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Dysplastic patella alta with lateral subluxation and osteoarthritis

Case contributed by Roberto Schubert
Diagnosis certain

Presentation

Aggravating pain in known osteoarthitis of the knee.

Patient Data

Age: 70
Gender: Female

High-riding malaligned alpine hunter's hat patella with large chondral defects, subchondral cysts and edema. Joint effusion indicating arthritis.

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