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Esophageal Adenocarcinoma Derived from Long Segment without a Demarcation Line, Report of a Case Akiko Takahashi 1 , Tsuneo Oyama 1 , Nobukazu Yorimitsu 1 , Satoshi Shiozawa 2 1Department of Endoscopy, Saku Central Hospital Advanced Care Center, Saku, Japan 2Department of Pathology, Saku Central Hospital Advanced Care Center, Saku, Japan Keyword: LSBE , Barrett食道癌 , 側方進展範囲診断 , IIb進展 , NBI拡大 pp.1373-1397
Published Date 2016/9/25
DOI https://doi.org/10.11477/mf.1403200736
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 A 60-year-old male with LSBE(long-segment Barrett's esophagus ; C12M13)was referred for detailed examination. A 0-IIc lesion was found in LSBE using endoscopy. However, the lateral extension was unclear using white light imaging. NBI-ME(magnified endoscopy with narrow band imaging)showed an irregular villous pattern on the surface of the 0-IIc lesion, but the lateral extension was still unclear. A biopsy was taken from near the 0-IIc lesion to check the lateral extension and revealed low-grade adenocarcinoma.

 A second endoscopy was performed for a further detailed examination. An irregular pit pattern was observed around the 0-IIc lesion using NBI-ME, but the lateral extension was still obscure. Therefore, five biopsies were taken from outside of the irregular pit area. However, all biopsies revealed low-grade adenocarcinoma. Therefore, esophagectomy was recommended for the patient, and thoracoscopic esophagectomy was performed.

 The pathological diagnosis was synchronous adenocarcinoma(four lesions). All the lesions were well-differentiated adenocarcinoma, low-grade, T1a-DMM, and ly0/v0. According to our database, such a difficult case occurs less than 10% of the time. However, a detailed examination using NBI-ME with biopsies should be performed for the diagnosis of cases of esophageal adenocarcinoma in LSBE.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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