Endoscopic Features of Superficial Barrett's Cancers Developed from Barrett's Epithelium Takuji Gotoda 1 , Chizu Yokoi 1 , Hisanao Hamanaka 1 1Endoscopy Division, National Cancer Center Hospital 3国立がんセンター東病院 Keyword: Barrett食道癌 , Barrett食道 , long segment Barrett's esophagus , LSBE , Barrett上皮 , short segment Barrett's esophagus , SSBE pp.1251-1258
Published Date 2004/8/25
DOI https://doi.org/10.11477/mf.1403100556
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 Increasing incidence of Barrett's cancer has been reported in the West. However, almost all cases have been detected in the advanced stage. The endoscopic features of 20 superficial Barrett's cancers were evaluated endoscopically. Two Barrett's cancers had developed from LSBE, and 6 lesions had originated from circular SSBE. Barrett's epithelium on a part of the lower esophagus (non-circular SSBE) was found in 12 cases.

 Almost all cases except for 1 case developed from LSBE had a superficial tumor on the right aspect of the lower esophagus. All lesions could be detected endoscopically by their reddish mucosal changes. In particular, submucosal invasive cancers were easily detected due to their elevated component. However, mucosal lesions revealed such findings as slight thickness or subtle irregularity, which were less indicative of malignancy. Further investigations using larger numbers of lesions or development of new endoscopic procedures should be considered for the detection of Barrett's cancer at an early stage.

 1) Endoscopy Division, National Cancer Center Hospital, Tokyo

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