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  1. K K F Tsoi,
  2. J J Y Sung,
  3. J Y W Lau
  1. Institute of Digestive Disease, The Chinese University of Hong Kong
  1. Dr Kelvin K F Tsoi, Institute of Digestive Disease, Prince of Wales Hospital, Shatin, NT, Hong Kong; kelvintsoi{at}cuhk.edu.hk

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Dieulafoy’s lesion was described by Gallardin in 1884 and designated as exulceratio simplex by the French surgeon George Dieulafoy in 1898.1 2 Histologically, Dieulafoy’s lesion consists of an abnormal submucosal “calibre-persistent artery” that typically protrudes through a submucosal defect.3 The diameter of the calibre-persistent vessel ranges from 1 to 3 mm, which is comparable to that of a protuberant vessel underlying a peptic ulcer. While it is more common in men and found usually in the proximal stomach and duodenum, there is no evidence to suggest that its outcome to endoscopic therapy is different from that …

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