Characteristics of OCD lesions in patients with JIA.
| Patient | Age at OCD Diagnosis, yrs | OCD Lesion Location | Previous Injury of Affected Joint | Surgery | Outcome |
|---|---|---|---|---|---|
| 1* | 10.7 | R LFC | No | R knee debridement and transarticular drilling | Ongoing mechanical symptoms and pain |
| 2 | 11.5 | R LFC | Fall on R knee while playing as a hockey goalie | R knee debridement and microfracturing | Resolution of mechanical symptoms and pain |
| 3 | 12.5 | L MFC | No | L knee arthroscopy only | Resolution of mechanical symptoms and pain |
| 4 | 10.5 | L LFC | No | None | Gradual resolution of symptoms and MRI findings |
| 5 | 9.6 | R MFC | No | R knee debridement | Resolution of mechanical symptoms and pain |
| 6* | 10.4 | R MFC | No | None | No symptom progression |
| 7 | 10.6 | R medial inferior patella | Fall on R knee while skating | R knee debridement | Resolution of mechanical symptoms, ongoing pain |
| 8 | 14.6 | L central patella | No | L knee debridement | Resolution of mechanical symptoms and pain |
| 9 | 9.8 | L MFC | No | None | Ongoing L knee pain |
| 10* | 8.2 | R LFC | Fall and kick to the R knee during soccer | None | No symptom progression |
↵* OCD lesion present at the time of JIA diagnosis. OCD: osteochondritis dissecans; JIA: juvenile idiopathic arthritis; L: left; LFC: lateral femoral condyle; MFC: medial femoral condyle; R: right; MRI: magnetic resonance imaging.