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Báo cáo y học: "Locked patellar dislocation: a case report"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Locked patellar dislocation: a case report | Journal of Medical Case Reports BioMed Central Case report Locked patellar dislocation a case report Frederick Michels 1 2 Nicole Pouliart1 and Dirk Oosterlinck1 Open Access Address 1UZ Brussel Laarbeeklaan 101 1090 Brussels Belgium and 2Department of Orthopaedic Surgery AZ Groeninge Burgemeester Vercruysselaan 5 8500 Kortrijk Belgium Email Frederick Michels - frederick_michels@hotmail.com Nicole Pouliart - Nicole.Pouliart@uzbrussel.be Dirk Oosterlinck - dirk.oosterlinck@azgroeninge.be Corresponding author Published 4 December 2008 Received 15 March 2008 Journal of Medical Case Reports 2008 2 371 doi l0.ll86 l752-l947-2-37l Accepted 4 December 2008 This article is available from http www.jmedicalcasereports.cOm content 2 l 37l 2008 Michels et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Introduction Acute patellar dislocation is a relatively common problem. The most common dislocation is laterally in the coronal plane. Sometimes spontaneous reduction occurs but if not closed reduction can easily be done. In this paper we report a very uncommon type of locked dislocation which required an open reduction. Case presentation A l6-year-old girl of Hispanic origin sustained a sudden dislocation of the patella while she was dancing. Pre-operative computed tomography revealed a patellar dislocation with rotation around the vertical axis with the patella wedged on the side of the lateral condyle. Closed reduction failed. Open reduction was needed and the torn structures were repaired. At l-year follow-up she had a good functional outcome and reported no recurrence of dislocation. Conclusion This case report shows that some patellar dislocations may be irreducible with the closed technique. Computed tomography is .