Fractures involving the palmar surfaces of the carpal bones have been seen with increasing frequency due to a better awareness of these fractures and the increasing use of digital radiography. The most common site is the proximal palmar surface of theradial carpal bone, and the articular surfaces of the accessory carpal bone. Many of these fractures are associated with crush injury when the horses fall with the carpus fully flexed. Fractures involving the palmar surface of the bones of the middle carpal joint seem to be less debilitating and are often more chronic at the time of diagnosis. Most fractures of the palmar surfaces of the carpal bones result in mild to moderate arthritis depending on the fracture location. The fractures need to be surgically removed for resolution of lameness.
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