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KMID : 0356720040200040211
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Journal of the Korean Society of Coloproctology
2004 Volume.20 No. 4 p.211 ~ p.217
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Clinicopathologic Features of Colorectal Cancer with Liver Metastases
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Choi Sun-Keun
Jeon Yong-Sun
Bae Sun-Young
Kwak Min-Keun
Heo Yoon-Seok
Lee Kun-Young
Kim Sei-Joong
Cho Young-Up
Ahn Seung-Ick
Hong Kee-Chun
Shin Suk-Hwan
Kim Kyung-Rae
Woo Ze-Hong
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Abstract
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Purpose: The aim of this study was to clarify the clinicopathologic features in colorectal cancer with liver metastases and to evaluate their clinical significance.
Methods: From August 1996 to April 2002, 545 patients, who underwent radical surgery for primary colorectal cancers, were analyzed retrospectively.
Results: Colorectal cancers with and without synchronous liver metastases at the time of the surgery were 36 and 509 cases, respectively. Of the 509 cases without metastases, 34 cases had metachronous liver metastases by April 2002, but the others did not. Serosal, vascular, perineural, and lymph node invasions, as well as increased preoperative CEA levels, were more frequently observed in those with synchronous liver metastases than it was in those without metastases (P＜0.05). According to multivariate analyses, lymph node invasion was statistically significant as an independent variable in those with synchronous metastases (P=0.009). Serosal, vascular, and lymph node invasions, increased preoperative CEA levels, DNA ploidy, and positive lateral resection margins were more frequently observed in those with metachronous liver metastases than it was in those without metastases (P＜0.05). According to multivariate analyses, vascular invasion was statistically significant in those with metachronous metastases (P=0.015).
Conclusions: Lymph node and vascular invasions appear to be significant determinants for synchronous and metachronous liver metastases in colorectal cancers. Therefore, close observation and careful postoperative follow-up is needed for such patients. J Korean Soc Coloproctol 2004;20:211-217
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KEYWORD
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Colorectal cancer, Liver metastases, Vascular invasion, Lymph node invasion
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