Introduction.

Perforated duodenal ulcer is an entity of unclear etiology that rarely occurs in the pediatric population. It is usually diagnosed intraoperatively and the ideal treatment includes the use of the omentum patch or, if necessary, surgical resection.

Clinical case.

A 12-year-old patient with acute abdomen and preoperative tomographic diagnosis of perforated duodenal ulcer, treated laparoscopically with peritonitis drainage and Graham patch is presented. The evolution and subsequent follow-up were adequate.

Discussion.

Perforated duodenal ulcer is a multifactorial entity, in which Helicobacter pylori has been implicated. Preoperative diagnosis is challenging and treatment must be surgical.

Conclusions.

When the preoperative diagnosis is established, a laparoscopic approach and the use of the Graham patch can be performed when the ulcers are less than two centimeters.

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