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https://www.readbyqxmd.com/read/28729772/serial-stimulated-thyroglobulin-measurements-are-more-specific-for-detecting-distant-metastatic-differentiated-thyroid-cancer-before-radioiodine-therapy
#1
Teng Zhao, Jun Liang, Tianjun Li, Wen Gao, Yansong Lin
OBJECTIVE: Preablative stimulated thyroglobulin (ps-Tg) has the potential to be used in identifying distant metastatic differentiated thyroid carcinoma (DM-DTC), but its single level can be affected by remnant thyroid tissue and thyrotropin (TSH). The objective of this retrospective study was to evaluate the value of serial ps-Tg measurements in identifying DM-DTC specifically. METHODS: A total of 317 DTC patients with serial measurements of ps-Tg, TSH and anti-Tg antibody were divided into M1 (n=72) and M0 (n=245) according to the presence of distant metastasis (DM) or not...
June 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28718888/assessing-lung-function-using-contrast-enhanced-dual-energy-computed-tomography-for-potential-applications-in-radiation-therapy
#2
Andréanne Lapointe, Houda Bahig, Danis Blais, Hugo Bouchard, Édith Filion, Jean-François Carrier, Stéphane Bedwani
PURPOSE: There is an increasing interest in the evaluation of lung function from physiological images in radiation therapy treatment planning to reduce the extent of post-radiation toxicities. The purpose of this work is to retrieve reliable functional information from contrast-enhanced dualenergy computed tomography (DECT) for new applications in radiation therapy. The functional information obtained by DECT is also compared with other methods using single energy CT (SECT) and single-photon emission computed tomography (SPECT) with CT...
July 18, 2017: Medical Physics
https://www.readbyqxmd.com/read/28717890/application-of-phototherapy-for-the-healing-of-the-navels-of-neonatal-dairy-calves
#3
Ana Lúcia Borges de Souza Faria, Luis Augusto Lupato Conrado, Luiz Sergio Vanzela, Antonio Balbin Villaverde, Egberto Munin
The present work evaluated the effects of LED light irradiation on the healing of the navels of neonatal dairy calves. Fifty-seven neonatal calves were divided into two groups. Animals had their umbilical stumps immersed in 10% iodine tincture for 60 s, and this process was repeated every 24 h for three consecutive days. The 29 animals in the first group did not receive LED therapy. The 28 animals in the second group received LED light irradiation at 640 nm with 300 mW power, 46.8 J/cm(2) energy density, 60 s irradiation time, and 0...
July 17, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28713674/intraoperative-adjuncts-for-malignant-pleural-mesothelioma
#4
REVIEW
Warren Ho Chan, David J Sugarbaker, Bryan M Burt
Malignant pleural mesothelioma (MPM) is a rapidly fatal disease. Multimodality surgically based therapies may extend survival in select patients, however, local relapse after resection is common. Novel intraoperative adjunctive therapies including heated intraoperative chemotherapy (HIOC), heated intraoperative povidone-iodine (PVP-I), and photodynamic therapy (PDT) target micrometastatic disease and aim to improve local control. This review details the most recent studies and trials of HIOC, heated intraoperative PVP-I, and PDT, this aims to provide an update on some of the most promising intraoperative adjuncts for patients with MPM...
June 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28712279/the-role-of-adjuvant-external-beam-radiation-therapy-for-papillary-thyroid-carcinoma-invading-the-trachea
#5
Young Suk Kim, Jae Hyuck Choi, Kwang Sik Kim, Gil Chae Lim, Jeong Hong Kim, Ju Wan Kang, Hee-Sung Song, Sang Ah Lee, Chang Lim Hyun, Yunseon Choi, Gwi Eon Kim
PURPOSE: To evaluate the effect of adjuvant external beam radiation therapy (EBRT) on local failure-free survival rate (LFFS) for papillary thyroid cancer (PTC) invading the trachea. MATERIALS AND METHODS: Fifty-six patients with locally advanced PTC invading the trachea were treated with surgical resection. After surgery, 21 patients received adjuvant EBRT and radioactive iodine therapy (EBRT group) and 35 patients were treated with radioactive iodine therapy (control group)...
June 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28711203/dual-energy-computed-tomography-angiography-of-the-head-and-neck-and-related-applications
#6
REVIEW
Shahmir Kamalian, Michael H Lev, Stuart R Pomerantz
Dual-energy computed tomography (DECT) has become an increasingly widespread and useful component of the neuroimaging armamentarium, offering automated bone removal, metallic artifact reduction, and improved characterization of iodinated contrast enhancement. The application of these techniques to CT neuroangiography enables a number of benefits including more efficient 3D post-processing, contrast dose reduction opportunities, successful differentiation of hemorrhage from contrast staining following thromboembolic recanalization therapy, improved detection of active contrast extravasation in the setting of intracranial hemorrhage, and more precise characterization of atheromatous steno-occlusive disease...
August 2017: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/28704384/quantitative-thyroglobulin-response-to-radioactive-iodine-treatment-in-predicting-radioactive-iodine-refractory-thyroid-cancer-with-pulmonary-metastasis
#7
Chen Wang, Xin Zhang, Hui Li, Xin Li, Yansong Lin
OBJECTIVE: Current diagnosis of radioactive iodine (RAI)-refractory (RAIR) differentiated thyroid cancer (DTC) is based on the imaging technique, which is of a high cost. Serum thyroglobulin (Tg) is a sensitive and easily obtained biomarker. Hence, we aimed to assess the predicting value of quantitative response of Tg in earlier identifying the RAIR-DTC with pulmonary metastasis. PATIENTS AND METHODS: Pulmonary metastatic DTC patients who underwent total or near-total thyroidectomy and at least two times of RAI therapy were included in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28703886/dual-energy-ct-a-possible-new-method-to-assess-regression-of-rectal-cancers-after-neoadjuvant-treatment
#8
Issam Al-Najami, Henrik C Drue, Robert Steele, Gunnar Baatrup
BACKGROUND AND OBJECTIVES: The measurement of tumor regression after neoadjuvant oncological treatment has gained increasing interest because it has a prognostic value and because it may influence the method of treatment in rectal cancer. The assessment of tumor regression remains difficult and inaccurate with existing methods. Dual Energy Computed Tomography (DECT) enables qualitative tissue differentiation by simultaneous scanning with different levels of energy. We aimed to assess the feasibility of DECT in quantifying tumor response to neoadjuvant therapy in loco-advanced rectal cancer...
July 13, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28699814/survival-times-for-cats-with-hyperthyroidism-treated-with-a-3-35-mci-iodine-131-dose-a-retrospective-study-of-96-cases
#9
Marie Vagney, Loic Desquilbet, Edouard Reyes-Gomez, Françoise Delisle, Patrick Devauchelle, Maria Isabel Rodriguez-Piñeiro, Dan Rosenberg, Pauline de Fornel-Thibaud
Objectives Radioiodine ((131)I) dose determination using radiotracer kinetic studies or scoring systems, and fixed relatively high (131)I dose (ie, 4 or 5 mCi) administration, are effective and associated with prolonged survival times for hyperthyroid cats. The latter method is less complicated but could expose patients and veterinary personnel to unnecessary levels of radiation. The aim of this study was to retrospectively evaluate the efficacy of a fixed 3.35 mCi (131)I dose for the treatment of 96 hyperthyroid cats with no length estimation for any palpated goitre ⩾20 mm, assess outcome and identify factors associated with survival...
July 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28699420/referral-trends-for-surgical-management-of-graves-disease
#10
Warren C Swegal, Steven S Chang, Michael C Singer
BACKGROUND: Treatment algorithms for Graves' disease (GD) differ internationally and frequency of referral for surgical intervention varies markedly between areas. Given the potential benefits of thyroidectomy over radioactive iodine (RAI) and medical therapy, surgery may be underutilized. To better understand the approach of endocrinologists to GD, we assessed the rationale for consultation among patients referred for thyroidectomy to an endocrine surgery practice in the United States...
July 12, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28693291/diagnostic-clue-of-nodular-fasciitis-mimicking-metastasis-in-papillary-thyroid-cancer-mismatching-findings-on-18-f-fdg-pet-ct-and-123-i-whole-body-scan-a-case-report
#11
Minjung Seo, Misung Kim, Eun Sook Kim, Hongbo Sim, Sungmin Jun, Seol Hoon Park
This study reports a case of nodular fasciitis incidentally detected in a patient with papillary thyroid cancer. A 47-year-old woman underwent a total thyroidectomy and radioactive iodine therapy for papillary thyroid cancer. On a follow-up fluorodeoxyglucose ((18)F-FDG) PET/computed tomography (CT) scan after 12 months, a focal (18)F-FDG-avid lesion was incidentally detected in the paraspinal muscle. It was well-enhanced on CT and magnetic resonance imaging, indicating metastasis. However, the lesion was not iodine avid on the (123)I whole body scan, which favored benign etiology over metastasis from thyroid cancer...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28687563/axitinib-treatment-in-advanced-rai-resistant-differentiated-thyroid-cancer-dtc-and-refractory-medullary-thyroid-cancer-mtc
#12
Jaume Capdevila, Jose Manuel Trigo, Javier Aller, Jose Luis Manzano, Silvia Garcia-Adrian, Carles Zafon, Oscar Reig, Uriel Bohn, Teresa Ramon Y Cajal, Manuel Duran, Beatriz Gonzalez-Astorga, Ana Lopez-Alfonso, Javier Medina, Ignacio Porras, Juan Jose Reina, Nuria Palacios, Enrique Grande, Elena Cillan, Ignacio Matos, Juan Jose Grau
BACKGROUND: Axitinib, an antiangiogenic multikinase inhibitor (MKI) was evaluated in the compassionate-use-program in Spain (October 2012-November 2014). MATERIALS AND METHODS: 47 patients with advanced radioactive iodine-refractory differentiated thyroid cancer (DTC, n=34) or medullary thyroid cancer (MTC, n=13) with documented disease progression were treated with axitinib 5 mg bid. The primary efficacy endpoint was overall response rate (ORR) by RECIST v1.1. Progression-free survival (PFS) and adverse events (AEs) were secondary objectives...
July 7, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28687430/management-of-the-lateral-neck-in-well-differentiated-thyroid-cancer
#13
REVIEW
J R Cracchiolo, R J Wong
Lateral neck lymph node metastases in well differentiated thyroid cancer are common, ranging from 30% to 60%, with the majority of these foci identifiable only as microscopic deposits. A skilled ultrasound evaluation of the lymph nodes in the lateral neck is recommended for all patients presenting with newly diagnosed thyroid cancer undergoing surgical management. Ultrasound guided fine needle aspiration biopsy may be used to cytologically confirm suspected lateral neck nodal metastases prior to surgery. For patients with large volume nodal disease, extranodal extension, or multiple nodal metastases, computed tomography (CT) scan of the neck with contrast is an important additional imaging modality to accurately localize disease prior to surgery...
June 22, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28682465/a-comparative-study-of-clinical-intervention-and-interventional-photothermal-therapy-for-pancreatic-cancer
#14
Yanyan Hu, Chongwei Chi, Shunhao Wang, Lingxiong Wang, Ping Liang, Fangyi Liu, Wenting Shang, Weiwei Wang, Fengrong Zhang, Shanshan Li, Heyun Shen, Xiaoling Yu, Huiyu Liu, Jie Tian
Although nanoparticle-based photothermal therapy (PTT) has been intensively investigated recently, its comparative efficiency with any clinical cancer treatments has been rarely explored. Herein for the first time we report a systematic comparative study of clinical iodine-125 ((125) I) interstitial brachytherapy (IBT-125-I) and interventional PTT (IPTT) in an orthotopic xenograft model of human pancreatic cancer. IPTT, based on the nanoparticles composing of anti-urokinase plasminogen activator receptor (uPAR) antibody, polyethylene glycol (PEG), and indocyanine green (ICG) modified gold nanoshells (hereinafter uIGNs), is directly applied to local pancreatic tumor deep in the abdomen...
July 6, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28680210/incidentally-detected-thyroid-follicular-neoplasm-on-somatostatin-receptor-imaging-and-post-therapy-scan
#15
Apurva Sood, Harpreet Singh, Ashwani Sood, Rajender Kumar Basher, Bhagwant Rai Mittal
Peptide receptor radionuclide therapy (PRRT) either using Lu-177 or Y-90 peptide radiopharmaceuticals has emerged as promising treatment modality in patients with inoperable metastatic neuroendocrine tumour (NET) including medullary thyroid cancer, because of overexpression of somatostatin receptor 2 (sstr-2) on these cells. The several investigators have used PRRT in non-iodine avid differentiated thyroid cancer patients with limited success, where other treatment modalities have failed, probably due to faint sstr-2 expression in these lesions...
July 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28670511/radioactive-iodine-therapy-and-glucose-tolerance
#16
REVIEW
Roghaieh Samadi, Babak Shafiei, Fereidoun Azizi, Asghar Ghasemi
Radioactive iodine therapy is commonly used as an adjuvant therapy in follicular and papillary thyroid carcinoma (PTC) and in the treatment of Graves' disease (GD). The basis of this therapy is the accumulation of radioactive iodine by the sodium-iodide symporter (NIS) in the thyroid gland. Expression of NIS by extrathyroidal tissues such as islets of pancreas has been reported. Radioactive iodine uptake by pancreatic beta-cells can potentially damage these cells. In this study, we discuss the possible associations between radioactive iodine and glucose intolerance...
July 2017: Cell Journal
https://www.readbyqxmd.com/read/28666212/time-kill-kinetic-analysis-of-antimicrobial-chemotherapy-based-on-hydrogen-peroxide-photolysis-against-streptococcus-mutans-biofilm
#17
Midori Shirato, Keisuke Nakamura, Taro Kanno, Peter Lingström, Yoshimi Niwano, Ulf Örtengren
A recently developed antimicrobial technique utilizing hydroxyl radicals generated by hydrogen peroxide (H2O2) photolysis represents a promising new therapy for preventing and treating dental caries. The present study compared the antimicrobial time-kill kinetics of H2O2 photolysis, conventional antiseptics, and antimicrobial photodynamic therapy (aPDT) against biofilm-forming Streptococcus mutans (cariogenic bacteria) grown on hydroxyapatite disks. H2O2 photolysis was performed by irradiating the biofilm immersed in 3% H2O2 with 365-nm light-emitting diode (LED) light at an irradiance of 1000mW/cm(2) for up to 1...
June 21, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28666098/anti-rhoj-antibody-functionalized-au-i-nanoparticles-as-ct-guided-tumor-vessel-targeting-radiosensitizers-in-patient-derived-tumor-xenograft-model
#18
Sen Liu, Hui Li, Luyao Xia, Peipei Xu, Yin Ding, Da Huo, Yong Hu
The clinical success of radiotherapy is greatly hampered due to its intolerable off-target cytotoxicity induced by the high dose of radiation. Meanwhile, low dose of irradiation greatly potentiates the intratumoral angiogenesis, which promotes the local relapse and metastasis of tumor. Therefore, it is essential to reduce the irradiation dosage while inhibiting the tumor angiogenesis during radiotherapy. In this work, tumor vessel specific ultrafine Au@I nanoparticles (AIRA NPs) are fabricated and used as targeted radiosensitizers...
June 23, 2017: Biomaterials
https://www.readbyqxmd.com/read/28662274/phase-2-study-evaluating-the-combination-of-sorafenib-and-temsirolimus-in-the-treatment-of-radioactive-iodine-refractory-thyroid-cancer
#19
Eric J Sherman, Lara A Dunn, Alan L Ho, Shrujal S Baxi, Ronald A Ghossein, Matthew G Fury, Sofia Haque, Cami S Sima, Grace Cullen, James A Fagin, David G Pfister
BACKGROUND: Patients with recurrent and/or metastatic, radioactive iodine-refractory thyroid carcinoma have limited treatment options. Sorafenib, an oral kinase inhibitor, is approved by the US Food and Drug Administration for the treatment of radioactive iodine-refractory thyroid carcinoma, although it demonstrated low response rates (12.2%) as a single agent in the first-line setting. The objective of the current study was to determine whether adding the mammalian target of rapamycin inhibitor temsirolimus to sorafenib could improve on these results...
June 29, 2017: Cancer
https://www.readbyqxmd.com/read/28662033/a-phase-i-study-of-pazopanib-in-combination-with-escalating-doses-of-131i-in-patients-with-well-differentiated-thyroid-carcinoma-borderline-refractory-to-radioiodine
#20
Laura Q Chow, Rafael Santana-Davila, Austin Pantel, Mara Roth, Leslie N Anderson, Alan Failor, Robert Doot, David Mankoff
OBJECTIVE: This trial was conducted to evaluate the ability of pazopanib to overcome therapeutic 131I resistance. MATERIALS, METHODS AND PATIENTS: This phase 1 trial assesses the combination of pazopanib and escalating doses of radioiodine (131I) in patients with recurrent or metastatic thyroid cancer that are borderline or relatively iodine refractory. Radioiodine uptake scans were assessed post therapy and compared to historical pre-treatment scans. Patients underwent FDG PET/CT before and after the initial pazopanib treatment to identify the impact of pazopanib on the cancer prior to 131I therapy...
2017: PloS One
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