Chondromalacia patellae

Case contributed by Hani M. Al Salam
Diagnosis certain

Presentation

Left knee pain.

Patient Data

Age: 35 years
Gender: Female
x-ray

Several subchondral lucencies of the patella most likely represent subchondral cysts of chondromalacia patellae.

mri

Full thickness loss of patella cartilage with subchondral cysts/edema representing chondromalacia patellae.

Case Discussion

Chondromalacia patellae grade 4 according to the modified Outerbridge grading system.

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