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Congenital Aplasia of the Patella and the Distal Third of the Quadriceps Mechanism

A Case Report

Shah, Avi Pranay, MD1; Vaidya, Sandeep, MD2; Phadke, Sanjay, MD3; Agashe, Mandar, MD1

doi: 10.2106/JBJS.CC.18.00029
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Disclosures

Case: Congenital aplasia or hypoplasia of the patella by itself is a rare condition; to our knowledge, it has been associated with aplasia of the quadriceps mechanism only 3 times in the literature. We describe a 5-year-old boy who had bilateral fixed flexion deformity of the knee as well as bilateral hypoplasia of the patella and quadriceps mechanism; he never had been able to stand upright and walk. We present the clinical and radiographic features, the surgical details, and the successful outcome after treatment.

Conclusion: Corrective femoral osteotomies with soft-tissue reconstruction to provide active knee extension provided a satisfactory outcome. At the last follow-up, the child was walking without support and had good active knee extension.

1Agashe Paediatric SuperSpeciality Care, Mumbai, India

2Pinnacle Orthocentre, Thane, India

3Agashe Hospital, Kurla, India

E-mail address for M. Agashe: mandarortho@gmail.com

Copyright © 2018 by The Journal of Bone and Joint Surgery, Incorporated
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