World Endoscopy Organization (WEO)

Single distinct dieulafoy lesion after injection below

Source: Rsaenz
Date: 2012-12-25

Small single angiectasia in normal colonic mucosa with feeding vessel seen

Source: Costamagna
Date: 2012-01-12

Large single angiectasia in colon

Source: Costamagna
Date: 2012-01-12

large lateral-spreading granular tumor, difficult to delinate in white light

Source: Costamagna
Date: 2012-01-12

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large lateral-spreading granular tumor,chromoendoscopy (indigocarmine) helps delinate the lesion)

Source: Costamagna
Date: 2012-01-12

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large lateral-spreading granular tumor, submucosal lifting prior to resection

Source: Costamagna
Date: 2012-01-12

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large lateral-spreading granular tumor, post resection (EMR)

Source: Costamagna
Date: 2012-01-12

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large lateral-spreading granular tumor, white light

Source: Costamagna
Date: 2012-01-12

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large lateral-spreading granular tumor,chromoendoscopy

Source: Costamagna
Date: 2012-01-12

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large lateral-spreading granular tumor, post resection (EMR)

Source: Costamagna
Date: 2012-01-12

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large, flat adenomatous lesion in the gastric antrum

Source: Costamagna
Date: 2012-01-12

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large, flat adenomatous lesion in the gastric antrum. NBI nicely delineates the gyrate surface consistent with Kudo type IV (adenomatous lesion)

Source: Costamagna
Date: 2012-01-12

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Linear prepyloric angiectasia (Watermelon stomach, GAVE)

Source: Costamagna
Date: 2012-01-12

Visible vessel in distal esophagus without bleeding stigmata

Source: Brugge
Date: 2010-05-05