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The literature only reports 3 case series of patients who had a previous patellectomy undergoing a Unicondylar Knee Arthroplasty (UKA) with mixed results. A Minimally Invasive fixed\u2010bearing UKA was performed in a patellectomized patient with excellent postoperative knee stability and clinical outcomes after 5 years. MIS UKA may be a viable option for patellectomized patients with isolated medial compartment osteoarthritis and no preoperative extensor deficiency or instability.<\/jats:p><jats:p><jats:italic>Level of evidence<\/jats:italic> IV.<\/jats:p>","DOI":"10.1007\/s00167-011-1787-3","type":"journal-article","created":{"date-parts":[[2011,11,19]],"date-time":"2011-11-19T01:59:47Z","timestamp":1321667987000},"page":"1831-1833","source":"Crossref","is-referenced-by-count":6,"title":["Minimally invasive Unicondylar Knee Arthroplasty in a patellectomized patient"],"prefix":"10.1002","volume":"20","author":[{"given":"Hee\u2010Nee","family":"Pang","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Singapore General Hospital Outram Road 169608 Singapore Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gerard","family":"Ee","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Singapore General Hospital Outram Road 169608 Singapore Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ngai\u2010Nung","family":"Lo","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Singapore General Hospital Outram Road 169608 Singapore Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seng\u2010Jin","family":"Yeo","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Singapore General Hospital Outram Road 169608 Singapore Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2011,11,20]]},"reference":[{"key":"e_1_2_5_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199110000-00010"},{"key":"e_1_2_5_3_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.blo.0000223980.44455.21"},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-198205000-00029"},{"key":"e_1_2_5_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/0883\u20105403(92)90044\u2010Q"},{"key":"e_1_2_5_6_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.blo.0000188559.74796.69"},{"key":"e_1_2_5_7_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-200100022-00008"},{"issue":"304","key":"e_1_2_5_8_2","first-page":"1544","article-title":"Knee extensor mechanism ruptures","volume":"7","author":"Duthon VB","year":"2011","journal-title":"Rev Med Suisse"},{"key":"e_1_2_5_9_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.70B5.3192563"},{"key":"e_1_2_5_10_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198062080-00013"},{"key":"e_1_2_5_11_2","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1097\/00003086-197610000-00013","article-title":"Unicondylar knee replacement","volume":"120","author":"Insall J","year":"1976","journal-title":"Clin Orthop Relat Res"},{"key":"e_1_2_5_12_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-197658060-00003"},{"key":"e_1_2_5_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0883\u20105403(06)80214\u20107"},{"key":"e_1_2_5_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.knee.2004.01.001"},{"key":"e_1_2_5_15_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199103000-00030"},{"key":"e_1_2_5_16_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-198710000-00027"},{"key":"e_1_2_5_17_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-198705000-00023"},{"key":"e_1_2_5_18_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-199509000-00005"},{"key":"e_1_2_5_19_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2007.07.022"},{"key":"e_1_2_5_20_2","doi-asserted-by":"crossref","first-page":"180","DOI":"10.1097\/00003086-197805000-00033","article-title":"Function after patellectomy","volume":"132","author":"Peeples RS","year":"1978","journal-title":"Clin Orthop Relat Res"},{"issue":"1","key":"e_1_2_5_21_2","first-page":"17","article-title":"Minimally invasive unicondylar arthroplasty: eight\u2010year\u2010follow\u2010up","volume":"15","author":"Romanowski MR","year":"2002","journal-title":"J Knee Surg"},{"issue":"4","key":"e_1_2_5_22_2","first-page":"421","article-title":"Basic kinematics and biomechanics of the patello\u2010femoral joint. 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