- 
A traction apophysitis 
- 
Uncommon 
- 
adolescents 
- 
Inferior pole of the patella 
Treatment
- 
Largely the same as Osgood Schlatter 
- 
Knee immobilisation only needed for severe cases 
- 
symptoms usually resolve 10-12 months 
Atanda A et al Osteochondrosis: common causes of pain in growing bones. AAFP 2011; 83(3): 285-291