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Article Abstract
Aim: This study aimed to investigate the technical procedure, safety, and clinical value of the transosseous approach for computed tomography (CT)-guided radioactive 125-iodine (I) seed implantation for the treatment of thoracic and abdominal lymph node metastases.
Subjects And Methods: This was a retrospective study that Nine lymph node metastases in nine patients were treated in our hospital between January 2010 and August 2018. Under CT guidance, at least one puncture path was made through the transosseous approach. The seeds were planted according to the TPS. CT/MRI scans were performed every 2 months after the treatment to evaluate local therapeutic efficacy according to the Response Evaluation Criteria in Solid Tumors.
Results: The transosseous approach was successfully established in all patients. The median follow-up time was 11 months (6-36 months). At 2, 4, 6, 8, 10 and 12 months after operation, the objective effective rate and clinical benefit rate were 66.67%, 77.78%, 77.78%, 71.43%, 66.67% and 50.00%; and 88.89%, 88.89%, 88.89%, 71.43%, 66.67% and 50.00%, respectively. The survival rate of the patients at 6, 12, 18, 24, 30 and 36 months after operation was 53.00%, 26.00%, 26.00%, 13.00%, 13.00% and 13.00%, respectively.
Conclusions: The transosseous approach for CT-guided radioactive I seed implantation was safe, effective, and minimally invasive for the treatment of thoracic and abdominal lymph node metastases.
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