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The Journal of Bone and Joint Surgery 82:1639 (2000)
© 2000 The Journal of Bone and Joint Surgery, Inc.

Current Concepts Review

Patellar Malalignment*

Ronald P. Grelsamer, M.D.

*No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article. No funds were received in support of this study.
Maimonides Medical Center and the Hospital for Joint Diseases, 345 East 37th Street, New York, N.Y. 10016. E-mail address for R. P. Grelsamer: rgrelsamer@pol.net.


   Introduction
 
->Patellar malalignment is underdiagnosed yet too frequently treated with surgery.

->The majority of patients with patellar pain need not undergo magnetic resonance imaging.

->Imaging performed in the office setting is often sufficient to reveal malalignment and dysplasia.

->Rehabilitation protocols need to be specific to the patella.

->->Surgery should be tailored to the patient's specific pathology.

Patellar malalignment is a translational or rotational deviation of the patella relative to any axis, and it can be a major component of patellar pain in adults. Chondromalacia, the word that has defined the field of patellar pain during the last century5,14,92, is now mostly a source of confusion and should be abandoned19. Indeed, the presence of soft cartilage - the literal translation of the term chondromalacia - is not strongly correlated with patellar pain1,28,175. Moreover, surgeons often refer to cartilage changes anywhere in the knee as chondromalacia. The confusion is further . . . [Full Text of this Article]


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