Abstract
Superior dislocation of patella without patellar ligament injury is a rare clinical condition: hence often brings diagnostic dilemma for Emergency physician. Only few cases have been reported in the literature and all of them had coexistant patellofemoral joint osteoarthritis. We present such dislocation in a 34-years old rugby player after a fall without any preexisting arthrosis in the knee. This case report aims to highlight a rare condition and subtle radiological findings while assessing acute knee pain. Differences of this dislocation with vertical type of intraarticular dislocation have been discussed.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Hughston JC, Deese M (1988) Medial subluxation of the patella as a complication of lateral retinacular release. Am J Sports Med 16:383–388
Watson-Jones R (1956) Fractures and joint injuries, 5th edn. Williams and Walkins, Baltimore, pp 792–793
Yip DKH, Wong JWK, Sun LK, Wong NM, Chan CW, Lau PY (2004) The management of superior dislocation of the patella with interlocking osteophytes —an update on a rare problem. J Orthop Surg 12(2):253–257
Scott SJ, Molloy A, Harvey RA (2000) Superior dislocation of the patella—a rare but important differential diagnosis of the acute knee pain—a case report and review of the literature. Injury 31(7):543–545
Bassi RS, Kumar BA (2003) Superior dislocation of the patella—a case report and review of the literature. Em Med J 20:97–98
Ofluoglu O, Yasmin D, Donthineni R, Yildiz M (2006) Superior dislocation of the patella with early onset patellofemoral arthritis—a case report and literature review. Knee Surg Sports Traumatol Arthrosc 14:350–355
McWilliams TG, Binns MS (2000) A locked knee in extension—a complication of a degenrate knee with patella alta. J Bone Joint Surg (Br) 82-B:890
Dimentberg RA (1997) Intraarticular dislocation of the patella—case report and literature review. Clin J Sports Med 7(2):126–128
Nsouli AZ, Nahabedian AM (1988) Intraarticular dislocation of the patella. J Trauma 28:256–258
Alioto RJ, Kates S (1994) Intraarticular vertical dislocation of the patella—a case report of an irreducible patellar dislocation and unique surgical technique. J Trauma 36:282–284
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Saleemi, A.J., Hussain, A., Iqbal, M.J. et al. Superior dislocation of patella in a rugby player: an update on a extremely rare condition and review of literature. Knee Surg Sports Traumatol Arthr 15, 1112–1113 (2007). https://doi.org/10.1007/s00167-006-0283-7
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00167-006-0283-7