Traumatic fractures of the equine hock: a report of 13 cases.

The clinical features, radiographic findings, management and outcome in 13 cases of traumatic fracture of the hock joint are reported. The principal fracture sites were the distal tibial malleoli (5 cases), the fibular tarsal bone (4 cases), the tibial tarsal bone (3 cases) and the proximal end of metatarsal IV (one case). An additional small chip fracture of the central tarsal was noted in 2 cases. Three horses were destroyed immediately after diagnosis, 2 failed to recover following surgical intervention and one remained lame and was destroyed after 3 months' rest. Seven horses recovered completely and returned to work following periods of rest ranging from 3 to 9 months. The fracture involved the lateral or medial malleolus in 5 of these cases and the fibular tarsal in the other 2.