Background/Aims: Liver metastases are a very common event. Multiple choices of therapies can be used. The aim of this paper is to analyze results and methods of a single institution series of 228 consecutive patients with colorectal. liver metastases. Methodology: 228 consecutive patients underwent hepatic resection for colorectal liver metastases. From different periods intraoperative ultrasound, intraoperative histological examination, locoregional intra-arterial chemotherapy, and radiofrequency thermal ablation were introduced. Results: Operative mortality was 0.9%. Mean follow-up was 29.5 months. Overall survival was 16% and 9% at 5 and 10 years. 5-year survival was 23% and 6% for patients with single and multiple metastases respectively. For patients with extrahepatic metastatic single lesion 5-year survival was 15%. From the start of intraoperative ultrasound use, 5-year survival was 9% and 27% for patients with multiple and single metastases. Five-year survival for re-resected patients was 13%. Overall survival at 1 and 3 years was 90% and 58% in patients treated with HAI and systemic chemotherapy (disease-free 70% and 47%) and 94% and 12% in patients treated with systemic chemotherapy alone after radical resection (disease-free 53% and 0%). Conclusions: Aggressive approach, re-resections, intraoperative ultrasound staging, intra-arterial chemotherapy and radiofrequency thermal ablation are justified in multimodal therapeutic strategy of colorectal metastases and seem to improve patients' survival.
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