期刊
BMC CANCER
卷 21, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12885-021-08500-5
关键词
Differentiated thyroid carcinoma; Lymph node metastasis; Ultrasound; Iodine-125; Brachytherapy
类别
资金
- National Natural Science Foundation of China [81471681, 81771834]
The study demonstrated that ultrasound-guided I-125 seed implantation is safe and effective in treating RR-DTC, serving as an effective supplement for the comprehensive treatment of thyroid cancer.
BackgroundTreatment for radioiodine refractory differentiated thyroid carcinoma (RR-DTC) is challenging. The purpose of this study was to assess the efficacy and safety of ultrasound-guided implantation of radioactive I-125-seed in radioiodine refractory differentiated thyroid carcinoma.MethodsThirty-six cervical metastatic lymph nodes (CMLNs) diagnosed with RR-DTC from 18 patients were enrolled in this retrospective study. US and contrast-enhanced ultrasound (CEUS) examinations were performed before implantation. Follow-up comprised US, CEUS, thyroglobulin (Tg) level and routine hematology at 1-3, 6, 9 and 12months and every 6months thereafter. The volumes of the nodules were compared before implantation and at each follow-up point. The volume reduction rate (VRR) of nodules was also recorded.ResultsThe median volume of the nodules was 523mm(3) (148, 2010mm(3)) initially, which decreased significantly to 53mm(3) (0, 286mm(3)) (P<0.01) at the follow-up point of 24months with a median VRR as 95% (86,100%). During the follow-up period (the range was 24-50months), 25 (69%) nodules had VRR greater than 90%, of which 12 (33%) nodules had VVR100% with unclear structures and only I-125 seed images were visible in the US. At the last follow-up visit, the serum Tg level decreased from 57.0 (8.6, 114.8) ng/ml to 4.9 (0.7, 50.3) ng/ml, (P<0.01).ConclusionUS-guided I-125 seed implantation is safety and efficacy in treating RR- DTC. It could be an effective supplement for the comprehensive treatment of thyroid cancer.
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