The case for today is a 4-month-old DLH male kitten presented for non-weight bearing lameness of the left forelimb. Original images (1 and 2) and 4-week recheck images (3-5) are available. Post your interpretations in the comments section.
At presentation: There is marked, diffuse soft tissue swelling of the left forelimb. The physis of the distal radius has a radiolucent line just proximal to it.
4 weeks later: The soft tissue swelling is decreased in comparison to the previous radiographs. Both proximal and distal growth plates of the radius are closed. There is well defined new bone formation, especially at the proximal diaphysis of the radius spreading to the mid diaphyseal region. The mid region shows no periosteal bone formation. There is, to a lesser degree, periosteal new bone formation visualized at the distal part of the radius and epiphysis. The underlying cortex of the proximal radius is not clearly visualized and there is radiolucency visualized within the cortex and medulla. There is a clear incongruency of the elbow joint. There is excessive periosteal new bone formation on the medial aspect of the of the proximal radius.
- physeal fracture
- septic physitis
Osteomyelitis secondary to physitis or fracture. The original incident was not defined. The cat recovered well with antibiotic therapy.