ABSTRACT
BACKGROUND: Prader-Willi syndrome is characterised by hyperphagia and binge eating, without regurgitation. CASE DESCRIPTION: We present a 16-year-old girl with Prader-Willi syndrome exhibiting loss of appetite, stomach ache and regurgitation. Gastro-enteritis was suspected. However, she rapidly developed severe septic shock. During emergency surgery, a fully necrotic and ruptured stomach was seen. Despite respiratory, haemodynamic and surgical efforts, the patient died of necrotic intestinal bleeding. CONCLUSION: Binge eating or deviant gastric homeostasis could account for the relatively high incidence of gastric necrosis in patients with Prader-Willi syndrome. Loss of appetite and regurgitation in patients with this syndrome should be considered as warning signs of a possible life-threatening disorder.