Patellar dislocation

Case contributed by Dr Vikas Shah

Presentation

Twisted knee while playing football

Patient Data

Age: 25 years
Gender: Female
X-ray

The patella is located lateral to its expected position.  No fracture.

Case Discussion

The patella has dislocated laterally. This is often a transient phenomenon with spontaneous reduction before the patient attends the ED. MRI can show damage to the medial retinaculum and marrow oedema within the patella and lateral femoral condyle.

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Case information

rID: 51808
Case created: 8th Mar 2017
Last edited: 9th Mar 2017
Inclusion in quiz mode: Included

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