Normal patella - secondary ossification centre

Case contributed by Dr Jeremy Jones


Fall with injury to the knee. Pain and difficulty weightbearing.

Patient Data

Age: 8
Gender: Male

There is a small linear ossific density projected anterior to the patellar surface at the inferior pole. This is not a fracture, but represents a secondary ossification centre.

Case Discussion

Don't be tempted to call this a fracture - it is a normal finding in the incompletely ossified patella in childhood. The clinical team confirmed that there was no tenderness over the inferior pole of the patella.

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Case information

rID: 42697
Published: 3rd Feb 2016
Last edited: 29th Dec 2017
System: Paediatrics
Inclusion in quiz mode: Included

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