Presentation
Chronic knee pain.
Patient Data
Age: 55 years
Gender: Male
From the case:
Osteochondritis dissecans of the knee
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Osteochondral defect of the lateral aspect of the medial femoral condyle with underlying marrow edema signal demonstrating low T1 and high PDFS / STIR signal.
Degenerated PHMM with increased intra-meniscal signal intensity. No meniscal tear. Intact cruciate and collateral ligaments.
The tibial plateau shows a small 1 cm lobulated lesion demonstrating low T1 and high PD fat suppression / STIR signal. Mild joint effusion.
Normal signal and girth of the peri-articular musculature.
Case Discussion
Medial femoral condyle osteochondritis dissecans.
Tibial plateau small benign-looking lesion, likely enchondroma.
Mild joint effusion.