Direk TantigateKongkhet RiansuwanBanchong MahaisavariyaKitichai SukjaithamMahidol University2018-11-232018-11-232015-01-01CiOS Clinics in Orthopedic Surgery. Vol.7, No.2 (2015), 261-263200544082005291X2-s2.0-84929916497https://repository.li.mahidol.ac.th/handle/20.500.14594/36743© 2015 by The Korean Orthopaedic Association. A broken lag screw of the cephalomedullary nail is a rare condition. Removal of the retained lag screw from the femoral head is also very challenging. This article describes a surgical technique and the modified instrument that was available in the operating room for removing the broken implant by closed technique.Mahidol UniversityMedicineArticleSCOPUS10.4055/cios.2015.7.2.261