Osteochondral defects Flashcards
1
Q
what is an OCD?
A
a subchondral bone lesion that results in delimitation and sequestration
2
Q
Where the typical sites for an OCD?
A
- lateral aspect of medial femoral condyle
- patella less common
- talar dome
- capitellum
3
Q
what are the poor prognostic factors?
A
- obesity
- smoking
- inflammatory conditions
- Mal-alignment
- ligamentous laxity
4
Q
What are the features and treatment of a stable OCD lesion?
A
Features
- undisplaced
- no cyst
- open physis
- children < 12yrs
Treatment
- restricted activity and WB
5
Q
How do you treat displaced fragments?
A
Fix with absorbable pins
6
Q
How do you treat unstable defects?
A
2x2cm defects
- microfracture
- protected WB
