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. 2011 Feb;253(2):349-59.
doi: 10.1097/SLA.0b013e318207bf2c.

Concomitant extrahepatic disease in patients with colorectal liver metastases: when is there a place for surgery?

René Adam  1 , Robbert J de Haas, Dennis A Wicherts, Eric Vibert, Chadi Salloum, Daniel Azoulay, Denis Castaing
Affiliations

Concomitant extrahepatic disease in patients with colorectal liver metastases: when is there a place for surgery?

René Adam et al. Ann Surg. 2011 Feb.

Abstract

Objective: To evaluate the impact of the location of extrahepatic disease (EHD) on survival and to determine patient outcome in a consecutive series of patients with both intrahepatic and extrahepatic colorectal metastases treated by an oncosurgical approach, combining repeat surgery and chemotherapy.

Background: Although recognized as poor prognostic factor, concomitant EHD is no more considered an absolute contraindication to surgery in patients with colorectal liver metastases (CLM). However, the impact of the location of EHD on survival and the benefit in patient outcome is still diversely appreciated.

Methods: From 840 patients resected for CLM between 1990 and 2006, 186(22%) also had resectable EHD. Sequential surgery was routinely combined with perioperative chemotherapy. Survival was compared with that of patients without EHD, prognostic factors were identified, and a predictive model was designed to better select surgical candidates.

Results: Patients resected for CLM with concomitant EHD experienced a lower 5-year survival than those without EHD (28% vs 55%, P < 0.001). Five poor prognostic factors were identified at multivariate analysis: EHD-location other than lung metastases (5-year survival: 23% vs 33%, P = 0.02), EHD concomitant to CLM recurrence (14% vs 34%, P < 0.001), carcinoembryonic antigen level at least 10 ng/mL (16% vs 37%, P=0.02), at least 6 CLM(9% vs 32%, P = 0.02), and right colon cancer (P = 0.02). Five-year survival ranged from 64% (0 factors) to 0% (>3 factors). In the EHD group, patients with an EHD-recurrence experienced better outcomes when resected than those treated by chemotherapy alone (5-year survival: 38% vs 21%, P = 0.05).

Conclusion: Although sequential surgery is warranted for patients with 5 or less CLM with isolated lung metastases, low carcinoembryonic antigen levels,and no right colon primary tumor, it should be questioned in the presence of more than 3 of these prognostic factors.

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