To cite: Tariq S. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2014208543 DESCRIPTION A 13-year-old girl presented to A&E with a 3-day history of abdominal pain, anorexia and nausea. Bowels were opening regularly once daily with no blood or mucous and there were no urinary symptoms. Menstruation was normal; there was no vaginal discharge or bleeding and the pat...