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https://www.readbyqxmd.com/read/28213773/radioiodine-treatment-after-surgery-for-differentiated-thyroid-cancer-a-reasonable-option
#1
EDITORIAL
Jérôme Clerc, Frederik A Verburg, Anca M Avram, Luca Giovanella, Elif Hindié, David Taïeb
No abstract text is available yet for this article.
February 17, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28206679/technical-note-determination-of-individual-thyroid-clearance-effective-half-life-with-a-common-handheld-electronic-dosimeter
#2
Markus Fürstner, Michael Hentschel, Petar-Marko Spanjol, George A Prenosil, Sabine Weidner, Thomas Krause, Bernd Klaeser
PURPOSE: To determine the thyroid clearance effective half-life (Ʈ) with a common handheld electronic dosimeter (ED) in patients undergoing radioiodine treatment for hyperthyroidism. METHODS: Dose rates from twelve inpatients were measured daily with an ED and with a clinical uptake counter. The ED was attached to the patient with two different setups, one using a cervical collar and another employing a neck strap. Estimation of Ʈ was performed by linear regression analysis of the log of both the ED and the uptake counter measurements versus time...
February 16, 2017: Medical Physics
https://www.readbyqxmd.com/read/28179619/rituximab-can-induce-remission-in-a-patient-with-ankylosing-spondylitis-who-failed-anti-tnf-%C3%AE-agent
#3
Fahmi AlDhaheri, Talal Almteri, Naji Dwid, Ahd Majdali, Nahed Janoudi, Hani Almoallim
BACKGROUND Ankylosing spondylitis (AS) is a chronic inflammatory disease that predominantly affects the axial skeleton. The ability of anti-TNF-α agents to reduce disease activity in patients with axial spondyloarthritis (axSpA), including AS, has been demonstrated in multiple randomized trials and several meta-analyses. Reports on the efficacy of rituximab in treatment of AS have described good results. We report on a patient with AS who failed anti-TNF-α therapy but showed good clinical improvement with rituximab therapy...
February 9, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28178685/overwhelming-rapid-metabolic-and-structural-response-to-apatinib-in-radioiodine-refractory-differentiated-thyroid-cancer
#4
Yansong Lin, Chen Wang, Wen Gao, Ruixue Cui, Jun Liang
Currently, patients with radioiodine refractory differentiated thyroid cancer (RAIR-DTC) have limited treatment options. In this study, we aimed to assess the short-term efficacy and safety of apatinib in RAIR-DTC. Ten adult patients were prospectively enrolled to receive oral apatinib (750 mg q.d). The primary endpoints were change in serum thyroglobulin (Tg) concentration, disease control rate (DCR) and objective response rate (ORR) based on RECIST 1.1 criteria. The secondary endpoints included change in glucose metabolism, evaluated by maximum standard uptake value (SUVmax), and safety...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28165859/exercise-induced-hypoxemia-in-juvenile-thyroid-carcinoma-with-lung-metastases
#5
Florian J Segerer, Johannes Biko, Christoph Reiners, Clemens Wirth, Helge Hebestreit
PURPOSE: Exercise-induced arterial hypoxemia (EIAH) has been reported in patients with juvenile thyroid cancer treated with radioiodine for lung metastases. This retrospective study tested the hypothesis that EIAH is due to ventilation-perfusion-mismatch in this rare pulmonary condition. METHOD: 50 patients (age 13 -23 years) treated for juvenile thyroid carcinoma and lung metastasis with 131I and 24 controls with thyroid cancer but without lung metastases and prior 131I-treatment were assessed in a state of acute hypothyroidism by computed tomography of the lungs, pulmonary function testing, cardiopulmonary exercise test with measurements of gas exchange, oxygen saturation, alveolar-arterial difference in pO2 (p(A-a)O2) and pCO2 (p(ET-a)CO2)...
February 6, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28160320/utility-of-i-124-pet-ct-in-identifying-radioiodine-avid-lesions-in-differentiated-thyroid-cancer-a-systematic-review-and-meta-analysis
#6
REVIEW
Prasanna Santhanam, David Taieb, Lilja Solnes, Wael Marashdeh, Paul W Ladenson
INTRODUCTION: Diagnostic I-123 scans have been shown to underestimate the disease burden in differentiated thyroid cancer (DTC) when compared to I-131 post treatment scans, especially in children and patients who have had prior Radioiodine (RAI) therapy and/or distant metastasis.I-124 PET/CT has been shown to be highly effective in imaging DTC related metastatic disease. METHODS: We performed a systematic review and meta-analysis of studies investigating the sensitivity and specificity of I-124 PET/CT in identifying lesions amenable to RAI therapy as confirmed by I-131 post-treatment scanning...
February 3, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28158908/efficacy-of-low-dose-2-millicurie-versus-standard-dose-4-millicurie-radioiodine-treatment-for-cats-with-mild-to-moderate-hyperthyroidism
#7
J M Lucy, M E Peterson, J F Randolph, P V Scrivani, M Rishniw, D L Davignon, M S Thompson, J M Scarlett
BACKGROUND: Radioiodine ((131) I) is effective treatment for hyperthyroidism in cats, but optimal dose to restore euthyroidism without inducing hypothyroidism is unclear. Treatment-induced hypothyroidism can lead to azotemia and reduced duration of survival. OBJECTIVE: To compare efficacy and short-term outcomes of low-dose (131) I versus higher, standard-dose (131) I as treatment for hyperthyroidism. ANIMALS: A total of 189 client-owned cats undergoing (131) I treatment for mild-to-moderate hyperthyroidism (serum T4 ≥ 4...
February 3, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28154904/less-is-more-reconsidering-the-need-for-regular-use-of-diagnostic-whole-body-radioiodine-scintigraphy-in-the-follow-up-of-differentiated-thyroid-cancer
#8
EDITORIAL
Christian Pirich, Gregor Schweighofer-Zwink
No abstract text is available yet for this article.
February 2, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28149805/radioguided-sentinel-lymph-node-biopsy-in-patients-with-papillary-thyroid-carcinoma
#9
Mattia Portinari, Paolo Carcoforo
BACKGROUND: The ATA guidelines do not recommend prophylactic central compartment neck dissection in patients with T1-T2 papillary thyroid carcinoma (PTC) with no clinical evidence of lymph node metastasis, however patients' staging is recommended. Lymph node metastasis may be present also in small PTC, but preoperative ultrasound identifies suspicious cervical lymphadenopathy in 20-30% of patients. The role of sentinel lymph node biopsy (SLNB) remain open to debate. It has been shown that the identification rate of SLN in PTC patients is improved using a radiotracer compared to a dye technique...
December 2016: Gland Surgery
https://www.readbyqxmd.com/read/28139379/radioiodine-for-high-risk-and-radioiodine-refractory-thyroid-cancer-current-concepts-in-management
#10
K L Newbold, G Flux, J Wadsley
The management of early stage differentiated thyroid cancer (DTC) with low risk of recurrence has been the subject of much interest and investigation in the recent years. Locally advanced DTC and patients with a high risk of recurrent disease however needs further investigation. This short review will look at what constitutes high risk thyroid cancer, the definition of radioiodine refractory disease, the current management and areas of debate within this clinical setting.
January 27, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28133245/-a-case-of-mediastinal-dissection-by-video-assisted-thoracoscopic-surgery-vats-in-a-patient-with-mediastinal-nodal-recurrence-from-thyroid-carcinoma-after-primary-surgery-via-median-sternotomy
#11
Hiroshi Kawai, Ryoma Sugimoto, Norichika Iga, Hirokuni Ikeda, Ryosuke Yoshida, Naohisa Waki, Masahiro Ishizaki, Hideyuki Nishi, Kazuki Yamashita
A70 's male was diagnosed with advanced papillary thyroid carcinoma and underwent total thyroidectomy with left lymph node dissection(T4a, N1b, M0, stage IV A). Six years after the surgery, subclavicular and mediastinal lymph node recurrence was observed. Radioiodine therapy was not successful for those lesions. Lymph node dissection was performed via the cervical and transsternal approaches. One year after the second surgery, cervical and mediastinal lymph node recurrence was again observed. We removed the cervical lymph nodes via the cervical approach...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28132755/ten-year-experience-of-radioiodine-dosimetry-is-it-useful-in-the-management-of-metastatic-differentiated-thyroid-cancer
#12
F Sun, G E Gerrard, J K Roberts, T Telford, S Namini, M Waller, G Flux, V M Gill
AIMS: When a fixed activity of radioiodine is given for differentiated thyroid cancer (DTC), absorbed doses of radioiodine can vary widely and are not usually measured. Leeds Cancer Centre has routinely used a form of lesion-specific dosimetry for radioiodine patients. This study investigated if the results of dosimetry influenced treatment decisions for patients with advanced DTC. MATERIALS AND METHODS: Since 2005, patients with regionally advanced/metastatic DTC, who underwent radioiodine treatment together with dosimetry, were included in this study...
January 27, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28124274/upregulation-of-the-esr1-gene-and-esr-ratio-esr1-esr2-is-associated-with-a-worse-prognosis-in-papillary-thyroid-carcinoma-the-impact-of-the-estrogen-receptor-%C3%AE-%C3%AE-expression-on-clinical-outcomes-in-papillary-thyroid-carcinoma-patients
#13
Jin Wook Yi, Su-Jin Kim, Jong Kyu Kim, Chan Yong Seong, Hyeong Won Yu, Young Jun Chai, June Young Choi, Kyu Eun Lee
BACKGROUND: A gender disparity exists with respect to the incidence of papillary thyroid cancer (PTC), suggesting that sex hormones such as estrogen play a role in PTC development and progression. In this study, we compared estrogen receptor gene expression patterns in PTCs to determine the clinical significance of estrogen gene expression in PTC. METHODS: We analyzed ESR1 and ESR2 messenger RNA expression counts using data from The Cancer Genome Atlas (TCGA). To validate the results of TCGA analysis, we analyzed microarray data (GSE 54958) from the Gene Expression Omnibus...
January 25, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28115470/intracellular-and-non-neuronal-targets-of-voltage-gated-potassium-channel-complex-antibodies
#14
Bethan Lang, Mateusz Makuch, Teresa Moloney, Inga Dettmann, Swantje Mindorf, Christian Probst, Winfried Stoecker, Camilla Buckley, Charles R Newton, M Isabel Leite, Paul Maddison, Lars Komorowski, Jane Adcock, Angela Vincent, Patrick Waters, Sarosh R Irani
OBJECTIVES: Autoantibodies against the extracellular domains of the voltage-gated potassium channel (VGKC) complex proteins, leucine-rich glioma-inactivated 1 (LGI1) and contactin-associated protein-2 (CASPR2), are found in patients with limbic encephalitis, faciobrachial dystonic seizures, Morvan's syndrome and neuromyotonia. However, in routine testing, VGKC complex antibodies without LGI1 or CASPR2 reactivities (double-negative) are more common than LGI1 or CASPR2 specificities. Therefore, the target(s) and clinical associations of double-negative antibodies need to be determined...
January 23, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28106465/evaluation-of-99m-tc-mibi-in-thyroid-gland-imaging-for-the-diagnosis-and-classification-of-amiodarone-induced-thyrotoxicosis
#15
Junqi Wang, Ruiguo Zhang
OBJECTIVE: Amiodarone-induced thyrotoxicosis (AIT) is caused by aminodaroneas a side effect of cardiovascular disease treatment. Based on the differences in their pathological and physiological mechanisms, many methods have been developed so far to differentiate AIT subtypes such as color flow Doppler sonography (CFDS)and 24 h radioiodine uptake (RAIU). However, these methods suffer from inadequate accuracy in distinguishing different types of AITs and sometimes lead to misdiagnosis and delayed treatments...
January 20, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28103285/radioiodinated-exendin-4-is-superior-to-the-radiometal-labelled-glucagon-like-peptide-1-receptor-probes-overcoming-their-high-kidney-uptake
#16
Tilman Läppchen, Roswitha Tönnesmann, Jos Eersels, Philipp T Meyer, Helmut R Maecke, Svetlana N Rylova
GLP-1 receptors are ideal targets for preoperative imaging of benign insulinoma and for quantifying the beta cell mass. The existing clinical tracers targeting GLP-1R are all agonists with low specific activity and very high kidney uptake. In order to solve those issues we evaluated GLP-1R agonist Ex-4 and antagonist Ex(9-39) radioiodinated at Tyr40 side by side with [Nle14,Lys40(Ahx-DOTA-68Ga)NH2]Ex-4 (68Ga-Ex-4) used in the clinic. The Kd, Bmax, internalization and binding kinetics of [Nle14,125I-Tyr40-NH2]Ex-4 and [Nle14,125I-Tyr40-NH2]Ex(9-39) were studied in vitro using Ins-1E cells...
2017: PloS One
https://www.readbyqxmd.com/read/28101491/can-the-american-thyroid-association-risk-of-recurrence-predict-radioiodine-refractory-disease-in-differentiated-thyroid-cancer
#17
Aamna Hassan, Saima Riaz, Humayun Bashir, M Khalid Nawaz, Raza Hussain
OBJECTIVE: The aim of this study was to compare the TNM staging system and the American Thyroid Association (ATA) recurrence risk classification in predicting radioiodine refractory disease (RRD) in differentiated thyroid cancer (DTC) and to analyze the correlation of stimulated thyroglobulin (Tg) levels and rate of Tg elevation with the standardized uptake value on (18)F-fludeoxyglucose (FDG) PET/CT scan. METHODS: RRD was indicated through the retrospective analysis of consecutive (18)F-FDG PET/CT scans in DTC with stimulated Tg >10 ng/ml and negative (131)I NaI whole-body scans (WBS)...
December 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/28086986/radioiodine-sinus-uptake-related-to-mucosal-thickening-or-aspergilloma-a-case-series-of-an-unrecognized-event-well-evidenced-by-spect-ct
#18
Renaud Ciappuccini, David Blanchard, Jean-Pierre Rame, Dominique de Raucourt, Emmanuel Babin, Stéphane Bardet
BACKGROUND: False-positive radioiodine (RAI) uptake related to chronic sinusitis and mucocele has only rarely been reported in patients with differentiated thyroid cancer (DTC) even with the recent use of single photon emission tomography with computed tomography (SPECT/CT) acquisition. No other etiology of sinus RAI uptake has been mentioned to date. OBJECTIVES: We report five cases of DTC patients with sinus RAI uptake on post-RAI scintigraphy. SPECT/CT clearly localized RAI uptake either in the sphenoid, the maxillary or the frontal sinus and highly suspected mucosal thickening in four patients and sinus aspergilloma in one patient...
January 13, 2017: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/28076008/pictorial-review-of-false-positive-results-on-radioiodine-scintigrams-of-patients-with-differentiated-thyroid-cancer
#19
Amy V Chudgar, Jagruti C Shah
Radioiodine has served an important role in the diagnostic workup and treatment of patients with differentiated thyroid cancer for more than 6 decades. The interpretation of radioiodine scintigraphic studies should be performed in conjunction with a comprehensive history, histopathologic correlation, and pertinent laboratory values, as well as correlation with available anatomic images and the findings from physical examination. A thorough understanding of the physiology and biodistribution of radioiodine is critical when interpreting radioiodine scintigraphic studies to avoid misinterpretation of physiologic and nonthyroid pathologic variants as thyroid cancer metastases...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28074218/-autoimmune-diseases-of-the-thyroid-gland
#20
S Allelein, J Feldkamp, M Schott
Autoimmune diseases of the thyroid gland are considered to be the most frequent cause of thyroid gland disorders. Autoimmune thyroid diseases consist of two subgroups: autoimmune thyroiditis (AIT) and Graves' disease. The AIT is the most common human autoimmune disease. Infiltration of the thyroid gland with cytotoxic T‑cells can lead to an initial thyrotoxicosis und during the course to hypothyroidism due to destruction of the thyroid gland. Substitution with Levothyroxine is indicated for manifest hypothyroidism and subclinical hypothyroidism with increased thyroid antibodies with the intention of normalizing the serum thyroid stimulating hormone (TSH)...
January 2017: Der Internist
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