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https://www.readbyqxmd.com/read/29165912/reproducibility-of-radioactive-iodine-uptake-raiu-measurements
#1
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/29162424/injectable-hydrogels-for-localized-chemo-and-radio-therapy-in-brain-tumors
#2
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/29144545/music-therapy-for-depression
#3
REVIEW
Sonja Aalbers, Laura Fusar-Poli, Ruth E Freeman, Marinus Spreen, Johannes Cf Ket, Annemiek C Vink, Anna Maratos, Mike Crawford, Xi-Jing Chen, Christian Gold
BACKGROUND: Depression is a highly prevalent mood disorder that is characterised by persistent low mood, diminished interest, and loss of pleasure. Music therapy may be helpful in modulating moods and emotions. An update of the 2008 Cochrane review was needed to improve knowledge on effects of music therapy for depression. OBJECTIVES: 1. To assess effects of music therapy for depression in people of any age compared with treatment as usual (TAU) and psychological, pharmacological, and/or other therapies...
November 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29142854/skin-metastasis-on-the-neck-an-unusual-presentation-of-recurrence-of-papillary-thyroid-carcinoma
#4
Selen Soylu, Akif Enes Arikan, Serkan Teksoz, Murat Ozcan, Yusuf Bukey
Skin metastasis of papillary thyroid carcinoma (PTC) is rare. Here, two cases of skin metastases of PTC are presented. Both of the patients were females, one is 83 and the other is 65 years old. The patients were admitted to the hospital with a movable skin lesion on anterior neck region. Free T3 and T4 levels were in normal levels and TSH levels were low in both patients. The 83-year-old patient underwent total thyroidectomy due to papillary thyroid cancer and received (131)I ablation therapy and then thyroid suppression therapy...
October 2017: Gland Surgery
https://www.readbyqxmd.com/read/29139105/preoperative-medical-therapy-before-surgery-for-uterine-fibroids
#5
REVIEW
Anne Lethaby, Lucian Puscasiu, Beverley Vollenhoven
BACKGROUND: Uterine fibroids occur in up to 40% of women aged over 35 years. Some are asymptomatic, but up to 50% cause symptoms that warrant therapy. Symptoms include anaemia caused by heavy menstrual bleeding, pelvic pain, dysmenorrhoea, infertility and low quality of life. Surgery is the first choice of treatment. In recent years, medical therapies have been used before surgery to improve intraoperative and postoperative outcomes. However, such therapies tend to be expensive.Fibroid growth is stimulated by oestrogen...
November 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29136675/only-a-rapid-complete-biochemical-remission-after-131i-therapy-is-associated-with-an-unimpaired-life-expectancy-in-differentiated-thyroid-cancer
#6
Frederik A Verburg, Uwe Mäder, Inge Grelle, Luca Giovanella, Christoph Reiners, Heribert Hänscheid
The objective of the work was to investigate the relationship between thyroglobulin doubling time (TgDT) as a marker of speed of response to (131)I-therapy and the differentiated thyroid cancer (DTC) recurrence rate, DTC specific mortality rate, and relative survival rate in a DTC population followed over a long period of time after (131)I-therapy. From our database, data of 1354 patients were reviewed. TgDT could be calculated in 174 patients, however, 376 patients did not have sufficient Tg values available for TgDT calculation and 804 patients reached biochemical remission before a sufficient number of Tg measurements for TgDT calculation was acquired...
November 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29136341/photodynamic-therapy-and-nuclear-imaging-activities-of-zinc-phthalocyanine-integrated-tio2-nanoparticles-in-breast-and-cervical-tumors
#7
Fatma Yurt, Kasim Ocakoglu, Mine Ince, Suleyman Gokhan Colak, Ozge Er, Hale Melis Soylu, Cumhur Gunduz, Cıgır Biray Avci, Cansu Caliskan Kurt
In recent years, phthalocyanines (Pcs) have been widely used as photosensitizer in photodynamic therapy applications. Because of their strong absorptions in the near-infrared region (640-700 nm). The integration of phthalocyanine derivatives to a nanoparticle is expected to be efficient way to improve the activity of the photosensitizer on the targeted tissue. It is known that the integrated molecules not only show better accumulation on tumor tissue but also reduce toxicity in healthy tissues. In this study, the ZnPc molecule was synthesized and integrated to the TiO2 nanoparticle, to investigate the potential of PDT and its cytotoxicity...
November 14, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29135721/clinical-outcomes-and-prognostic-factors-of-radioiodine-ablation-therapy-for-lymph-node-metastases-from-papillary-thyroid-carcinoma
#8
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
https://www.readbyqxmd.com/read/29132255/selected-radiation-safety-aspects-including-transportation-and-lodging-after-outpatient-sup-131-sup-i-therapy-for-differentiated-thyroid-cancer
#9
Cristiane Jeyce Gomes-Lima, Di Wu, Pejman H Kharazi, Gauri Khorjekar, Matthew D Ringel, Richard J Vetter, Gary Bloom, Kenneth D Burman, Leonard Wartofsky, Douglas Van Nostrand
BACKGROUND: Whether <sup>131</sup>I treatments for differentiated thyroid cancer (DTC) should be performed as an outpatient or inpatient remains controversial. The objective of this study was to survey selected aspects of radiation safety of patients treated with <sup>131</sup>I for DTC as an outpatient. METHODS: An e-mail invitation was sent to over 15,000 members of ThyCa: Thyroid Cancer Survivors' Association, Inc. to complete a web-based survey on selected aspects of radiation safety regarding their last outpatient <sup>131</sup>I treatment...
November 13, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29114605/diffuse-large-b-cell-lymphoma-in-very-elderly-patients-over-80-years-old-incorporating-consolidative-radiation-therapy-into-management-decisions
#10
Chelsea C Pinnix, Therese Y Andraos, Bouthaina Dabaja, Sarah Milgrom, Grace Smith, Dai Chihara, Andrea Ng, Luis E Fayad, Yasuhiro Oki, Sattva Neelapu, Jason Westin, M Alma Rodriguez, Loretta J Nastoupil
Purpose: The population of patients aged 80 years or older who are diagnosed with diffuse large B-cell lymphoma (DLBCL) continues to increase, but an optimal treatment strategy has not been established. We sought to examine the influence of consolidative radiation therapy (RT) on outcome and toxicity among the very elderly diagnosed with stage I-IV DLBCL. Methods and materials: We evaluated 131 patients treated at a single institution between 2002 and 2014 who were eligible for RT after successful treatment with chemotherapy...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29113356/prediction-of-thyroidal-131-i-effective-half-life-in-patients-with-graves-disease
#11
Ruiguo Zhang, Guizhi Zhang, Renfei Wang, Jian Tan, Yajing He, Zhaowei Meng
Purpose: Calculation of effective thyroidal half-life (Teff) of iodine-131((131)I) is cumbersome and tedious. The aim of this study was to investigate factors that could be used to predict Teff and to develop a Teff prediction model in Graves' disease patients. Methods: A total of 256 patients with GD were involved in this study. We investigated the influences of age, gender, disease duration, thyroid weight, antithyroid drugs, antithyroid drugs discontinuation period (ADP), thyroid function indexes, thyroid autoantibodies, thyroid-stimulating hormone receptor antibody (TRAb) level and radioactive iodine uptake (RAIU) values before (131)I therapy on Teff, applying univariate and multivariate analyses...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29099942/phase-1-study-of-high-specific-activity-i-131-mibg-for-metastatic-and-or-recurrent-pheochromocytoma-or-paraganglioma
#12
Richard B Noto, Daniel A Pryma, Jessica Jensen, Tess Lin, Nancy Stambler, Thomas Strack, Vivien Wong, Stanley J Goldsmith
Context: There are no approved therapies for the treatment of metastatic and/or recurrent pheochromocytoma or paraganglioma (PPGL) in the United States. Objective: To determine the maximum tolerated dose (MTD) of high-specific-activity I-131 meta-iodobenzylguanidine (MIBG) for the treatment of metastatic and/or recurrent PPGL. Design: Phase 1, dose escalating study to determine the MTD via a standard 3+3 design; escalating by 37 MBq/kg starting at 222 MBq/kg...
November 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29098485/idac-dose-2-1-an-internal-dosimetry-program-for-diagnostic-nuclear-medicine-based-on-the-icrp-adult-reference-voxel-phantoms
#13
Martin Andersson, Lennart Johansson, Keith Eckerman, Sören Mattsson
BACKGROUND: To date, the estimated radiation-absorbed dose to organs and tissues in patients undergoing diagnostic examinations in nuclear medicine is derived via calculations based on models of the human body and the biokinetic behaviour of the radiopharmaceutical. An internal dosimetry computer program, IDAC-Dose2.1, was developed based on the International Commission on Radiological Protection (ICRP)-specific absorbed fractions and computational framework of internal dose assessment given for reference adults in ICRP Publication 133...
November 3, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/29097943/correlation-of-somatostatin-receptor-2-expression-with-gallium-68-dota-tate-uptake-in-neuroblastoma-xenograft-models
#14
Libo Zhang, Douglass C Vines, Deborah A Scollard, Trevor McKee, Teesha Komal, Milan Ganguly, Trevor Do, Bing Wu, Natasha Alexander, Reza Vali, Amer Shammas, Travis Besanger, Sylvain Baruchel
Peptide-receptor imaging and therapy with radiolabeled somatostatin analogs such as (68)Ga-DOTA-TATE and (177)Lu-DOTA-TATE have become an effective treatment option for SSTR-positive neuroendocrine tumors. The purpose of this study was to evaluate the correlation of somatostatin receptor-2 (SSTR2) expression with (68)Ga-DOTA-TATE uptake and (177)Lu-DOTA-TATE therapy in neuroblastoma (NB) xenograft models. We demonstrated variable SSTR2 expression profiles in eight NB cell lines. From micro-PET imaging and autoradiography, a higher uptake of (68)Ga-DOTA-TATE was observed in SSTR2 high-expressing NB xenografts (CHLA-15) compared to SSTR2 low-expressing NB xenografts (SK-N-BE(2))...
2017: Contrast Media & Molecular Imaging
https://www.readbyqxmd.com/read/29072195/evaluation-of-water-mimicking-solid-phantom-materials-for-use-in-hdr-and-ldr-brachytherapy-dosimetry
#15
Andreas Alexander Schoenfeld, Maike Thieben, Dietrich Harder, Bjoern Poppe, Ndimofor Chofor
In modern HDR or LDR brachytherapy with photon emitters, fast checks of the dose profiles generated in water or a water-equivalent phantom have to be available in the interest of patient safety. However, the commercially available brachytherapy photon sources cover a wide range of photon emission spectra, and the range of the in-phantom photon spectrum is further widened by Compton scattering, so that the achievement of water-mimicking properties of such phantoms involves high requirements on their atomic composition...
October 26, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29066479/eosinophil-cationic-protein-in-patients-with-differentiated-thyroid-cancer-treated-with-radioactive-iodine-131
#16
Snezana Zivancevic-Simonovic, Olgica Mihaljevic, Irena Kostic, Nevenka Ilic, Dusan Mihajlovic, Dragan Vasiljevic, Ljiljana Mijatovic-Teodorovic, Svetlana Miletic-Drakulic, Miodrag Colic
Published data indicate the involvement of eosinophil granulocytes and eosinophil cationic protein (ECP) in tumor defense. The aim of this study was to analyze serum ECP concentrations in patients with differentiated thyroid cancer (DTC) before, 3 days and 7 days after radioactive iodine (131-I) therapy. Association of ECP concentrations with histological type of tumor, stage of disease and/or levels of selected T-helper 2 (Th2) cytokines was examined. The study population included 17 DTC patients and 10 control subjects...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29045554/veliparib-with-temozolomide-or-carboplatin-paclitaxel-versus-placebo-with-carboplatin-paclitaxel-in-patients-with-brca1-2-locally-recurrent-metastatic-breast-cancer-randomized-phase-ii-study
#17
H S Han, V Diéras, M Robson, M Palácová, P K Marcom, A Jager, I Bondarenko, D Citrin, M Campone, M L Telli, S M Domchek, M Friedlander, B Kaufman, J E Garber, Y Shparyk, E Chmielowska, E H Jakobsen, V Kaklamani, W Gradishar, C K Ratajczak, C Nickner, Q Qin, J Qian, S P Shepherd, S J Isakoff, S Puhalla
Background: Homologous recombination defects in BRCA1/2-mutated tumors result in sensitivity to poly(ADP-ribose) polymerase (PARP) inhibitors, which interfere with DNA damage repair. Veliparib, a potent PARP inhibitor, enhanced the antitumor activity of platinum agents and temozolomide in early phase clinical trials. This phase II study examined the safety and efficacy of intermittent veliparib with carboplatin/paclitaxel (VCP) or temozolomide (VT) in patients with BRCA1/2-mutated breast cancer...
September 29, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29032724/reintroducing-the-sodium-iodide-symporter-to-anaplastic-thyroid-carcinoma
#18
Kathrin A Schmohl, Patrick Dolp, Christina Schug, Kerstin Knoop, Kathrin Klutz, Nathalie Schwenk, Peter Bartenstein, Peter J Nelson, Manfred Ogris, Ernst Wagner, Christine Spitzweg
BACKGROUND: Anaplastic thyroid carcinoma (ATC), the most aggressive form of thyroid cancer, is unresponsive to radioiodine therapy. The current study aimed to extend the diagnostic and therapeutic application of radioiodine beyond the treatment of differentiated thyroid cancer by targeting the functional sodium-iodide symporter (NIS) to ATC. METHODS: The study employed nanoparticle vectors (polyplexes) based on linear polyethylenimine (LPEI), shielded by polyethylene glycol (PEG) and coupled to the synthetic peptide GE11 as an epidermal growth factor receptor (EGFR)-specific ligand in order to target a NIS-expressing plasmid (LPEI-PEG-GE11/NIS) to EGFR overexpressing human thyroid carcinoma cell lines...
November 10, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28974598/molecular-radiotheragnostics-in-thyroid-disease
#19
Nitasha Singh, Val Lewington
Molecular radiotheragnostics directly links nuclear medicine diagnostic imaging to therapy. The imaging study is used to detect a specific molecular target associated with a disease process. A radiotherapeutic molecule with a similar biodistribution to the diagnostic agent can then be used to deliver targeted therapy.Molecular radiotheragnostics have been applied to manage both benign and malignant thyroid disease since the 1940s. The specific molecular pathway targeted is the sodium/iodide symporter (NIS) located on the basolateral membrane of the thyroid follicular cell...
October 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28969240/a-functional-scoring-system-based-on-salivary-gland-scintigraphy-for-evaluating-salivary-gland-dysfunction-secondary-to-131-i-therapy-in-patients-with-differentiated-thyroid-carcinoma
#20
Yasuhiro Maruoka, Shingo Baba, Takuro Isoda, Yoshiyuki Kitamura, Koichiro Abe, Masayuki Sasaki, Hiroshi Honda
INTRODUCTION: Radioiodine therapy with (131)I ((131)I therapy) after total or near-total thyroidectomy has been established as an effective treatment for Differentiated Thyroid Carcinoma (DTC), but can induce dry mouth symptoms by salivary gland damage and impair the patients' quality of life. AIM: To propose a functional scoring system based on Salivary Gland Scintigraphy (SGS) findings that evaluates development of salivary gland dysfunction secondary to (131)I therapy in patients with DTC...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
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