A 5-year-old boy was seen for a second opinion as he had episodes of severe abdominal pain and a variably distended abdomen. Ultrasonography showed a suspected duplication cyst of the terminal ileum. A laparoscopically assisted resection was performed. Histology confirmed the diagnosis of a duplication cyst. A few months later a 10-year-old boy presented with a history of abdominal pain, diarrhoea and vomiting. Abdominal ultrasonography showed an intussusception halfway up the transverse colon where a cyst was seen with a fluid level. The intussusception was reduced during laparoscopy and resection of the duplication cyst of the ileum was performed. Although intestinal duplication cysts are rare (prevalence 1:4500), it is important to know they exist. Laparoscopically assisted resection is an elegant way of treating duplication cysts in children.
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