Osteoarthritis, proximal interphalangeal joint, radiograph, horse

Osteoarthritis, proximal interphalangeal joint, radiograph, horse

Radiographic image showing marked chronic osteoarthritis of the proximal interphalangeal joint with a probable prior avulsion fracture of distolateral P2. Osteolysis and loss of joint space are visible medially (arrow).

Courtesy of Dr. Matthew T. Brokken.