• Br J Radiol · Jul 2013

    Percutaneous ablation of lymph node metastases using CT-guided high-dose-rate brachytherapy.

    • F Collettini, A C Schippers, D Schnapauff, T Denecke, B Hamm, H Riess, P Wust, and B Gebauer.
    • Department of Diagnostic and Interventional Radiology, Charité-Universitätsmedizin Berlin, Berlin, Germany. federico.collettini@charite.de
    • Br J Radiol. 2013 Jul 1; 86 (1027): 20130088.

    ObjectiveTo assess the technical feasibility, safety and clinical outcome of CT-guided high-dose-rate brachytherapy (CT-HDRBT) for achieving local tumour control (LTC) in isolated lymph node metastases.MethodsFrom January 2008 to December 2011, 10 patients (six males and four females) with isolated nodal metastases were treated with CT-HDRBT. Five lymph node metastases were para-aortic, three were at the liver hilum, one at the coeliac trunk and one was a left iliac nodal metastasis. The mean lesion diameter was 36.5 mm (range 12.0-67.0 mm). Patients were followed up by either contrast-enhanced CT or MRI 6 weeks and then every 3 months after the end of treatment. The primary end point was LTC. Secondary end points included primary technical effectiveness rate, adverse events and progression-free survival.ResultsThe first follow-up examination after 6 weeks revealed complete coverage of all nodal metastases treated. There was no peri-interventional mortality or major complications. The mean follow-up period was 13.2 months (range 4-20 months). 2 out of 10 patients (20%) showed local tumour progression 9 and 10 months after ablation. 5 out of 10 patients (50%) showed systemic tumour progression. The mean progression-free interval was 9.2 months (range 2-20 months).ConclusionCT-HDRBT is a safe and effective technique for minimally invasive ablation of nodal metastases.Advances In KnowledgeCT-HDRBT of lymph node metastases is feasible and safe. CT-HDRBT might be a viable therapeutic alternative to obtain LTC in selected patients with isolated lymph node metastases.

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