Lateral dislocation of patella

Case contributed by Dr Subash Thapa

Presentation

Sudden pain with limited range of movement of left knee while dancing

Patient Data

Age: 12 years
Gender: Female
X-ray

Tangential view shows complete lateral displacement of the patella.

Dislocated patella was reduced in the department of emergency and the repeat X-ray were taken.

X-ray

Lateral and anterior-posterior view shows normal positioned patella after the reduction

Case Discussion

Lateral dislocation of the patella is by far the most common type which may occur from trauma or torsional stress when direction is suddenly changed while running or even dancing.

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Case information

rID: 40742
Case created: 1st Nov 2015
Last edited: 4th Nov 2015
Inclusion in quiz mode: Included

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