Knee problems

Question 1

Key features:
Softening of the cartilage of the patella
Common in teenage girls
Characteristically anterior knee pain on walking up and down stairs and rising from prolonged sitting
Usually responds to physiotherapy

Answer 1

Condromalacia

Question 2

Seen in sporty teenagers
Pain, tenderness and swelling over the tibial tubercle

Answer 2

Osgood-Schlatter’s (tibial apophysitis)

Question 3

Pain after exercise
Intermittent swelling and locking

Answer 3

Osteochondritis dissecans

Question 4

Medial knee pain due to lateral subluxation of the patella
Knee may give way

Answer 4

Patellar subluxation

Question 5

More common in athletic teenage boys
Chronic anterior knee pain that worsens after running
Tender below the patella on examination

Answer 5

Patellar tendonitis

Question 6

Referred knee pain from hip source
Teenage boys, more common if obese/overweight

Answer 6

slipped upper femoral epiphysis