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Neo-adjuvant therapy improves resectability rates for colorectal liver metastases
A Shankar1, P Leonard, A J Renaut
1Department of Surgery, Royal Free and University College Medical School, University College London, Charles Bell House, 67-73 Riding House Street, London W1P 7LD, UK.
Purpose:
Liver resection improves survival in selected patients with colorectal liver metastases. However, the majority of patients with colorectal liver metastases have inoperable disease at presentation. Neo-adjuvant therapy (systemic or regional chemotherapy and interstitial laser therapy) used singly or in combination may convert a selected group of patients with irresectable liver metastases into an operable state.
Patients And Methods:
We report a series of patients with initially inoperable multiple colorectal liver metastases who became operable after neo-adjuvant therapy. Operability was defined as unilateral disease limited to the liver. Twelve patients (7 female, 5 male, median age 57 years, range 38-69 years) with multiple inoperable colorectal liver metastases (8 synchronous, 4 metachronous) were initially treated with systemic chemotherapy (n = 7), hepatic arterial chemotherapy (n = 2) and chemotherapy plus interstitial laser therapy (n = 3).
Results:
In all cases, a significant response was achieved which enabled subsequent liver resection to be undertaken. There was only one postoperative complication (8%) and no peri-operative deaths. 3 patients were operated on within the last 12 months and are still alive. Of the remainder, 1 died within 1 year with recurrent disease. The remaining patients have a median survival of 2.5 years, range 1.39-4 years.
Conclusions:
These results are similar to those reported for patients undergoing resection for operable metastases without neo-adjuvant therapy. Aggressive multimodality treatment of colorectal liver metastases in specialised centres may improve the resectability rates and survival in a selected group of patients.