Retrocecal Ruptured Appendicitis Complicated with Perinephric Abscess

Introduction perinephric abcsess due to perforated retrocecal appendix is a rare complication, which can now be detected by preoperative imaging study. Case presentation this is a retrospective case report of a 5-year-old boy hospitalized in the departament of infectious disease because of high fever and abdominal pain. A US (ultrasonography) was performed and a fluid collection around the right kidney was detected. Inflamatory changes was also seen in the right hypochonder. Then a CT (computed tomography) was performed and perinephric abscess due to perforated retrocececal appendicitis was confirmed. Surgical remove resulted the best treatment. According to the surgeon the abscess was deep and difficult to remove. ConclusionRight perinephric abscess due to perforated retrocecal appendicitis is a rare complication, which requires special attention. Surgical treatment seems to be the appropriate treatment.