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Year : 2019  |  Volume : 15  |  Issue : 4  |  Page : 801-806

Preliminary investigation of computed tomography-guided iodine-125 seed implantation treatment efficacy in patients with iliac lymph nodes metastases

Department of Oncology, The Hebei General Hospital, Shijiazhuang, China

Correspondence Address:
Juan Wang
Department of Oncology, The Hebei General Hospital, Shijiazhuang 050051
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcrt.JCRT_570_17

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Objectives: The objective of this study is to assess the technical feasibility, safety, and efficacy of computed tomography (CT)-guided iodine-125 (125 I) seed implantation to treat malignant iliac lymph node metastases. Materials and Methods: In this retrospective study, 11 patients with a total of 11 iliac lymph node metastases were implanted with 125 I seeds (14.8–25.9 MBq) under CT-guidance, both the seed quantity and distribution were measured with a computerized treatment planning system. Treatment effects and adverse events were evaluated. Results: 125 I seeds were successfully implanted in all patients, and the minimum peripheral dose of seeds was ranged from 30 to 110 Gy (median of 75 Gy). The median follow-up period was 11 months (ranged 3–39 months). Follow-up at 2 months after implantation revealed partial response in eight patients, stable disease in two patients, and progressive disease in one patient. The overall response rate and the local tumor control rate at 2 months were 72.73% and 90.91%, respectively. The rates of refractory pain and leg edema relief were 100% and 50% within 2 weeks after treatment, respectively. Survival rate at 1 year was 45.45%. No peri-interventional mortality or major complication was observed. Conclusion: 125 I seed implantation was a safe and effective technique for minimally invasive treatment for iliac lymph node malignant metastasis.

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