J.Jpn. Surg. Soc.
ISSN 1880-1129

[Abstract] [Full Text HTML] [Full Text PDF] （in Japanese / 1153KB） [Members Only]

J.Jpn. Surg. Soc.. 119(5): 475-481, 2018

Feature topic

RIGHT-SIDED COLON CANCER WITH LYMPH NODE METASTASIS ALONG THE SUPERIOR MESENTERIC ARTERY

Colorectal Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan

Tsuyoshi Konishi, Tetsuro Tominaga, Masashi Ueno, Yosuke Fukunaga, Satoshi Nagayama, Yoshiya Fujimoto, Takashi Akiyoshi, Toshiya Nagasaki, Tomohiro Yamaguchi, Takeshi Sano, Toshiharu Yamaguchi

This study aimed to investigate the survival outcomes of right-sided colon cancer with lymph node metastasis along the superior mesenteric artery. A total of 586 consecutive patients with Stage Ⅱ-Ⅲ right-sided colon cancer (stage Ⅱ n＝308, stage Ⅲ n＝278) who were treated with curative resection during 2004 and 2013 were included in the study. Each harvested lymph node from the surgical specimens was numbered and mapped on an anatomical schema to identify the location of the nodes. The median follow-up period was 59 months. The overall study cohort had 87.5％ overall survival and 82.7％ relapse-free survival at 5 years. Superior mesenteric lymph node metastasis was found in 17 patients (2.8％). Five-year overall survival was 62.5％ and 5-year relapse-free survival was 57.5％ in those patients. Recurrence was seen in 9 patients, including in the liver (n＝2), lung (n＝2), lymph nodes (n＝2), peritoneal dissemination (n＝2), and local recurrence (n＝1). Ten patients were alive at the last follow-up. The results of this study support curative D3 dissection for right-sided colon cancer with superior mesenteric lymph node metastasis.

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