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Randomized prospective study comparing a single radioiodine dose and a single laser therapy session in autonomously
Helle Døssing1, Finn Noe Bennedbaek, Steen Joop Bonnema
1Department of Oto-Rhino-Laryngology and Neck Surgery, Odense University Hospital, DK-5000 Odense C, Denmark. helle.doessing@ouh.fyns-amt.dk
European Journal of Endocrinology
|July 5, 2007
Summary
Interstitial laser photocoagulation (ILP) and radioiodine (131I) therapy effectively reduce hot thyroid nodule volume. However, radioiodine is more effective at normalizing thyroid function, with ILP showing no impact on surrounding thyroid tissue.
Area of Science:
- Endocrinology
- Nuclear Medicine
- Minimally Invasive Therapies
Background:
- Hot thyroid nodules can cause subclinical or mild hyperthyroidism.
- Standard treatment options include radioiodine therapy.
- Newer minimally invasive techniques are being explored.
Purpose of the Study:
- To compare the efficacy of interstitial laser photocoagulation (ILP) versus radioiodine (131I) in treating hot thyroid nodules.
- To assess the impact on nodule volume, thyroid function, and surrounding thyroid tissue.
Main Methods:
- A randomized study of 30 outpatients with solitary hot nodules.
- Patients received either one ILP session or one dose of 131I.
- Thyroid function and nodule volume were monitored for 6 months.
Main Results:
- Both ILP and 131I significantly reduced nodule volume by approximately 45% within 6 months.
- 131I normalized serum TSH in all patients, while ILP normalized it in 7 out of 14.
- 131I reduced total thyroid volume, whereas ILP did not affect extranodular thyroid volume.
Conclusions:
- ILP and 131I are both effective in reducing hot thyroid nodule size.
- 131I therapy is superior for achieving euthyroidism in this patient group.
- ILP offers a potential non-surgical alternative with the advantage of preserving extranodular thyroid volume.