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Year : 2020  |  Volume : 17  |  Issue : 2  |  Page : 77-78

Superior dislocation of the patella: A rare cause for locked knee in extension

Department of Orthopedics, Apollo-Adlux Hospital, Angamaly, Kerala, India

Correspondence Address:
K R Renjith
Department of Orthopedics, Apollo-Adlux Hospital, Near Adlux Convention Center, Cable Junction, Ernakulam District, National Highway 47, Karukutty, Angamaly - 683 576, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/joasis.joasis_13_20

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Superior dislocation of the patella is an extremely rare clinical entity, which is frequently misdiagnosed as acute patellar tendon rupture. Locked knee in extension is the classical presentation, and plain radiographs are most often diagnostic. Closed reduction can be accomplished in majority of cases, and we report superior patellar dislocation in an elderly female following trivial trauma, successfully managed by closed reduction under local anesthesia.

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