Source
OCD
OA - Osteophytes
Meniscus
Symptoms
Pain
Locking
Clicking
Can cause chondral damage
Xray
OA Loose Bodies
OCD Loose Bodies
MRI
2 x Osteochondral Fragments in Notch
Osteochondral Fragment in PFJ
Loose body in posterolateral compartment
Arthroscopy
Need to look carefully
Common Sites are
1. Notch
- can be covered by soft tissue
2. Lateral Gutter
- common here
- often need to retrieve via Superolateral portal
3. Posteromedial corner
If can't find loose body
- always look here
Technique
- put camera in standard portal
- use probe to lift PCL up
- push camera gently into interval between MFC and PCL
- need to make posteromedial portal to retrieve loose body
4. Posterolateral corner
Technique
- change camera to medial portal
- use probe to lift up ACL
- push camera through
5. Loose body can be adhered and covered in synovium