Volume 91 Issue 5, May 2011

The cover shows a transverse sectional plane at branch point of reconstructed high resolution CT scan through abdominal aortic wall (denser yellow) from dog with mucopolysaccharidosis-I, looking down the aortic lumen. Intimal plaques associated with branch points bulge inward and taper distally. For more information see the paper by Lyons et al on page 665.