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Case Reports in Orthopedics
Volume 2017, Article ID 9475148, 4 pages
https://doi.org/10.1155/2017/9475148
Case Report

Traumatic Rupture of an Intermediate Tendon in a Patient with Patellar Duplication

1Centre de Recherche FRSQ du CHU de Québec, Hôpital de l’Enfant-Jésus, 1401 18ème rue, Ville de Québec, QC, Canada G1J 1Z4
2Department of Orthopedic Surgery, CHU de Québec, Hôpital de l’Enfant-Jésus, 1401 18ème rue, Ville de Québec, QC, Canada G1J 1Z4

Correspondence should be addressed to Amerigo Balatri; moc.liamg@airtalab

Received 30 October 2016; Revised 24 December 2016; Accepted 16 January 2017; Published 31 January 2017

Academic Editor: Georg Singer

Copyright © 2017 Stéphane Pelet et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Patellar duplication is a rare asymptomatic condition. The diagnosis is often made following a traumatic event associated with an injury to the knee extensor mechanism. The treatment is often surgical and consists in removal of the smaller part of the patella with tendon reinsertion. The presence and rupture of an intermediate tendon between the two parts of the patella have not been reported in the modern literature. We present a traumatic rupture of an intermediate tendon in a patient with horizontal patellar duplication. The surgical management consisted of tenorrhaphy protected with a figure-of-eight tension band wire approximating the two parts of the patella. The patient recovered full knee range of motion and quadriceps strength at the last 8-month follow-up.