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Published on: January 29, 2019
Radioiodine: the classic theranostic agent
1Division of Nuclear Medicine, Department of Radiology, University of Cincinnati Medical Center, Cincinnati, OH 45219, USA. edward.silberstein@uchealth.com
Seminars in Nuclear Medicine
|April 6, 2012
Summary
Radioiodine, the first theranostic agent, has evolved significantly for thyroid disease diagnosis and treatment. Advances in radioiodine isotopes and imaging technology have improved thyroid cancer management, with ongoing research for predictable cures.
Area of Science:
- Nuclear Medicine
- Endocrinology
- Radiochemistry
Background:
- Radioiodine is the first theranostic agent, with iodine's role in thyroid health discovered over millennia.
- The development of radioiodine isotopes (e.g., 131I) revolutionized thyroid disease treatment starting in the mid-20th century.
- Early imaging technologies like rectilinear scanners and gamma cameras enabled diagnostic applications of radioiodine.
Purpose of the Study:
- To provide a historical overview of radioiodine's evolution as a theranostic agent.
- To highlight key milestones in radioiodine development and application for thyroid disorders.
- To discuss current and future potential of radioiodine isotopes in thyroid cancer management.
Main Methods:
- Historical review of scientific literature and technological advancements.
- Analysis of the development and application of various radioiodine isotopes (128I, 130I, 131I, 125I, 132I, 123I, 124I).
- Discussion of imaging modalities (rectilinear scanner, gamma camera, PET/CT) and their impact on radioiodine diagnostics.
Main Results:
- Radioiodine (I) remains the standard for benign thyroid disease diagnosis.
- 123I and 131I are crucial for staging and detecting functioning thyroid cancer.
- 124I offers potential for improved PET/CT imaging and dosimetry in thyroid cancer treatment.
Conclusions:
- Significant progress has been made in radioiodine theranostics for thyroid conditions.
- Further research is needed to overcome dosimetry challenges and optimize radioiodine therapy for predictable thyroid cancer cures.
- Ongoing advancements in radioiodine isotopes and imaging technologies promise enhanced patient outcomes.
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