MRCEM Notes

Knee problems: children and young adults

The table below summarises the key features of common knee problems:

ConditionKey features
Chondromalacia patellaeSoftening 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
Osgood-Schlatter disease
(tibial apophysitis)
Seen in sporty teenagers
Pain, tenderness and swelling over the tibial tubercle
Osteochondritis dissecansPain after exercise
Intermittent swelling and locking
Patellar subluxationMedial knee pain due to lateral subluxation of the patella
Knee may give way
Patellar tendonitisMore common in athletic teenage boys
Chronic anterior knee pain that worsens after running
Tender below the patella on examination

Referred pain may come from hip problems such as slipped upper femoral epiphysis


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