Figure 1From: Acute non-ambulatory tetraparesis with absence of the dens in two large breed dogs: case reports with a radiographic study of relativesLateral (A) and ventrodorsal (B) radiographs of the cranial cervical vertebrae of dog 1. An absence of the dens of C2, but no signs of atlantoaxial subluxation. The broken line inserted on the ventrodorsal view (B) indicates the border for a normal dens.Back to article page