title: Bony ankylosis of the knee secondary to heterotopic ossification after total knee arthroplasty: a case report.
abstract: We report a case of bony ankylosis of the knee secondary to severe and extensive heterotopic ossification over 9 years after primary total knee arthroplasty in a 71-year-old woman.
authors.affiliation: Department of Orthopaedics and Traumatology, Queen Mary Hospital, Hong Kong.
authors.forename: P K
authors.initials: PK
authors.lastname: Chan
authors.forename: K Y
authors.initials: KY
authors.lastname: Chiu
authors.forename: F Y
authors.initials: FY
authors.lastname: Ng
authors.forename: C H
authors.initials: CH
authors.lastname: Yan
mesh_terms: D000368:Aged; D000844:Ankylosis / Q000209:etiology* / Q000628:therapy; D019645:Arthroplasty, Replacement, Knee / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000473:pathology* / Q000601:surgery; D009999:Ossification, Heterotopic / Q000209:etiology* / Q000628:therapy; D020370:Osteoarthritis, Knee / Q000601:surgery*
keywords: ankylosis; arthroplasty, replacement, knee; ossification, heterotopic