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Radioiodine treatment

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https://www.readbyqxmd.com/read/28719405/clinical-outcomes-1-year-after-empiric-131i-therapy-for-hyperthyroid-disorders-real-life-experience-and-predictive-factors-of-functional-response
#1
Lavinia Vija Racaru, Charlotte Fontan, Mathilde Bauriaud-Mallet, Séverine Brillouet, Olivier Caselles, Slimane Zerdoud, Delphine Bastié, Delphine Vallot, Philippe Caron, Manuel Bardiès, Frederic Courbon
: Radioiodine is a therapeutic option in Europe for Graves' disease (GD) and toxic multinodular goiter (MNG). PURPOSE: To compare empiric and calculated I activities using 2013 EANM recommendations. To look for predictive factors of therapeutic response to an empiric activity of I. To assess clinical situations favoring calculated treatment modalities. PATIENTS AND METHODS: Prospective monocentric study of clinical outcomes at 1 year follow-up in 86 patients with GD and MNG who received empiric I therapeutic activities (348-939 MBq)...
July 17, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28716814/potency-matched-dual-cytokine-antibody-fusion-proteins-for-cancer-therapy
#2
Roberto De Luca, Alex Soltermann, Francesca Pretto, Catherine Pemberton-Ross, Giovanni Pellegrini, Sarah Wulhfard, Dario Neri
A novel biopharmaceutical, consisting of the F8 monoclonal antibody (specific to a splice isoform of fibronectin) simultaneously fused to both tumor necrosis factor and interleukin-2, was found to react with the majority of solid tumors and hematological malignancies in mouse and man, but not with healthy adult tissues. The product selectively localized to neoplastic lesions in vivo, as evidenced by quantitative biodistribution studies using radioiodinated protein preparations. When the potency of the cytokine payloads was matched by a single-point mutation, the resulting fusion protein (IL2-F8-TNF(mut)) eradicated soft-tissue sarcomas in immunocompetent mice, which did not respond to individual antibody-cytokine fusion proteins or by standard doxorubicin treatment...
July 17, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28713331/thyroid-stimulating-hormone-receptor-antibodies-in-pregnancy-clinical-relevance
#3
REVIEW
Ines Bucci, Cesidio Giuliani, Giorgio Napolitano
Graves' disease is the most common cause of thyrotoxicosis in women of childbearing age. Approximately 1% of pregnant women been treated before, or are being treated during pregnancy for Graves' hyperthyroidism. In pregnancy, as in not pregnant state, thyroid-stimulating hormone (TSH) receptor (TSHR) antibodies (TRAbs) are the pathogenetic hallmark of Graves' disease. TRAbs are heterogeneous for molecular and functional properties and are subdivided into activating (TSAbs), blocking (TBAbs), or neutral (N-TRAbs) depending on their effect on TSHR...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28703115/incidental-diagnosis-of-the-tall-cell-variant-of-the-papillary-microcarcinoma-of-the-thyroid-gland-requires-completion-lymphadenectomy-case-report
#4
I Bartella, F Meyer, K Frauenschläger, K Reschke, Th Wallbaum, B Buth, C Bruns, C Chiapponi
Papillary thyroid carcinoma is the most common neoplasm of the thyroid gland which is usually associated with a very good prognosis. The aim of this case report is to present the disease course of a rare tumor of the thyroid gland, which is worthwhile due to its extraordinary appearance and specific management. A 46-year-old patient presented with a pronounced right-sided, but bilateral, multinodular goiter, with a volume of approximately 80 mL, as assessed on ultrasonography. Surgical removal was indicated as scintigraphy showed a 4-cm cold nodule that almost completely took up the right thyroid lobe...
June 30, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28702266/papillary-thyroid-carcinoma-ectopic-malignancy-versus-metastatic-disease
#5
Yanery's Agosto-Vargas, Madeleine Gutiérrez, José Hernán Martínez, Michelle Mangual-Garcia, Coromoto Palermo, Sharon Vélez-Maymi, Luis Hernández-Vázquez, Samayra Miranda-Rodríguez, Alex González-Bossolo, Ernesto Solá-Sánchez, Marianne Hernández-Negrón
Papillary thyroid carcinoma frequently metastasizes to regional lymph nodes. However, cervical lymph node metastasis as a sole manifestation of occult papillary thyroid carcinoma is rarely observed. Ectopic thyroid is an uncommon condition defined as the presence of thyroid tissue at a site other than pretracheal area. Approximately 1-3% of all ectopic thyroid tissue is located in the lateral neck. This entity may represent the only functional thyroid tissue in the body. Malignant transformation of ectopic thyroid is uncommon; but even rarer is the development of papillary carcinoma on it...
2017: Case Reports in Endocrinology
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
#6
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/28697989/sialoendoscopy-combined-with-an-internal-stent-and-postoperative-massage-as-a-comprehensive-treatment-of-delayed-i-131-induced-parotitis
#7
Q Meng, W Fang, X Long, M Deng, J Li, J Ke
A common complication of radioiodine (I(131)) treatment of thyroid cancer is parotitis. Here we describe our clinical experience in treating delayed I(131)-induced parotitis using sialoendoscopy together with an internal stent and postoperative massage. In this retrospective cohort study we reviewed 32 patients who were treated in that way under general anaesthesia between July 2010 and March 2015. Their age, sex, and the time to development of the parotitis were collected from the hospital's database. All patients were evaluated using a visual analogue scale (VAS), sialography, and computed tomography preoperatively...
July 8, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28685518/poorly-differentiated-thyroid-carcinoma-10-year-experience-in-a-southeast-asian-population
#8
Marc Gregory Yu, Jonathan Rivera, Cecilia Jimeno
BACKGROUND: No previous studies have been published on poorly differentiated thyroid carcinoma (PDTC) in Southeast Asia. METHODS: We included all adult PDTC patients diagnosed using the Turin criteria at the Philippine General Hospital from 2006 to 2015. The data collected included demographics, clinical presentation, histopathology, treatment, and outcomes. Tests of association were employed to compare these data with foreign studies on PDTC, as well as with local studies on well differentiated thyroid carcinoma (WDTC) and anaplastic thyroid carcinoma (ATC)...
June 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28670535/effect-of-antithyroid-therapies-on-bone-and-body-composition-a-prospective-randomized-clinical-study-comparing-antithyroid-drugs-with-radioiodine-therapy
#9
Shekhar Kansara, Narendra Kotwal, K V S Hari Kumar, Yashpal Singh, Vimal Upreti, Amit Nachankar
BACKGROUND: Thyrotoxicosis is associated with loss of body weight and bone mineral content (BMC). Antithyroid drugs (ATD) and radioiodine therapy (RIT) are the common options for the management of thyrotoxicosis. We evaluated the effect of ATD and RIT on BMC and body composition. MATERIALS AND METHODS: In this prospective study, we randomized 60 patients of thyrotoxicosis (20-50 years, treatment naïve, males) to receive either ATD (Group 1) using carbimazole or RIT (Group 2)...
July 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28665259/defining-radioiodine-refractory-differentiated-thyroid-cancer-efficacy-and-safety-of-lenvatinib-by-radioiodine-refractory-criteria-in-the-select-trial
#10
Naomi Kiyota, Bruce Robinson, Manisha H Shah, Ana O Hoff, Matthew Taylor, Di Li, Corina E Dutcus, Eun Kyung Lee, Sung-Bae Kim, Makoto Tahara
BACKGROUND: While there is a clear consensus for defining radioiodine-refractory differentiated thyroid cancer (RR-DTC), it is unknown whether these criteria are equally valid for determining when radioiodine (RAI) therapy is no longer beneficial and systemic treatment should be considered. Lenvatinib, a multikinase inhibitor, significantly prolonged progression-free survival (PFS) vs placebo in a phase 3 trial in RR-DTC (SELECT; hazard ratio [HR]: 0.21; 99% CI: 0.14-0.31; P<0.001)...
June 30, 2017: Thyroid: Official Journal of the American Thyroid Association
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
#11
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
https://www.readbyqxmd.com/read/28661007/serum-thyroxine-and-thyroid-stimulating-hormone-concentration-in-hyperthyroid-cats-that-develop-azotaemia-after-radioiodine-therapy
#12
M E Peterson, R Nichols, M Rishniw
OBJECTIVES: The objectives of this study were to determine which serum thyroid hormone test best identifies iatrogenic hypothyroidism in cats that develop azotaemia after radioiodine treatment and to determine which thyroid test best differentiates these azotaemic, hypothyroid cats from azotaemic, radioiodine-treated euthyroid cats, as well as from azotaemic cats with chronic kidney disease and no history of thyroid disease. MATERIALS AND METHODS: A total of 42 hyperthyroid cats that developed azotaemia (serum creatinine ê220 µmol/L) after radioiodine treatment had serum concentrations of thyroxine and free thyroxine by dialysis and thyroid--stimulating hormone measured at 3, 6 and 12 months...
June 29, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28653452/cutaneous-implantation-of-papillary-thyroid-carcinoma-secondary-to-percutaneous-ethanol-injection-into-nodal-metastasis
#13
Enrique Rodríguez-Lomba, Irene Molina-López, Verónica Parra-Blanco, Ricardo Suárez-Fernández, Cristina Ciudad-Blanco
Papillary thyroid carcinoma is the most common malignant neoplasm of the thyroid gland, accounting for 50-89% of the cases. It usually presents as a well-differentiated, slow-growing, malignant disease with common spread to locoregional lymph nodes and high recurrence rates. In patients with limited cervical lymph node metastases who are not candidates for surgery or radioiodine therapy, percutaneous ethanol injection (PEI) guided by ultrasonography has proven to be a valuable treatment alternative. This article is protected by copyright...
June 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28646422/how-to-avoid-and-to-manage-post-operative-complications-in-thyroid-surgery
#14
REVIEW
Matteo Angelo Cannizzaro, Salvatore Lo Bianco, Maria Carolina Picardo, Daniele Provenzano, Antonino Buffone
Complications of thyroidectomy are hypoparathyroidism, recurrent laryngeal nerve palsy, and hemorrhage. These complications have a low incidence. Hypoparathyroidism is the most frequent complication of total thyroidectomy. Its incidence varies between 0.5 and 65%. This complication is also visible after reoperation for recurrent disease and in patients previously treated with radioiodine. Damage to the recurrent laryngeal nerve can be temporary or permanent, unilateral or bilateral. The bilateral lesion, associated with severe episodes of breathlessness, is a rare complication (0...
June 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28635633/new-insights-in-thyroid-cancer-and-p53-family-proteins
#15
REVIEW
Livia Manzella, Stefania Stella, Maria Stella Pennisi, Elena Tirrò, Michele Massimino, Chiara Romano, Adriana Puma, Martina Tavarelli, Paolo Vigneri
Thyroid cancers are common endocrine malignancies that comprise tumors with different clinical and histological features. Indeed, papillary and follicular thyroid cancers are slow-growing, well-differentiated tumors, whereas anaplastic thyroid cancers are undifferentiated neoplasias that behave much more aggressively. Well-differentiated thyroid carcinomas are efficiently cured by surgery and radioiodine, unlike undifferentiated tumors that fail to uptake radioactive iodine and are usually resistant to chemotherapy...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28631629/poorly-differentiated-thyroid-carcinoma-a-hospital-based-clinicopathological-study-and-review-of-literature
#16
Thin Thin Win, Nor Hayati Othman, Irfan Mohamad
INTRODUCTION: Poorly differentiated thyroid carcinoma (PDTC) is a rare aggressive malignancy of thyroid follicular cells and has unique features in morphology and behavior. This study was aimed to describe the experience of a tertiary medical center with PDTC within a 10-year period. MATERIALS AND METHODS: This is a descriptive retrospective study of eight cases of PDTC among 418 various thyroid carcinomas. All cases of PDTC were retrieved along with the clinicopathological information...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28629126/differentiated-thyroid-cancer-treatment-state-of-the-art
#17
REVIEW
Benedikt Schmidbauer, Karin Menhart, Dirk Hellwig, Jirka Grosse
Differentiated thyroid cancer (DTC) is a rare malignant disease, although its incidence has increased over the last few decades. It derives from follicular thyroid cells. Generally speaking, the prognosis is excellent. If treatment according to the current guidelines is given, cases of recurrence or persistence are rare. DTC requires special expertise by the treating physician. In recent years, new therapeutic options for these patients have become available. For this article we performed a systematic literature review with special focus on the guidelines of the American Thyroid Association, the European Association of Nuclear Medicine, and the German Society of Nuclear Medicine...
June 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28615984/papillary-thyroid-microcarcinoma-arising-within-a-mature-ovarian-teratoma-case-report-and-review-of-the-literature
#18
Maria M Pineyro, Jimena Pereda, Pamela Schou, Karina de Los Santos, Soledad de la Peña, Benedicta Caserta, Raul Pisabarro
Mature cystic teratoma is the most common kind of ovarian germ cell tumor. Malignant transformation is uncommon, with thyroid cancer rarely found. Papillary thyroid microcarcinoma has rarely been described as associated with ovarian teratomas. We report a case of a 34-year-old woman who presented with abdominal pain and an ovarian mass. After surgery, the patient was diagnosed with a follicular variant papillary thyroid microcarcinoma that arose within a mature cystic ovarian teratoma. Based on the small size of the primary lesion and patient preferences, no further treatment was performed...
2017: Clinical Medicine Insights. Endocrinology and Diabetes
https://www.readbyqxmd.com/read/28614983/second-primary-cancer-in-patients-with-differentiated-thyroid-cancer-does-radioiodine-play-a-role
#19
Margarida Silva-Vieira, Sofia Carrilho Vaz, Susana Esteves, Teresa C Ferreira, Edward Limbert, Lucília Salgado, Valeriano Leite
BACKGROUND: Well-differentiated thyroid cancer (WDTC) is the most common endocrine neoplasia, and its incidence is rising. Studies have reported an increased risk of second primary cancer (SPC) in WDTC survivors, but its relationship with radioiodine treatment (RAIT) and other risk factors remains controversial. This study evaluated whether RAIT is an independent risk factor for SPC in WDTC patients. METHODS: This was a retrospective single-center study. A total of 2031 patients with WDTC diagnosed between 1998 and 2009, treated and followed at the authors' tertiary cancer center, were included...
July 14, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28613956/effect-of-age-on-the-efficacy-and-safety-of-lenvatinib-in-radioiodine-refractory-differentiated-thyroid-cancer-in-the-phase-iii-select-trial
#20
Marcia S Brose, Francis P Worden, Kate L Newbold, Matthew Guo, Arti Hurria
Purpose In the Study of (E7080) Lenvatinib in Differentiated Cancer of the Thyroid (SELECT), lenvatinib significantly prolonged progression-free survival (PFS) versus placebo in patients with radioiodine-refractory differentiated thyroid cancer (RR-DTC). This prespecified subanalysis investigated the effect of age on the efficacy and safety of lenvatinib. Patients and Methods This randomized, double-blind, phase III study enrolled patients with histologically confirmed RR-DTC stratified by age (≤ 65 or > 65 years)...
June 14, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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