Degenerative joint disease with osteochondrosis of the proximal interphalangeal joint in young horses.
Degenerative joint disease of the proximal interphalangeal joint was diagnosed in 9 joint of 6 horses. All of the horses were 3 years old or younger and the affected joints were in the hindlimbs. Radiographic evidence of osteochondrosis involving the distal end of the proximal phalanx was apparent in 5 joints. Lameness and local soft tissue swelling were prominent in all cases. In 1 horse euthanatized tissues because of lameness, histologic examination of joint tissues revealed osteochondrosis as well as severe osteoarthritis. Surgical arthrodesis of the affected joint was performed on 2 horses, one of which became sound.
D000818:Animals; D001174:Arthrodesis / Q000662:veterinary; D005260:Female; D006734:Horse Diseases / Q000000981:diagnostic imaging* / Q000601:surgery; D006736:Horses; D008297:Male; D010003:Osteoarthritis / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery / Q000662:veterinary*; D010007:Osteochondritis / Q000150:complications / Q000000981:diagnostic imaging / Q000662:veterinary*; D011859:Radiography; D014033:Toe Joint / Q000000981:diagnostic imaging*