Metastatic Colon Carcinoma 27 Years after Surgery for Breast Cancer, Report of a Case Tsuyoshi Abe 1 , Kenji Kondo 1 , Tsutomu Hamada 1 1Department of Gastroenterology, Social Health Insurance Medical Center Keyword: 転移性大腸癌 , 乳癌 pp.1063-1069
Published Date 2004/6/25
DOI https://doi.org/10.11477/mf.1403100529
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 A67-year-old woman visited a near-by clinic, because her stool was positive for occult blood at a medical check up. She was hospitalized for detailed examination. Barium enema exhibited lateral deformities in the sigmoid and descending colon. Colonoscopy demonstrated red elevated lesions in the sigmoid and descending colon. Biopsies of each lesion showed Group5, adenocarcinoma. The patient had received right mastectomy27years before, but we could not differentiate primary carcinoma and metastatic carcinoma. We carried out left hemicolectomy. Tumor cells permeated diffusely from the submucosal layer to the serosa. Some of the tumor cells had infiltrated the mucosal layer. Histopathological diagnosis was metastatic adenocarcinoma, suggesting metastasis from her original breast cancer. It is rare that colonic metastases occur from breast cancer operated on as long as27years before.

 1) Department of Gastroenterology, Social Health Insurance Medical Center, Tokyo

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