An Unusual Prepatellar Bursa Swelling: Patellar Button Dissociation and Migration

Case Reports in Orthopedics
Thomas Hester, Farid Moftah

Abstract

Implant loosening is not a new phenomenon, nor is implant migration; however they are rarely seen after knee arthroplasty surgery. Complications with patellar buttons have been reported before with peg failure, loosening, and patella fracture; however extra-articular migration is extremely rare. We report an unusual case of patellar button migration 11 years after total knee arthroplasty to the prepatellar bursa.

References

Dec 30, 1999·The Journal of Arthroplasty·C H HuangC K Cheng
Apr 10, 2002·The Journal of Bone and Joint Surgery. American Volume·Cedric J Ortiguera, Daniel J Berry
Aug 21, 2008·Clinical Orthopaedics and Related Research·John B MedingE Michael Keating
Mar 31, 2011·The Journal of Knee Surgery·Dustin S HambrightMichael P Bolognesi
Jan 5, 2013·The Journal of Knee Surgery·Eva JacobsPeter Emans
Apr 1, 2014·Orthopedics·Camilo Partezani HelitoGilberto Luis Camanho

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