en جراحی دست / آرنج Hand surgery / Elbow گزارش مورد Case Report Type III Monteggia equivalent fracture is a rare injury, and its optimal diagnosis and management are still unclear. Reporting two cases of type III Monteggia equivalent fracture in two boys who were surgically treated the day after the presentation.This study presents two cases of type III Monteggia equivalent fracture in two boys who were surgically treated the day after the presentation. These observations suggest that the timely surgical treatment of type III Monteggia equivalent fracture results in acceptable outcomes. However, the lack of a universal classification system limits the generalization of the results Monteggia equivalent fracture, Open reduction and internal fixation, Classification 175 178 http://jros.iums.ac.ir/browse.php?a_code=A-10-526-1&slc_lang=en&sid=1 Morteza Nakhaei Amroodi drmna@yahoo.com 10031947532846003938 10031947532846003938 Yes Bone and Joint Reconstruction Research Center, Shafa Yahyaian Hospital, Iran University of Medical Sciences, Tehran, Iran. Mohammad Reza Bahaeddini mr.bahaeddini@gmail.com 10031947532846003939 10031947532846003939 No Bone and Joint Reconstruction Research Center, Shafa Yahyaian Hospital, Iran University of Medical Sciences, Tehran, Iran. Shayan Amiri amiri.shayan23@gmail.com 10031947532846003940 10031947532846003940 No Department of Orthopaedics Surgery, Rasul-e Akram Hospital, Iran University of Medical Sciences, Tehran, Iran. Mansour Karimi karimi.mansour68@gmail.com 10031947532846003941 10031947532846003941 No Bone and Joint Reconstruction Research Center, Shafa Yahyaian Hospital, Iran University of Medical Sciences, Tehran, Iran. Pouria Tabrizian tabrizian.pouria@gmail.com 10031947532846003942 10031947532846003942 No Department of Orthopaedics Surgery, Rasul-e Akram Hospital, Iran University of Medical Sciences, Tehran, Iran.