Abstract
We report a rare case of peritoneal metastasis from colon cancer being found in the bilateral sites of inguinal hernia repair. The patient was an 85-year-old man who underwent colonoscopy for a positive fecal occult blood test, with a subsequent diagnosis of ascending colon cancer. He had undergone mesh plug repair for bilateral inguinal hernias at another hospital 6 years previously. We performed laparoscopy-assisted right hemi-colectomy and found nodes in the bilateral scars from the inguinal hernioplasty. Biopsy confirmed that both of the nodes were peritoneal metastasis, leading to the assumption that cancer cells disseminated within the abdominal cavity had been implanted at the repair sites, although the mechanism for this was unclear. A relationship between inflammation and peritoneal metastasis has been reported; thus, we speculated that local inflammation resulting from chronic stimulus of mesh plugs and peritoneal trauma caused peritoneal metastasis at the repair sites.
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Michihiro Kudou and other co-authors have no conflict interest.
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Kudou, M., Murayama, Y., Konishi, H. et al. Peritoneal colon cancer metastasis to bilateral inguinal hernia repair sites: report of a case. Surg Today 45, 1053–1057 (2015). https://doi.org/10.1007/s00595-014-1037-7
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DOI: https://doi.org/10.1007/s00595-014-1037-7