The operation for liver metastases from colorectal cancer is increasing due to a progress of chemotherapy. On the other hand, the live damage induced by chemotherapy affects on post operative course. We studied histopathological liver injury on the patients who received preoperative chemotherapy. Between January 2004 and May 2009, forty seven patients underwent hepatectomy for colorectal liver metastases after systemic chemotherapy, and the remnant liver was histopathologically investigated about sinusoidal dilatation and non-alcoholic steatohepatitis. As a result, chemotherapy including irinotecan or oxaliplatin was significantly associated with sinusoidal dilatation, and female gender or higher body mass index was correlated with non-alcoholic steatohepatitis. These results should be taken into consideration before liver resection in patients who have received preoperative chemotherapy.
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