Fig. 2From: Correlation between osteoarthritis of the atlantoaxial facet joint and a high‐riding vertebral arteryPedicle diameter of the axis (C2) measured on axial computed tomography (CT). a Axial CT angiography. The pedicle diameter on both sides was <3.5 mm. b Axial CT myelography. The pedicle diameter on the left side was >3.5 mm, but <3.5 mm on the right sideBack to article page