en جراحی هیپ Hip surgery گزارش مورد Case Report Regarding the fact that lateral compression is usually not the underlying mechanism of fracture, Locked pubic symphysis is a very rare injury. At most times it can be managed with closed reduction method; however, open reduction with or without internal fixation may sometimes be required. In rare cases, osteotomy is the only choice. Urethral or bladder damage can occasionally be found. In this study, we presented a case of locked pubic symphysis with failed closed reduction who underwent successful open reduction with internal fixation.  Locked pubic symphysis, Closed reduction, Open Reduction/Internal Fixation 197 200 http://jros.iums.ac.ir/browse.php?a_code=A-10-742-3&slc_lang=en&sid=1 Ali Yeganeh yeganeh.a@iums.ac.ir 10031947532846005667 10031947532846005667 No Department of Orthopaedic Surgery, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran. Alireza Ghaznavi 10031947532846005668 10031947532846005668 No Department of Orthopaedic Surgery, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran. Amer Karimpour amerkarimpour@gmail.com 10031947532846005669 10031947532846005669 No Department of Orthopaedic Surgery, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran. Seyedehsan Daneshmand ehsanehsan30@gmail.com 10031947532846005670 10031947532846005670 Yes Department of Orthopaedic Surgery, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran. Shayan Amiri amiri.shayan23@gmail.com 10031947532846005671 10031947532846005671 No Department of Orthopaedic Surgery, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran.