{"title":"Radioiodine refractory differentiated thyroid cancer.","authors":"Maria Boudina","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Differentiated thyroid cancer is composed of papillary (85%), follicular (13%) with their subtypes and anaplastic (<2%) thyroid cancer, derived from follicular dedifferentiation. In the majority of cases (85%), treatment is succeeded with thyroxine suppression and radioiodine ablation. However, there is a small percentage of patients presenting with local recurrence or metastases during follow up. In such cases, reoperation and radioiodine treatment are the treatments of choice. 10% of the aforementioned patients appear resistance to radioiodine treatment and they are considered refractory to iodide. As refractory to radioiodine is defined a patient who fulfills one of the following criteria: 1. Negative RAI Uptake 2. RAI uptake in some but not all metastases 3. Disease progression 6-12 months after Radioiodine ablation 4. Disease progression after radioiodine treatment more of than 600mCi.</p>","PeriodicalId":12871,"journal":{"name":"Hellenic journal of nuclear medicine","volume":"26 Suppl ","pages":"65-68"},"PeriodicalIF":0.9000,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Hellenic journal of nuclear medicine","FirstCategoryId":"3","ListUrlMain":"","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING","Score":null,"Total":0}
引用次数: 0
Abstract
Differentiated thyroid cancer is composed of papillary (85%), follicular (13%) with their subtypes and anaplastic (<2%) thyroid cancer, derived from follicular dedifferentiation. In the majority of cases (85%), treatment is succeeded with thyroxine suppression and radioiodine ablation. However, there is a small percentage of patients presenting with local recurrence or metastases during follow up. In such cases, reoperation and radioiodine treatment are the treatments of choice. 10% of the aforementioned patients appear resistance to radioiodine treatment and they are considered refractory to iodide. As refractory to radioiodine is defined a patient who fulfills one of the following criteria: 1. Negative RAI Uptake 2. RAI uptake in some but not all metastases 3. Disease progression 6-12 months after Radioiodine ablation 4. Disease progression after radioiodine treatment more of than 600mCi.
期刊介绍：
The Hellenic Journal of Nuclear Medicine published by the Hellenic Society of
Nuclear Medicine in Thessaloniki, aims to contribute to research, to education and
cover the scientific and professional interests of physicians, in the field of nuclear
medicine and in medicine in general. The journal may publish papers of nuclear
medicine and also papers that refer to related subjects as dosimetry, computer science,
targeting of gene expression, radioimmunoassay, radiation protection, biology, cell
trafficking, related historical brief reviews and other related subjects. Original papers
are preferred. The journal may after special agreement publish supplements covering
important subjects, dully reviewed and subscripted separately.
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