OSTEOCHONDRITIS DESSICANS

SUMMARY

1. Lesion of the underlying subchondral bone with/without involvement of the overlying cartilage. Commonly involve the medial femoral condyle.

2. Grade 1: compression of subchondral trabeculae with preservation of the cartilage.

3. Grade 2: incomplete detachment of an osteochondral fragment.

4. Grade 3: complete avulsion of an osteochondral fragment without dislocation.

5. Grade 4: complete avulsion of an osteochondral fragment with dislocation (loose body).

6. Surgical techniques can be palliative (arthroscopic debridement), reparative (microfracture), or restorative (autologous chondrocyte implantation, osteochondral graft).

Reference(s)

Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].