EQUINE CASE STUDIES
Occupation: Show Horse
History: Chronic right fore lameness first noticed as a yearling. Posterior digital anesthesia alleviates the lameness. Suspect lytic lesions on radiographs.
Findings: Region devoid of signal on the lateral aspect of the flexor surface of the navicular bone. Increased intensity of signal within the spongiosa of the navicular bone. Roughening of the flexor surface of the navicular bone. Increased intensity of signal in an irregular pattern within navicular bone and increased signal in the region of the central eminence.