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篇名	Umbilical Metastasis – An Unusual Presentation of Colon Cancer: Report of two Cases and Review of Literature
作者	Ting-Min Hsieh, Cheuk-Kwan Sun, Hong-Hwa Chen
卷期/出版年月	43卷1期 (2010/2)
頁次	38-42
摘要	While the liver and lungs are the most common sites of metastasis from colon cancer, umbilical metastasis is rare. Usually this kind of metastasis becomes evident only when intra-abdominal malignancy is widespread with typical presentation of carcinomatosis demonstrated at laparotomy or on imaging study. We present two cases of colon cancer with umbilical metastasis without extensive dissemination. One patient developed a painful umbilical nodule 1.5 years after an uncomplicated colectomy. Another suffered an indurated umbilical nodule associated with an obstructive sigmoid colon cancer. Pathological analysis of these excised umbilical nodules both demonstrated cutaneous metastasis of colonic origin. Careful surveillance of the periumbilical region is indicated in patients with a colonic malignancy to avoid overlooking possible metastatic implants, in order to provide early curative treatment.
關鍵詞	colon cancer, umbilical metastasis, Sister Mary Joseph’s Node
分類	Case Report