knee

Background

DefinitionKnee OCD MRI Cartilage Intact

 

Osteochondritis Dissecans

- separation of avascular fragment of bone & cartilage

 

Epidemiology

 

M : F = 2:1

 

Mean age 18 years

- can present as young as 9

 

4:1000

 

Knee Exam

Look

 

Shoes

Walking aids

 

Front

 

Knee alignment 

- physiological valgus

 

Patellar rotation 

- squinting (inwards, increased PFA) 

- grasshopper eyes (high and lateral)

 

Swelling

Quads Wasting

Scars

 

Knee effusion