The purpose of the study is to investigate the radiologic and clinical treatment methods following the rarely seen UPJ laceration due to blunt body trauma. In this study there are eight patients with isolated UPJ laceration, admitted to Gülhane Military Medicine Academy, Firat University Medical Faculty Urology department, and Elaziğ Military Hospital Urology Service. They are one child (12 years old) and 7 adults (6 male, 1 female) ranged 18-61 years old. Abdominal USG(Ultrasonography), IVP(Intravenous Pyelography), abdominal CT(Computed Tomography), and retrograde-antegrade pyelography were used for diagnosis. They were treated with percutaneous nephrostomy, double J stent implantation and reconstructive open surgical procedures. All patient were cured with the culmination of urinary extravasation and ureteropelvic patency.