Abstract
The authors report a rare case of diffuse microscopic angiodysplasia and nodular lymphoid hyperplasia involving the distal ileum and total colon in a 13-month-old girl who had recurrent episodes of massive lower gastrointestinal bleeding of obscure origin. Colonoscopy showed multiple nodular hyperplasia and mucosal erosions, and all other diagnostic studies were negative. At laparotomy, intraoperative transluminal endoscopic transillumination was of benefit in identifying the bleeding foci but could not detect every angiodysplastic lesion.
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