OBJECTIVE: To determine the value of repeat liver resection for recurrent colorectal metastases to the liver. SUMMARY BACKGROUND DATA: Liver resection represents the best and a potentially curative treatment for metastatic colorectal cancer to the liver. After resection, however, most patients develop recurrent disease, often isolated to the liver. METHODS: This study reports the combined experience of repeat liver resection for recurrent liver metastases at an American and a European surgical oncology center. Patients were identified from prospective databases and records were retrospectively reviewed. A total of 126 patients (American n = 96, 1986-2001; European n = 30, 1985-1999) underwent repeat liver resection. Patient characteristics were similar in the two institutions. Median follow-up from first liver resection was 88 and 105 months, respectively. RESULTS: Operations performed included 90 minor resections and 36 resections of a lobe or more. The 1-, 3-, and 5-year survival rates were 86%, 51%, and 34%. There were 19 actual 5-year survivors to date. By multivariate regression analysis (proportional hazard model), more than one lesion and tumor size larger than 5 cm were independent prognostic indicators of reduced survival. The interval between the first and second liver resection was not predictive of outcome. CONCLUSIONS: Repeat liver resection for colorectal liver metastases is safe. Patients with a low tumor load are the best candidates for a repeat resection. In well-selected patients, further resection of the liver can provide prolonged survival after recurrence of colorectal liver metastases.
OBJECTIVE: To determine the value of repeat liver resection for recurrent colorectal metastases to the liver. SUMMARY BACKGROUND DATA: Liver resection represents the best and a potentially curative treatment for metastatic colorectal cancer to the liver. After resection, however, most patients develop recurrent disease, often isolated to the liver. METHODS: This study reports the combined experience of repeat liver resection for recurrent liver metastases at an American and a European surgical oncology center. Patients were identified from prospective databases and records were retrospectively reviewed. A total of 126 patients (American n = 96, 1986-2001; European n = 30, 1985-1999) underwent repeat liver resection. Patient characteristics were similar in the two institutions. Median follow-up from first liver resection was 88 and 105 months, respectively. RESULTS: Operations performed included 90 minor resections and 36 resections of a lobe or more. The 1-, 3-, and 5-year survival rates were 86%, 51%, and 34%. There were 19 actual 5-year survivors to date. By multivariate regression analysis (proportional hazard model), more than one lesion and tumor size larger than 5 cm were independent prognostic indicators of reduced survival. The interval between the first and second liver resection was not predictive of outcome. CONCLUSIONS: Repeat liver resection for colorectal liver metastases is safe. Patients with a low tumor load are the best candidates for a repeat resection. In well-selected patients, further resection of the liver can provide prolonged survival after recurrence of colorectal liver metastases.
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