World Endoscopy Organization (WEO)

Deep demarcated ulceration with visible vessel on base (Forrest Iia)

Source: Lai
Date: 2012-12-25

Solitary colonic ulcer of unknown pathogenesis

Source: Costamagna
Date: 2012-01-12

Gastric ulcer seen on scope inversion

Source: Costamagna
Date: 2012-01-12

Prepyloric ulcer without bleeding stigmata

Source: Costamagna
Date: 2012-01-12

Small flat duodenal ulcer with oozing bleeding

Source: Brugge
Date: 2010-05-05

Superficial duodenal ulcer with visible vessel

Source: Brugge
Date: 2010-05-05

NSAID-associated ulcer in antrum with visible vessel

Source: Brugge
Date: 2010-05-05

Semicircular pyloric ulcer with stricture

Source: Brugge
Date: 2010-05-05

Ulceration post polypectomy

Source: Aabakken
Date: 2009-11-22

single ulceration on IPAA anastomosis

Source: Aabakken
Date: 2009-11-22

Small duodenal ulcer with miild duodenitis

Source: Aabakken
Date: 2009-11-18