Evaluation of the Feasibility and Quantitative Accuracy of a Generalized Scatter 2D PET Reconstruction Method

<table>A diagram of a Compton scattering event in a patient. The two antiparallel photons are generated at the annihilation position X shown by the green dot. The unscattered photon is observed by detector A while the other photon suffers a Compton scattering event at S, deviates from its initial path by an angle <svg height="12.4375" id="M8" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 8.5874996 12.4375" width="8.5874996" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M475 507q0 -83 -20 -172t-56 -167.5t-93.5 -129t-125.5 -50.5q-157 0 -157 227q0 78 21.5 164t59 161t96.5 123.5t126 48.5q79 0 114 -58t35 -147zM391 522q0 155 -81 155q-62 0 -111 -82.5t-73 -200.5h253q12 81 12 128zM373 346h-255q-12 -91 -12 -150q0 -72 20 -123
t63 -51q34 0 64 28.5t52.5 77t39 103t28.5 115.5z" id="x1D703"></path></g>
</svg>, and is detected by detector B. This figure also illustrates the two circular arcs (TCA), shown as blue dotted curves, which describe the locus of possible scattering locations for the scattered photon and which enclose the annihilation position.</table>

International Scholarly Research Notices

fig1

Figure 1

Figure 1: Evaluation of the Feasibility and Quantitative Accuracy of a Generalized Scatter 2D PET Reconstruction Method 