Small Animal - University of Minnesota

Elbow OsteochondrosisRadiographic findings:• Subchondral defect inmedial condyle• Subchondral sclerosis• Rarely see mineralizedflap• Craniolateral-caudomedial oblique• Secondary osteoarthritisStifle Osteochondrosis• Males affected more thanfemales• 5-77 months• Large breeds – Great Dane,Retrievers, Newfoundlands, , GSD• Least common manifestation• Often bilateralStifle OsteochondrosisRadiographic findings:• Commonly lateralfemoral condyle• Defect or flattening inarticular surface• Subchondral sclerosis• Intracapsular swelling• Mineralized flap• Secondary osteoarthritisTarsal Osteochondrosis• Males and females equallyaffected• 6-12 months• Large breeds – Rottweilers,Labradors• Third most commonmanifestation• 40% bilateralTarsal OsteochondrosisRadiographic findings:• Medial trochlear ridge mostcommon• DP and flexed lateral views• Widening of joint space• Flat or malshapenedtrochlear ridge• Subchondral sclerosis• Caudal mineralized flap• Secondary osteoarthritis• Tibiotarsal swellingRetained CartilaginousCore• OC of the distal ulnar physis• 6-12 months• Large and giant breeds – SaintBernard, Great Dane, Setters• Often incidental• May present with angular limbdeformity