Background

Pyonephrosis (PN) is an uncommon disease that is asso-ciated with suppurative destruction of the renal par-enchyma in adults. Obstruction and upper urinary tract infection play a role in its etiology. Fever, shivering, and flank pain are frequent clinical symptoms. If the pus detected as a result of the investigations is not surgically drained, antibiotics may not be effective. Septic shock and death can occur if the disorder is not treated with urgent surgery. In this context percutaneous or open nephrostomy or retrograde ureteral catheter insertion is appropriate, so it is a very serious disease and EP have a very important role in early diagnosis to start antibiotic treatment and early referral to surgery. Objective We present a case of septic condition with PN develop