نتایج جستجو برای: رادیوایزوتوپ 131i

تعداد نتایج: 2179  

Journal: :asia oceania journal of nuclear medicine and biology 0
daiki kayano daiki kayano: department of nuclear medicine, kanazawa university hospital junichi taki department of nuclear medicine, kanazawa university hospital anri inaki department of nuclear medicine, kanazawa university hospital hiroshi wakabayashi department of nuclear medicine, kanazawa university hospital ayane nakamura department of nuclear medicine, kanazawa university hospital makoto fukuoka department of nuclear medicine, kanazawa university hospital

objective: the current study aimed to determine the efficacy of radioiodine-131 (131i) ablation therapy with thyroid hormone replacement one day before 131i administration in patients with well-differentiated thyroid cancer (dtc). methods: this retrospective study included 29 patients who underwent 131i therapies twice for dtc during 6-12 months.  since all the patients obviously had residual l...

Objective: The current study aimed to determine the efficacy of radioiodine-131 (131I) ablation therapy with thyroid hormone replacement one day before 131I administration in patients with well-differentiated thyroid cancer (DTC). Methods: This retrospective study included 29 patients who underwent 131I therapies twice for DTC during 6-12 months.  Since all the patients obviously had residual l...

2017
Haiyan Wang Weizhong Sheng

Herein, folic acid (FA) conjugated Poly(d,l-lactide-co-glycolide) (PLGA)-lipid composites (FA-PL) were developed as nanocarriers for the targeted delivery of insoluble anti-cancer drug paclitaxel (PTX), resulting FA-PLP nanoparticles. Furthermore, 131I, as a radioactive tracer, was used to label FA-PLP nanoparticles (FA-PLP-131I) to evaluate their cell uptake activity, in vivo blood circulation...

2014
Zhong-Ling Qiu Yan-Li Xue Quan-Yong Luo

Objective: The aim of this study was to explore the clinical characteristics of renal metastatic cancer, the methods for its detection by radioiodine (131I), and the response to 131I treatment in fourteen patients with renal metastases from differentiated thyroid carcinoma (DTC). Subjects and methods: DTC patients (n = 2,955) that received treatment with 131I were retrospectively analyzed. Scan...

ژورنال: :مجله دانشگاه علوم پزشکی بابل 0
کریم قاضی خانلوثانی، k ghazi khanlou sani, همدان، دانشگاه علوم پزشکی، گروه رادیولوژی، تلفن: 8282801-0811 مهدی مومن نژاد، m momennezhad, سیدرسول ذکوی، sr zakavi, سیامک سبزواری s sabzevari

سابقه و هدف: پرتوگیری پرسنل در بخشهای پزشکی هسته ای در حین وضعیت دهی به بیمار و همچنین آماده سازی دارو امری اجتناب ناپذیر است. استفاده از روپوشهای سربی(apron) نیز به دلیل ایجاد پرتوهای x اختصاصی سرب، در اثر برخورد پرتوهای گامای پرانرژی و ضریب جذب بالای این پرتوها در بدن مورد مناقشه است. این مطالعه تاثیر روپوشهای سربی معادل 5/0 میلیمتر سرب را در میزان پرتوگیری پرسنل در دو وضعیت شبیه سازی شده برا...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 1991
L Ramanna A Waxman G Braunstein

The role of thallium-201 (201TI) scintigraphy in the follow-up evaluation of differentiated thyroid carcinoma (DTC) is controversial. Desirable characteristics of 201TI scintigraphy including the potential for no thyroid hormone withdrawal, immediate imaging postinjection, and low radiation burden relative to iodine-131 (131I) suggests it is logistically superior to 131I scintigraphy. Fifty-two...

Journal: :Nuklearmedizin. Nuclear medicine 2009
F A Verburg R B T Verkooijen M P M Stokkel J W van Isselt

OBJECTIVE Dosimetry studies have shown that activities of 131I as small as 10-20 MBq may cause a stunning effect. A result of this stunning effect may be a lower success rate of the ablative 131I therapy for differentiated thyroid carcinoma (DTC). The aim of this study was to determine whether pre-therapeutic uptake measurement with 40 MBq 131I causes a lower success rate of ablation. DESIGN ...

Journal: :Bangladesh journal of nuclear medicine 2023

The conventional course of differentiated thyroid cancer (DTC) treatment requires surgical resection followed by radioactive iodine (131I) therapy (RAIT). Patients are advised to drink plenty water, as 131I gets eliminated through the kidneys and burden extra radiation is reduced. Treating a case DTC with chronic kidney disease (CKD) RAIT challenging. As result, when planning hemodialysis in pa...

2013
Dixon TS. Ma Colin B. Styles R. Wall

Background: Anti-thyroid drugs (ATD) are routinely used in Australian practice as first-line therapy for Graves’ hyperthyroidism (GH) prior to 131I (radioiodine) treatment. There is concern that patients who do not receive ATD pre-treatment will develop uncontrolled hyperthyroidism before and after 131I therapy and that 131I therapy without ATD pre-treatment may not be as efficacious as with AT...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده علوم پایه 1391

اخیرا مشتقات پورفیرین توجه زیادی را به دلیل جذب بالای تومور، سمیت اندک و دفع سریع به عنوان رادیودارو، به صورت ترکیب نشاندار به خود جلب کرده اند. در این کار، نشاندارسازی ترکیب مزو- تتراکیس (پنتافلوئوروفنیل) به وسیله 131i رادیواکتیو را گزارش شد. ارزیابی بیولوژیکی ترکیب 131i-tfpp در موش مبتلا به تومور فیبروسارکوما، برای بررسی توانایی ترکیب به عنوان عامل تصویربرداری مطالعه شد. 131i-tfpp از طریق تشک...

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