Angiodysplasia of the right colon: a cause of gastrointestinal bleeding.

Angiodysplasia of the right colon: a cause of gastrointestinal bleeding. Research Abstract Details 

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Angiodysplasia of the right colon: a cause of gastrointestinal bleeding. Abstract Text:

S Baum,C A Athanasoulis,A C Waltman,J Galdabini,R H Schapiro,A L Warshaw,L W Ottinger,

Thirty-four patients with intermittent lower gastrointestinal bleeding were diagnosed angiographically as having angiodysplasia of the cecum and right colon. Repeated barium and endoscopic examinations were negative. Right colectomy was performed on 17 patients, who were followed postoperatively for up to 7 years. Of these, four patients rebled, two of whom had angiographic evidence of related lesions involving other parts of the colon and terminal ileum. Silicone rubber injection and tissue-clearing techniques on the specimens have facilitated the pathologic identification of these lesions. Histologically, they are dilated submucosal veins and arteries associated with areas of overlying mucosal thinning and occasional ulcerations. Although the pathogenesis of the lesion is unknown, we think they are acquired rather than congenital and result from chronic submucosal arteriovenous shunting secondary to mucosal ischemia. Of the 34 patients, 17 had a history of cardiac disease.

Angiodysplasia of the right colon: a cause of gastrointestinal bleeding. Publishing Authors By Initials

S Baum,CA Athanasoulis,AC Waltman,J Galdabini,RH Schapiro,AL Warshaw,LW Ottinger,

For similar cardiovascular diseases: vascular diseases research abstracts see: cardiovascular diseases: vascular diseases research

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Angiodysplasia of the right colon: a cause of gastrointestinal bleeding. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: AJR. American journal of roentgenology

VOLUME: 129

Page Numbers: 789-94

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ISSN: 0361-803X

DAY: 15

MONTH: Nov

YEAR: 1977

Angiodysplasia of the right colon: a cause of gastrointestinal bleeding. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

Angiodysplasia of the right colon: a cause of gastrointestinal bleeding. Keywords Mesh Terms:

KEYWORDS: Vascular Diseases

MESH TERMS: radiography

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Country: UNITED STATES

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MEDLINETA: AJR Am J Roentgenol

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