期刊
ENDOCRINE METABOLIC & IMMUNE DISORDERS-DRUG TARGETS
卷 19, 期 7, 页码 1041-1045出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1871530319666190206123156
关键词
Thyroid; laser; thermal ablation; nodule; ultrasound; surgery
Objective: Laser Ablation (LA) is a therapeutic modality for reducing the volume of large benign thyroid nodules. This retrospective study was aimed at assessing the outcome of LA in patients with benign nonfunctioning thyroid nodules in a 5-years follow-up. Methods: Sixty-two patients (47 females; mean age 54.7 +/- 12 yr) with benign cold thyroid nodules underwent LA from July 2009 to March 2012. Nodule volume, thyroid function test, and ultrasound were monitored at baseline, and at 3, 6 and 12 months after the procedure, then annually. After dividing nodules in solid and spongiform, we evaluated unfavourable outcomes: 1) nodule's volume reduction <50%; 2) need for surgery; 3) need for additive LA session (due to nodule re-growth with persistence of cosmetic concern or compressive symptoms). Results: Baseline volume did not differ between solid and spongiform nodules as well as energy delivered and the number of needles used. Unfavourable outcomes occurred in 24 patients (38.7%). Nine-teen/24 (79.2%) patients who experienced unfavourable outcomes belonged to the solid nodules group (P<0.01). When considering only those who benefited from LA, the 5-years reduction was 59.7% for solid and 78.6% for spongiform nodules (P<0.05). One/6 patients who underwent surgery (solid nodules group) had a fmal diagnosis of Follicular Variant of Papillary Thyroid Cancer (FVPTC). Conclusion: Large solid nodules, unlike spongiform, submitted to LA are characterized by a long-term unfavourable outcome and entail a potential risk of false negative cytologic results.
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