Mosaicplasty
Harvest site
Option 1
- lateral and medial aspect femoral trochlea
Option 2
- intercondylar notch
Option 3
- allograft
- can take larger grafts without donor site risk
Size
knee OCD
Management
NHx
European Orthopaedic Paediatric Study JPO 1999
- 452 patients
- juvenile and adult
Findings
- stable lesion with cartilage intact and no dissection had good prognosis
- if signs dissection, surgical management better than non surgical
- sclerosis on x-ray poor prognostic sign
- lesions > 2cm poor prognosis
- 20% OCD in juveniles abnormal x-ray findings at 3 years (not benign process)