Anterior patella apophysis

Case contributed by Dr Jeremy Jones

Presentation

Knee pain following direct trauma after fall.

Patient Data

Age: 10 years old
Gender: Male
Modality: X-ray

On the lateral film, there is a small focal ossific density projected anterior to the patella. This represents non-union of the anterior patella apophysis (normal variant) rather than an avulsion injury.

Case Discussion

Non-union of an anterior patella apophysis is a normal variant and does not represent an avulsion injury. Differential diagnosis: sleve fracture.

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Case Information

rID: 26765
Case created: 7th Jan 2014
Last edited: 11th Mar 2016
Inclusion in quiz mode: Included

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