Pancreatic pseudocysts (PP) are fluid-filled sacs that contain pancreatic enzymes and are encapsulated by a nonepithelialized wall of fibrous tissue. 1 PP are the most common lesions of the pancreas with an overall prevalence of 0.5-1 in 100,000 adults per year, but rather rare in the pediatric population. 1,2 The commonest cause of PP in children is trauma, whereas in adults the causes can be pancreatitis, usually from alcohol, and gallstones. 2 They are commonly asymptomatic but can cause abdominal pain, early satiety, and vomiting from the pressure effect depending on their site and size. 3 Herein we present a case of a schoolgirl who presented with clinical features of gastric outlet obstruction due to PP and was managed successfully by surgery. | KEY CLINICAL MESSAGEPP are rare in children with trauma and pancreatitis being the commonest causes. Management ranges from conservative to different types of drainage techniques depending on the clinical characteristics of the cyst and patient; therefore, treatment should be individualized from patient to patient. | CASE PRESENTATIONAn 8-year-old female presented with a 3-day history of postprandial projectile vomiting of recently eaten food material associated with nonradiating upper abdominal pain, colicky with no relieving factors. It was associated