Fracture of a polyethylene tibial post in a Scorpio posterior-stabilized knee prosthesis.

Hong Chul Lim, Ji Hoon Bae, Jin Ho Hwang, Seung Joo Kim, Ji Yeol Yoon

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)

    Abstract

    We report the case of a polyethylene tibial post fracture in a 72-year-old woman 14 months after a Scorpio posterior-stabilized (PS) total knee arthroplasty. The polyethylene wear was found around the fracture site of the post, especially over the anterior aspect of the post base. The failure mechanism of the post fracture in the present case was anterior impingement with excessive wear over the base of the anterior aspect of the tibial post, which became a stress-riser of post and cam articulation. This is the first report of a polyethylene tibial post fracture of a Scorpio PS prosthesis.

    Original languageEnglish
    Pages (from-to)118-121
    Number of pages4
    JournalClinics in orthopedic surgery
    Volume1
    Issue number2
    DOIs
    Publication statusPublished - 2009 Jun

    ASJC Scopus subject areas

    • Surgery
    • Orthopedics and Sports Medicine

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