Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Spin echo (a) and VAT (b) images of a subject with stainless steel screws in his tibia, using identical parameters. Note the geometric distortion is completely corrected in VAT (arrows) but the through-slice signal loss and pile-up artifacts remain (bright areas in tibia).
