Osteoarthritis, pastern joint, horse

Osteoarthritis, pastern joint, horse

Dorsopalmar radiographic view of the distal limb of a horse with high ringbone (ie, advanced osteoarthritis of the pastern joint), showing many of the typical radiographic signs of osteoarthritis, including loss of joint space, subchondral sclerosis and lysis, periarticular new bone formation, and soft tissue swelling.

Courtesy of Dr. Stephen Adams.