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29192863/precipitating-hydrophobic-injectable-liquid-embolization-of-intracranial-vascular-shunts-initial-experience-and-technical-note
#5
Shriram Varadharajan, Arvinda Hanumanthapura Ramalingaiah, Jitender Saini, Arun Kumar Gupta, B Indira Devi, Ullas V Acharya
Precipitating hydrophobic injectable liquid (PHIL) is a newly available liquid embolic agent for endovascular therapy. It is nonadhesive and composed of a biocompatible polymer dissolved in dimethyl sulfoxide solvent and bonded covalently with iodine. In this report, the authors present their preliminary experience using PHIL in the treatment of intracranial vascular shunts. Between July 2015 and December 2015, 11 patients underwent endovascular embolization using the PHIL embolic agent. Five patients had arteriovenous malformations, 4 had dural arteriovenous fistulas, 1 patient had a carotid-cavernous fistula, and 1 patient had a pial arteriovenous fistula...
December 1, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29191234/analysis-of-the-relationship-between-prescribed-dose-and-dosimetric-advantage-of-real-time-intraoperatively-built-custom-linked-seeds-in-iodine-125-prostate-brachytherapy
#6
Katsumi Hirose, Masahiko Aoki, Mariko Sato, Hiroyoshi Akimoto, Yasuhiro Hashimoto, Atsushi Imai, Noritaka Kamimura, Hideo Kawaguchi, Yoshiomi Hatayama, Ichitaro Fujioka, Mitsuki Tanaka, Chikara Ohyama, Yoshihiro Takai
BACKGROUND: The purpose of this study was to investigate the differences in the dosimetric advantage of using intraoperatively built custom-linked (IBCL) seeds between permanent iodine-125 (I-125) seed implantation (PI) alone and PI followed by external-beam radiation therapy (EBRT) for prostate cancer. METHODS: We reviewed the records of 62 patients with localized prostate cancer who received transperineal interstitial brachytherapy with I-125 using free seeds or IBCL seeds...
December 1, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/29190950/therapeutic-response-and-long-term-outcome-of-differentiated-thyroid-cancer-with-pulmonary-metastases-treated-by-radioiodine-therapy
#7
Jing Yang, Meng Liang, Yingying Jia, Li Wang, Lin Lin, Jianhua Geng, Shengzu Chen, Ye-Xiong Li, Rong Zheng
Objective: To explore the therapeutic response (TR) and long-term outcomes of iodine-131 (I-131) treatment for patients with differentiated thyroid cancer and pulmonary metastases (DTC+PM), as well as the association between the assessment of TR and long-term outcomes. Methods: This retrospective study comprised 151 DTC+PM patients. TR was evaluated by changes in serum levels of thyroglobulin, anatomic imaging and iodine uptake in pulmonary nodules; logistic regression was applied to identify predictors...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29184536/insulin-resistance-any-role-in-the-changing-epidemiology-of-thyroid-cancer
#8
REVIEW
Roberta Malaguarnera, Veronica Vella, Maria Luisa Nicolosi, Antonino Belfiore
In the past few decades, the incidence of thyroid cancer (TC), namely of its papillary hystotype (PTC), has shown a steady increase worldwide, which has been attributed at least in part to the increasing diagnosis of early stage tumors. However, some evidence suggests that environmental and lifestyle factors can also play a role. Among the potential risk factors involved in the changing epidemiology of TC, particular attention has been drawn to insulin-resistance and related metabolic disorders, such as obesity, type 2 diabetes, and metabolic syndrome, which have been also rapidly increasing worldwide due to widespread dietary and lifestyle changes...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29181619/microrna-326-contributes-to-autoimmune-thyroiditis-by-targeting-the-ets-1-protein
#9
Na Zhao, Hongjin Zou, Jing Qin, Chenling Fan, Yongping Liu, Shuo Wang, Zhongyan Shan, Weiping Teng, Yushu Li
PURPOSE: MicroRNA-326 (miR-326), as a member of the microRNA (miRNA) family, which includes endogenous single-stranded, conserved, noncoding small RNAs, has been reported to play important roles in autoimmune diseases such as multiple sclerosis and systemic lupus erythematosus. However, few studies of the role of miR-326 in autoimmune thyroiditis (AIT) have been published. Here, we explored the roles of miR-326 and the involved pathway in iodine-induced AIT. METHODS: NOD...
November 27, 2017: Endocrine
https://www.readbyqxmd.com/read/29179642/a-follow-up-strategy-for-patients-with-excellent-response-to-initial-therapy-for-differentiated-thyroid-carcinoma-less-is-better
#10
MinJi Jeon, Mijin Kim, Suyeon Park, Hye-Seon Oh, Tae Yong Kim, Won Bae Kim, YoungKee Shong, Won Gu Kim
BACKGROUND: The risk of recurrence in patients with differentiated thyroid cancer (DTC) can be estimated based on their response to initial therapy. The aim of this study is to evaluate adequate follow-up strategy for DTC patients with excellent response by assessing the characteristics of structural recurrence. METHODS: This historical cohort study included 1359 DTC patients who had excellent response to initial therapy after total thyroidectomy with radioactive iodine remnant ablation...
November 27, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29178108/-iodinated-contrast-induced-encephalopathy-a-pathology-that-must-be-borne-in-mind-when-carrying-out-endovascular-examinations
#11
M I Morales-Casado, F Munoz-Escudero, J M Garcia-Benassi, R Almansa-Castillo, J C Segundo-Rodriguez, J A Garrido-Robres, C Marsal-Alonso
INTRODUCTION: In recent years there has been an increase in the number of endovascular examinations in the study of both cardiovascular and cerebrovascular diseases. One very infrequent complication is neurotoxicity due to contrast, and it must be suspected within the context of a neurological deficit following such examinations in order to be able to diagnose it. CASE REPORT: A 61-year-old male who presented an epileptic attack and later deficit in the left hemisphere following diagnostic arteriography...
December 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/29174361/glycol-chitosan-assisted-in-situ-reduction-of-gold-on-polymeric-template-for-anti-cancer-theranostics
#12
Asifkhan Shanavas, Aravind Kumar Rengan, Deepak Chauhan, Liya George, Mukti Vats, Navneet Kaur, Pranjali Yadav, Purvi Mathur, Swaroop Chakraborty, Appidi Tejaswini, Abhijit De, Rohit Srivastava
Multifunctional biodegradable nanomaterials that could be used for both imaging and therapy are being researched extensively. A simple technique to synthesize multifunctional nanoparticles without compromising on any of their functionality is a challenge. We have attempted to optimize a two-step procedure of gold coated polymeric template involving 1) Single pot synthesis of PLGA nanoparticles with cationic surface charge using glycol chitosan and 2) in situ gold coating for formation of gold coated PLGA nanoshell (AuPLGA-NS)...
November 22, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29165912/reproducibility-of-radioactive-iodine-uptake-raiu-measurements
#13
Matthieu Pelletier-Galarneau, Patrick Martineau, Ran Klein, Matthew Henderson, Lionel S Zuckier
BACKGROUND: Measurement of radioactive iodine uptake (RAIU) is an important aspect of the assessment and treatment of patients with hyperthyroidism. Its uncertainty affects how much of a true change in RAIU can be detected as well as appropriateness of the therapy dosage upon which it is based. In this study, a method of estimating the reproducibility and least significant change (LSC) values for RAIU measurements, and the implications of the values observed are discussed, with emphasis on application to quality assurance initiatives...
November 22, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29165561/evaluation-of-short-exposure-times-of-antimicrobial-wound-solutions-against-microbial-biofilms-from-in-vitro-to-in-vivo
#14
K Johani, M Malone, S O Jensen, H G Dickson, I B Gosbell, H Hu, Q Yang, G Schultz, K Vickery
Objectives: Test the performance of topical antimicrobial wound solutions against microbial biofilms using in vitro, ex vivo and in vivo model systems at clinically relevant exposure times. Methods: Topical antimicrobial wound solutions were tested under three different conditions: (in vitro) 4% w/v Melaleuca oil, polyhexamethylene biguanide, chlorhexidine, povidone iodine and hypochlorous acid were tested at short duration exposure times for 15 min against 3 day mature biofilms of Staphylococcus aureus and Pseudomonas aeruginosa; (ex vivo) hypochlorous acid was tested in a porcine skin explant model with 12 cycles of 10 min exposure, over 24 h, against 3 day mature P...
November 18, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29162424/injectable-hydrogels-for-localized-chemo-and-radio-therapy-in-brain-tumors
#15
Pilar de la Puente, Nicole Fettig, Micah J Luderer, Abbey Jin, Shruti Shah, Barbara Muz, Vaishali Kapoor, Sreekrishna M Goddu, Noha Nabil Salama, Christina Tsien, Dinesh Thotala, Kooresh Shoghi, Buck Rogers, Abdel Kareem Azab
PURPOSE: Overall survival of patients with newly diagnosed glioblastoma (GBM) remains dismal at 16 months with state-of-the-art treatment that includes surgical resection, radiation and chemotherapy. GBM tumors are highly heterogeneous and mechanisms for overcoming tumor resistance have not yet fully been elucidated. An injectable chitosan hydrogel capable of releasing chemotherapy (Temozolomide, TMZ) while retaining radioactive isotopes agents (Iodine, (131)I) was used as a vehicle for localized radiation and chemotherapy, within the surgical cavity...
November 18, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29162036/sorafenib-treatment-for-papillary-thyroid-carcinoma-with-diffuse-lung-metastases-in-a-child-with-autism-spectrum-disorder-a-case-report
#16
Yousuke Higuchi, Takayuki Motoki, Hisashi Ishida, Kiichiro Kanamitsu, Kana Washio, Takanori Oyama, Takuo Noda, Yasuko Tsurumaru, Ayumi Okada, Hirokazu Tsukahara, Akira Shimada
BACKGROUND: Pediatric papillary thyroid carcinoma frequently presents with lymph node involvement and distant metastases. Sorafenib, an oral multikinase inhibitor, has been used to treat radioactive iodine (RAI) therapy-refractory thyroid carcinoma in adults; however, pediatric experience is limited. Medical procedures and hospitalization for children with autism spectrum disorder may be challenging. CASE PRESENTATION: An 11-year-old boy with autism spectrum disorder and moderate intellectual impairment presented with dyspnea on exertion with thyroid carcinoma and diffuses lung metastases...
November 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29144811/concordance-of-preoperative-clinical-stage-with-pathological-stage-in-patients-%C3%A2-45-years-with-well-differentiated-thyroid-cancer
#17
Natalie A Calcatera, Waseem Lutfi, Paritosh Suman, Nicholas R Suss, Chi-Hsiung Wang, Richard A Prinz, David J Winchester, Tricia A Moo-Young
OBJECTIVE: Clinical stage (cStage) in thyroid cancer determines extent of surgical therapy and completeness of resection. Pathologic stage (pStage) is an important determinant of outcome. The rate of discordance between clinical and pathologic stage in thyroid cancer is unknown. METHODS: The National Cancer Data Base (NCDB) was queried to identify 27,473 patients ≥45 years old with cStage I through IV differentiated thyroid cancer undergoing surgery from 2008-2012...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29144795/relationship-between-the-effectiveness-of-inorganic-iodine-and-the-severity-of-graves-thyrotoxicosis-a-retrospective-study
#18
Akira Honda, Toyoyoshi Uchida, Koji Komiya, Hiromasa Goto, Kageumi Takeno, Junko Sato, Ruriko Suzuki, Miwa Himuro, Hirotaka Watada
OBJECTIVE: Inorganic iodine is often used to treat patients with Graves' thyrotoxicosis who do not tolerate thionamides due to adverse effects. However, predictors of continued inorganic iodine efficacy have not been fully elucidated yet. This study aimed to investigate the factors affecting the continued efficacy of potassium iodide (KI) in patients with Graves' thyrotoxicosis. METHODS: In this study, among 1197 patients with Graves' disease who were initially treated with thionamides, we retrospectively studied 24 consecutive Japanese patients whose treatment were changed to KI alone due to the adverse effects of thionamides...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29142837/preoperative-management-in-patients-with-graves-disease
#19
REVIEW
Eliana Piantanida
Graves' disease is the most frequent cause of hyperthyroidism in iodine-sufficient geographical areas and is characterized by the presence in patients' serum of autoantibodies directed against the thyrotropin receptor (TRAb) that cause overproduction and release of thyroid hormones. Clinical presentation results from both hyperthyroidism and underlying autoimmunity. The diagnosis is based on characteristic clinical features and biochemical abnormalities. If serum thyrotropin (TSH) is low, serum free thyroxine (FT4) and free triiodothyronine (FT3) concentrations should be measured to distinguish between subclinical (with normal circulating thyroid hormones) and overt hyperthyroidism (with increased circulating thyroid hormones)...
October 2017: Gland Surgery
https://www.readbyqxmd.com/read/29135721/clinical-outcomes-and-prognostic-factors-of-radioiodine-ablation-therapy-for-lymph-node-metastases-from-papillary-thyroid-carcinoma
#20
Xinyu Wu, Hao Gu, Yongju Gao, Bo Li, Ruitai Fan
OBJECTIVE: A total of 118 patients with papillary thyroid carcinoma treated with radioactive iodine for lymph node metastases were analyzed retrospectively between August 2008 and June 2014. We describe the clinical course of these patients and focus on factors associated with lymph node metastases response to iodine-131 (I) treatment. PATIENTS AND METHODS: A total of 118 postoperative papillary thyroid carcinoma patients who underwent I treatment with lymph nodes as the only site of metastasis on whole-body scan (I Rx-WBS) and single-photon emission computed tomography-computed tomography (SPECT-CT) were enrolled...
November 10, 2017: Nuclear Medicine Communications
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