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Manipal Journal of Medical Sciences

Abstract

INTRODUCTION: Meckel’s diverticulum (MD) is developmental anomaly which occurs in approximately 2% of individuals because of an open vitelline (omphalomesenteric) duct which fails to close in embryonic development. This case highlights a young adult patient with unexplained recurrent per rectal bleeding which was diagnosed through second look colonoscopy after imaging studies and baseline colonoscopy produced inconclusive results.

CASE REPORT: A 21-year-old female presented to the ED with history of massive bleeding per rectum, abdominal pain and three episodes of syncope of one day duration. After clinical evaluation and stabilization, she underwent gastroscopy which showed no obvious source of bleeding. Subsequently, a lower gastrointestinal endoscopy revealed blood up to small bowel (ileum). CT angiogram and CT enterography were reported to be normal. In view of persistent intestinal bleeding, a repeat colonoscopy was performed. A double lumen sign with blood tinged mucosal was seen approximately two feet proximal from the ileocecal junction, visibly indicative of a recently bled Meckel's diverticulum.

CONCLUSION: Endoscopic evaluation can be a diagnostic modality for the presence of Meckel’s Diverticulum which otherwise can be missed out on imaging methods. Extended ileal intubation during full length colonoscopy should carried out if feasible in patients with obscure gastrointestinal bleed.

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