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Intramedullary Insertion of the Patellar Tendon, a Rare Anatomical Variant, Its Sequelae, and Surgical Management

A Case Report

Collett, David J. BSc(Med), MBBS(Hons), MS1; Sharma, Rahul MBBS, DNB(Orth)2; Goyal, Prateek MBBS, Dip(Orth), DNB(Orth)3

doi: 10.2106/JBJS.CC.18.00397
Case Reports

Case: We report a rare cause of patella baja in a 25-year-old man presenting with right knee pain. He was found to have patella baja and a genu recurvatum deformity. Imaging revealed an extremely unusual variant of the patellar tendon—identified to have an intramedullary tibial insertion. A patellar tendon reconstructive procedure was performed.

Conclusions: An intramedullary insertion of the patellar tendon is a fascinating and rare cause of patella baja with subsequent altered biomechanics of the extensor mechanism. We believe this is the first case report to describe its surgical presentation and an operative approach to its management.

1Department of Orthopaedic Surgery and Musculoskeletal Medicine, Macquarie University Hospital, NSW, Australia

2Department of Orthopaedic Surgery, Nepean Hospital, NSW, Australia

3Department of Orthopaedic Surgery, S.D.M.H Hospital, Jaipur, Rajasthan

E-mail address for D.J. Collett:

Investigation performed at Macquarie University Hospital, NSW, Australia and S.D.M.H Hospital, Jaipur, Rajasthan

Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (

Copyright © 2019 by The Journal of Bone and Joint Surgery, Incorporated
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