Osteochondritis dissecans of the knee

Case contributed by Dr Mohammad A. ElBeialy

Presentation

55 years male with chronic knee pain.

Patient Data

Age: 55 years old
Gender: Male

Osteochondral defect of the lateral aspect of the medial femoral condyle with underlying marrow oedema 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.

See also

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Case information

rID: 23472
Case created: 18th Jun 2013
Last edited: 25th Feb 2016
Tag: knee
Inclusion in quiz mode: Included

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