Patellar dysplasia means an abnormally-shaped patella.
Page updated October 2023 by Dr Sheila Strover (Clinical Editor)
Wiberg Type 1 patella
Wiberg Type 3 patellar dysplasia
Wiberg Type 4 patellar dysplasia
What is the cause of patellar dysplasia?
Paatellar dysplasia is generally considered a genetic condition, but other possible causes may exist.
What symptoms can result from patellar dysplasia?
Paatellar dysplasia may lead to subluxation or dislocation of the patella.
Classification of Patellar Dysplasia
The Wiberg classification of the shape of the patella, based upon the relative lengths of the facets, is widely used to describe different patellar shapes.
Patellofemoral Dysplasia
Patellofemoral dysplasia is when the groove of the trochlea mirrors any abnormality in the shape of the patella.
Quick links
Peer-reviewed papers
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Quote:
"...is a major predisposing factor for instability of the patellofemoral joint....[but] represents an extremely challenging condition to manage."
Citation: Zaffagnini S, Grassi A, Zocco G, Rosa MA, Signorelli C, Marcheggiani Muccioli GM. The patellofemoral joint: from dysplasia to dislocation. EFORT Open Rev. 2017 May 11;2(5):204-214. doi: 10.1302/2058-5241.2.160081. PMID: 28630757; PMCID: PMC5467684.
