Bipartite patella on MRI

Case contributed by Dr Ahmed Abd Rabou


Right knee pain and swelling of four days duration

Patient Data

Age: 25 years old
Gender: Male
Modality: MRI

A small bony fragment is seen at the superolateral aspect of the patella which shows no evidence of bone marrow edema or contusion. Moderate synovial joint effusion is noted

Modality: Annotated image

The red circled area refer to the patellar fragment

Case Discussion

Bipartite patella is a normal variant due to accessory ossific center and usually discovered accidentally.

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Case Information

rID: 24584
Case created: 29th Aug 2013
Last edited: 5th Apr 2016
Inclusion in quiz mode: Included

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