[Primary perirenal suppurations in children: surgical or percutaneous drainage?]

Renal and perirenal staphylococcal suppurative processes are rare since antibiotic era. Three cases are reported. Gram negative organisms are nowadays the most prevalent bacterial species: a urinary tract disease must then be suspected. Early diagnosis is easier with recent event of new imaging techniques. (Ultrasonography and computerized tomography). Percutaneous drainage with the help of antibiotics is the treatment of choice: it is actually a very safe and efficient procedure.