Figure 1: Transcutaneous ultrasonograms of a longitudinal-oblique section of the dorsolateral hip region showing (a) the luxated femoral head and (b) the corresponding acetabulum in craniodorsal coxofemoral luxation. 1 Acetabulum, 2 Fossa acetabuli, 3 Femoral head, 4 Gluteal muscle. Bar = 2 cm.