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Diffuse microscopic angiodysplasia and nodular lymphoid hyperplasia in an infant with obscure massive lower gastrointestinal bleeding: a diagnostic challenge |
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| Authors: | Soon-Ok Choi Woo-Hyun Park Sang Pyo Kim |
| Affiliation: | a Department of Pediatric Surgery, Dongsan Medical Center, Keimyung University School of Medicine, Daegu 700-712, Republic of Korea b Department of Pediatrics, Dongsan Medical Center, Keimyung University School of Medicine, Daegu 700-712, Republic of Korea c Department of Pathology, Dongsan Medical Center, Keimyung University School of Medicine, Daegu 700-712, Republic of Korea d Department of Pediatrics, Dongguk University College of Medicine, Gyeongju 780-714, Republic of Korea |
| 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. |
| Keywords: | Angiodysplasia Microscopic angiodysplasia Lymphoid hyperplasia Obscure gastrointestinal bleeding Massive lower gastrointestinal bleeding |
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