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contentuptodate· Content· item f17_47_18164

©2013 UpToDate ® Print Email Arteriovenous malformation in the gastrointestinal tract Endoscopic views of arteriovenous malformations being treated with the argon plasma coagulator (APC). The top panels illustrate the appearance before and after APC coagulation. The bottom panels demonstrate the ability of APC to treat lesions tangentially. It is important to see the black portion of the APC cathether prior to initiating coagulation to prevent damage to the endoscope. Courtesy of Jonathan Cohen, MD.