Elevation of Tumor Marker (CEA) as a Diagnostic Indicator of DCIS after Resection of Colon Cancer

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  • Tani Mayumi
    Divisions of Breast and Endocrine Surgery, Nihon University School of Medicine
  • Waga Eiko
    Divisions of Breast and Endocrine Surgery, Nihon University School of Medicine
  • Matsumoto Kyoko
    Divisions of Breast and Endocrine Surgery, Nihon University School of Medicine
  • Ookubo Takao
    Divisions of Gastro Surgery, Department of Surgery, Nihon University School of Medicine
  • Sakurai Kenichi
    Divisions of Breast and Endocrine Surgery, Nihon University School of Medicine
  • Amano Sadao
    Divisions of Breast and Endocrine Surgery, Nihon University School of Medicine
  • Kusumi Yoshiaki
    Department of Pathology, Nihon University School of Medicine

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Other Title
  • 直腸癌術後に発症したCEA 上昇を伴う非浸潤性乳管癌の一例
  • 症例報告 直腸癌術後に発症したCEA上昇を伴う非浸潤性乳管癌の一例
  • ショウレイ ホウコク チョクチョウガン ジュツゴ ニ ハッショウ シタ CEA ジョウショウ オ トモナウ ヒシンジュンセイニュウカンガン ノ イチレイ

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We present a case of a 73-year-old woman. After undergoing mastectomy for ductal carcinoma in situ (DCIS), CEA levels became normal. She exhibited elevated CEA levels, 19-years after colectomy for colon cancer. Despite the fact that she had undergone regular medical examinations, we could not determine the cause. Two years after the initial finding of elevated CEA, she noticed bloody discharge from the nipple. The cytology was class IIIb. We could not detect a tumor in her breast, by palpation or mammography, but were able to examine the intraductal region by ultrasound. CEA levels were elevated (17.6 ng/dl), but returned to normal after operation on the breast. There was no recurrence.

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