Endoscopic resection of asymptomatic, colonic, polypoid arteriovenous malformations: Two case reports and a literature review

Endoscopic resection of asymptomatic, colonic, polypoid arteriovenous malformations: Two case reports and a literature review

A colonic arteriovenous malformation (AVM) is a significant vascular lesion of the gastrointestinal tract and a common cause of lower gastrointestinal bleeding. AVMs are usually identified endoscopically as bright red, flat lesions. AVMs with a polypoid appearance are extremely rare in the large int...

Full description

Saved in:
Bibliographic Details
Published in:Saudi journal of gastroenterology Vol. 23; no. 1; pp. 67 - 70
Main Authors: Lee, Han-Hee, Kwon, Hyuk-Min, Gil, Sanghyun, Kim, Young-Shin, Cho, Minjung, Seo, Kyung-Jin, Chae, Hiun-Suk, Cho, Young-Seok
Format: Journal Article
Language:English
Published: India Wolters Kluwer India Pvt. Ltd 01-01-2017
Medknow Publications and Media Pvt. Ltd
Medknow Publications & Media Pvt. Ltd
Medknow Publications & Media Pvt Ltd
Wolters Kluwer Medknow Publications
Subjects:
Aged
Analysis
Angiodysplasia
Arteriovenous malformations
Arteriovenous Malformations - diagnosis
Arteriovenous Malformations - surgery
Case Report
Colonic Polyps - diagnosis
Colonic Polyps - surgery
Colonoscopy
Colonoscopy - methods
Diagnosis
Endoscopy - methods
Health aspects
Humans
Incidental Findings
Male
Middle Aged
Treatment Outcome
vascular malformations
Saudi Arabia
vascular malformations
Angiodysplasia
colonoscopy
arteriovenous malformations
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A colonic arteriovenous malformation (AVM) is a significant vascular lesion of the gastrointestinal tract and a common cause of lower gastrointestinal bleeding. AVMs are usually identified endoscopically as bright red, flat lesions. AVMs with a polypoid appearance are extremely rare in the large intestine. We present two cases of colonic polypoid AVM, which were detected incidentally during screening colonoscopy. Both the patients had no history of gastrointestinal bleeding such as melena or hematochezia. Colonoscopy revealed pedunculated polyps overlaid by hyperemic mucosa in the ascending colon and proximal sigmoid colon. Microscopic examination showed aberrant vessels with thickened, hypertrophic walls in the mucosa and the submucosa, and arteries were directly connected to veins without capillary beds. These features were compatible with a diagnosis of AVM with a polypoid appearance. No immediate or delayed bleeding was noted after polypectomy.
Bibliography:ObjectType-Case Study-3
SourceType-Scholarly Journals-1
content type line 23
ObjectType-Review-1
ObjectType-Feature-5
ObjectType-Report-2
ObjectType-Article-4
ISSN:1319-3767
1998-4049
DOI:10.4103/1319-3767.199111