Figure 1. Two ventrodorsal views of the pelvis of a one-year-old Domestic Medium Haired Cat presenting with acute onset left hind limb lameness. Note that on the hip extended view on the left, the slipped capital femoral epiphysis is difficult to appreciate with very mild displacement and slight widening of the physis (green arrow), while on the frog-leg view on the right the displacement of the L-shaped physis is moderate and easily observed (yellow arrow).

CPD article: Fractures of the femur

Radiographic assessment should include, as a minimum, mediolateral and craniocaudal views of both femurs. The craniocaudal view can be obtained either by extending the limb with the animal in dorsal...