oceles, pelvi-ureteric and vesico-ureteric junction stenCase report osis, megaureters, malignancies and urethral conditions [2,3]. In the present case the multicystic ectopic kidney A 3-month-old boy with a right hydrocele was admitted because of severe vomiting and oliguria; an incarcerated was another cause. As far as we know this entity has never been described and should be added to the list of hernia could not be confirmed. Serum levels of potassium