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J Pediatr Surg. 2003 Nov;38(11):1696-8.

Massive gastrointestinal bleeding in infants with ascariasis.

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Pediatric Surgery Unit, Department of Surgery, Faculty of Medicine, Prince of Songkla University, Hadyai, Songkhla, Thailand.


Although infestation with Ascaris lumbricoides causes various intestinal complications, massive gastrointestinal bleeding is rare. The authors report on 2 infants who presented with massive hematemesis. In the first patient, a gastroduodenoscopy was performed. Roundworms were found adhering to an oozing duodenal ulcer. Duodenal perforation occurred after extraction of the parasites. The second case was hematemesis together with peritonitis. Exploration found volvulus and a gangrenous segment of the distal ileum. Both infants previously passed roundworms with their stool. The authors conclude that the intestinal ascariasis can be a cause of massive gastrointestinal bleeding, especially in temperate and tropical countries.

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