Long‐term outcomes after hepatic resection for colorectal metastases in young patients

Abstract

BACKGROUND: Long-term outcomes after hepatectomy for colorectal liver metastases in relatively young patients are still unknown. The aim of the current study was to evaluate long-term outcomes in patients 40 years old, and to compare them with patients >40 years old. METHODS: All consecutive patients who underwent hepatectomy for colorectal liver metastases at the authors' hospital between 1990 and 2006 were included in the study. Patients 40 years old were compared with all other patients treated during the same period. Overall survival (OS), progressionfree survival (PFS), and disease-free survival (DFS) rates were determined, and prognostic factors were identified. RESULTS: In total, 806 patients underwent hepatectomy for colorectal liver metastases, of whom 56 (7%) were aged 40 years. Among the young patients, more colorectal liver metastases were present at diagnosis, and they were more often diagnosed synchronous with the primary tumor. Five-year OS was 33% in young patients, compared with 51% in older patients (P ¼ .12). Five-year PFS was 2% in young patients, compared with 16% in older patients (P < .001). DFS rates were comparable between the groups (17% vs 23%, P ¼ .10). At multivariate analysis, age 40 years was identified as an independent predictor of poor PFS. CONCLUSIONS: In young patients, colorectal liver metastases seem to be more aggressive, with a trend toward lower OS, more disease recurrences, and a significantly shorter PFS after hepatectomy. However, DFS rates were comparable between young and older patients, owing to an aggressive multimodality treatment approach, consisting of chemotherapy and repeat surgery. Therefore, physicians should recognize the poor outcome of colorectal liver metastases in young patients and should consider an aggressive approach to diagnosis and early treatment. Cancer 2010;116:647-58.

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