Liver resection for sarcoma metastases: A systematic review and experience from two European centres.

Fabio Tirotta, James Hodson, Alessandro Parente, Sandro Pasquali, Robert Sutcliffe, Anant Desai, Paolo Muiesan, Samuel J. Ford, Marco Fiore, Alessandro Gronchi, L. Max Almond

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INTRODUCTION: Studies reporting outcomes of liver resection for sarcoma metastases (LRSM) typically include gastrointestinal stromal tumours (GIST), or pooled analyses of "non-colorectal liver metastases", which do not reflect the subgroup of patients with sarcomatous liver metastases. This study aimed to perform a systematic review to evaluate oncological and surgical outcomes in patients undergoing LRSM, and to report new data from two tertiary institutions. METHODS: MEDLINE and the Cochrane Library were searched for studies reporting oncological and surgical outcomes after LRSM, following PRISMA guidelines. Studies reporting liver resection for GIST were excluded. The resulting studies were pooled, with data from two European centres. RESULTS: Six studies of LSRM were included, comprising 212 patients from previously reported series and 24 patients from ours, with median follow-up times of 18-53 months. Postoperative mortality rates ranged from 0 to 9 and the pooled overall survival (OS) was 8995 83-96, and 3195 14-47 at one and five years, respectively (median: 36 months). The presence of synchronous extra-hepatic metastases was found to be a significant risk factor for shorter OS in two cohorts, with hazard ratios of 3.7 (p textless 0.001) and 9.1 (p = 0.016), respectively. The largest reported series also found larger metastases (≥100 mm), lack of response to chemotherapy and a shorter disease-free interval to be associated with significantly shorter OS after LSRM. CONCLUSIONS: Patients undergoing LRSM with negative prognostic factors such as the presence of extra-hepatic metastases are unlikely to benefit from surgery. Acceptable medium- and long-term survival may be achievable in highly selected patients.
Original languageEnglish
JournalEuropean Journal of Surgical Oncology
Issue number10 Pt A
Publication statusPublished - Oct 1 2020


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