title: Fracture of the tibial bone block after posterior cruciate  ligament allograft reconstruction using double cross pins.
abstract: We report the fracture of the tibial bone block after posterior cruciate ligament reconstruction using double cross pins for bone block fixation in the postoperative period. The possible reasons include the size of bone block,direction of cross pin or the quality of bone block. This case emphasizes the biomechanical properties and failure of modes of double cross pin.
authors.affiliation: Department of Orthopaedic Surgery, Korea University College of Medicine, Guro Hospital, Seoul, Republic of Korea.
authors.forename: Hong Chul
authors.initials: HC
authors.lastname: Lim
authors.forename: Ji Hoon
authors.initials: JH
authors.lastname: Bae
authors.forename: Joon Ho
authors.initials: JH
authors.lastname: Wang
authors.forename: Chang Woo
authors.initials: CW
authors.lastname: Seok
authors.forename: Min Keun
authors.initials: MK
authors.lastname: Kim
mesh_terms: D000328:Adult; D064591:Allografts; D001178:Arthroplasty / Q000009:adverse effects* / Q000295:instrumentation; D001858:Bone Nails; D004867:Equipment Design; D006801:Humans; D008297:Male; D019637:Orthopedic Procedures; D016119:Posterior Cruciate Ligament / Q000601:surgery*; D011859:Radiography; D019651:Plastic Surgery Procedures / Q000009:adverse effects* / Q000379:methods*; D013977:Tibia / Q000601:surgery; D013978:Tibial Fractures / Q000000981:diagnostic imaging / Q000209:etiology*; D014184:Transplantation, Homologous