Giant hydronephrosis is a rare urological condition which led to serious complication. We reported a rare case of giant hydronephrosis in a 21 years old male patient with no known medical issues diagnosed after a blunt trauma. Computed tomography scan of the abdomen and pelvis showed a right giant hydronephrosis with no renal parenchyma. https://www.roneverhart.com/KNIPEX-7-1-4-in-88-01-180-Alligator-Water-Pump-Pliers/