Presentation
Chronic anterior knee pain when running or climbing. History of ACL repair.
Patient Data
Age: 40 years
Gender: Male
From the case:
Chondromalacia patellae - grade III
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Unsharp "villous" contours and hyperintensity of the cartilage on the medial retropatellar surface. Joint effusion. No subchondral cysts or edema.
Case Discussion
These findings would correspond to chondral fibrillation on arthroscopy.