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Angioectasia and mucosal scalloping of the small bowel detected on capsule endoscopy in a patient with overt obscure gastrointestinal bleeding and iron-deficiency anemia. Argon plasma coagulation of multiple angioectasias was performed, and small-bowel biopsies were obtained on double-balloon enteroscopy (A). Small-bowel biopsies were consistent with villous atrophy secondary to celiac sprue (B).
