Osteochondritis Dissecans

"OCD"Sudden onset of joint swelling and lameness

Horses may act stiff in the stifle and use a shortened stride.

Joint distention is the most common symptom.

Clinical Signs

McIlwraith. 2013. Surgical versus conservative management ofosteochondrosis. The Veterinary Journal. 19-28.

This figure illustratesthe proposed pathways ofosteochondrosis leading to OCD.

Categories of OCD Lesions

Horses that show clinical and radiographic signs

Horses that show clinical signs without radiographic signs

Horses that only show radiographic signs, but no clinical signs

http://orthoinfo.aaos.org/topic.cfm?topic=A00610

http://www.costofeverydaythings.com/how-much-does-a-horse-cost/

What joints can be affected?

Femoropatellar

Tarsocrural

Fetlock

The treatments of conservativemanagement versus arthroscopic surgeryfor correction of osteochondrosis variesdepending on the location and lesion type.

http://www.farmersweekly.co.za/article.aspx?id=40157&h=Dealing-with-Osteochondritis-dissecans-(OCD