title: Massive melena from acute mucosal necrosis after sigmoidectomy.
authors.forename: K
authors.initials: K
authors.lastname: Kitamura
authors.forename: M
authors.initials: M
authors.lastname: Shirasu
authors.forename: K
authors.initials: K
authors.lastname: Okamoto
authors.forename: M
authors.initials: M
authors.lastname: Shimotsuma
authors.forename: T
authors.initials: T
authors.lastname: Yamaguchi
authors.forename: K
authors.initials: K
authors.lastname: Sawai
authors.forename: T
authors.initials: T
authors.lastname: Takahashi
mesh_terms: D000208:Acute Disease; D000368:Aged; D003082:Colectomy / Q000009:adverse effects*; D012809:Colon, Sigmoid / Q000601:surgery*; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D008297:Male; D008551:Melena / Q000209:etiology*; D009336:Necrosis / Q000209:etiology; D012811:Sigmoid Neoplasms / Q000601:surgery