Abdominal pain in a young man revealing an infected perigastric cystic lymphangioma.

Abdominal cystic lymphangiomas are a rare pathology of childhood. They are lymphatic malformations that develop in the retroperitoneum or mesenteric space [1] [2]. They are most often asymptomatic and are revealed during an acute complication. When they are symptomatic, surgical resection is the rule [3].