期刊
EUROPEAN RADIOLOGY
卷 22, 期 4, 页码 930-937出版社
SPRINGER
DOI: 10.1007/s00330-011-2314-0
关键词
Liver tumor; Stereotaxy; Outcome; Navigation; Ablation
To evaluate the outcome of patients with colorectal liver metastasis (CRLM) treated with stereotactic radiofrequency ablation (SRFA). Following IRB approval, a retrospective evaluation of 98 SRFA treatment sessions of 189 CRLMs in 63 consecutive patients was performed. Local recurrence rate (LR), overall survival (OS) and disease-free survival (DFS) were analysed. LR was identified in 16% of the tumours (31/189), with no significant differences (P = 0.635) when comparing tumour sizes < 3 cm (17.7%), 3-5 cm (11.1%) and > 5 cm (17.4%). The median OS from SRFA treatment was 33.2 months after a mean follow-up of 25 months (range 2-66); the corresponding 1-, 3- and 5- year survival rates were 87%, 44% and 27%. The median OS was significantly different when comparing unresectable and resectable patients (27 vs. 58 months, P = 0.002) with OS rates of 92%, 66% and 48% at 1, 3 and 5 years in resectable patients. Tumour size did not affect OS and DFS. Due to the favourable outcome, SRFA challenges resection as first-line local treatment of patients with CRLM. As long as randomised studies are pending, we recommend entering an individual decision-making process with every patient. aEuro cent Large colorectal liver metastases can be effectively treated by stereotactic radiofrequency ablation (SRFA). aEuro cent Using SRFA the overall survival is not affected by tumour size. aEuro cent SRFA achieves similar overall and disease-free survival rates as surgical resection. aEuro cent SRFA challenges surgical resection as the first-line treatment for colorectal liver metastases.
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