• Masafumi Katayama, Hiroshi Nakano, Shinya Kishi, Shinjiro Kobayashi, Satoshi Koizumi, Tetsu Fukunaga, Nobuyoshi Miyajima, and Takehito Otsubo.
• Hepato Gastroenterol. 2013 Sep 1;60(126):1420-5.

Background/AimsIn patients with colorectal cancer liver metastases (CRCLM), chemotherapy-associated hepatotoxicity (CAH) has been shown to be associated with splenomegaly. The aim of the present study was to investigate whether a higher splenic volume increase (SVI) after preoperative chemotherapy was associated with a worse long-term outcome after hepatectomy in patients with CRCLM.MethodologyBetween 2007 and 2012, there were 36 patients who received preoperative chemotherapy based on a diagnosis of initially non-optimally resectable synchronous CRCLM. The splenic volume was measured by CT-volumetry before preoperative chemotherapy and 12 weeks after the start of the chemotherapy. Long-term outcome was analyzed in these patients.ResultsThe overall survival was significantly shorter in the SVI ≥30% group than in the SVI <30% group (3-year survival = 52% vs. 28%, p <0.05). The disease-free survival was also significantly shorter in the SVI ≥30% group than in the SVI <30% group (Median = 11 vs. 6 months, p <0.05). The survival after recurrence was significantly shorter in the SVI ≥30% group than in the SVI <30% group (Median = 12.0 vs. 18 months, p<0.05).ConclusionsIn patients with non-optimally resectable CRCLM, the SVI during the first 12 weeks of preoperative chemotherapy may be a significant predictor of the long-term survival after hepatectomy.

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