This week’s case is a 4-year-old Bernese Mountain Dog radiographed for a wound on the forelimb. Where do you usually see these in your practice?
FindingsOn radiographs taken to evaluate a wound, there is a spicule of smooth new bone protruding from the ulna at right angles to the long axis of the bone. The lesion is several centimeters proximal to the metaphysis, and is conical in shape.
There is also smooth periosteal reaction on the diaphysis of the radius. This is extending from a bone plate in the proximal radius from previous surgery (image not included).