Attenuation Correction for Small Animal PET Images: A Comparison of Two Methods

<table>Counts profile across the mouse tumour for the uncorrected <svg height="15.8375" id="M66" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 21.1625 15.8375" width="21.1625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.017,-0,0,-.017,12.112,15.775)"><path d="M493 503l-29 -4q-13 56 -28 80q-13 22 -35.5 29.5t-78.5 7.5h-76q-22 0 -27.5 -5t-5.5 -27v-238h103q66 0 82.5 12t25.5 62h29v-193h-29q-9 54 -25.5 67t-82.5 13h-103v-181q0 -64 15 -78.5t84 -19.5v-28h-272v28q61 5 74.5 19.5t13.5 78.5v399q0 64 -13 78t-72 19v28
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</svg>-FDG PET image (thick line) and for the two corrected images (full and dotted lines refer to CT-AC and SE-AC images, resp.) The peak on the right side of the profile is relative to the tumour. The image on the right shows the profile position.</table>

Computational and Mathematical Methods in Medicine

fig12

Figure 12

Figure 12: Attenuation Correction for Small Animal PET Images: A Comparison of Two Methods 