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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Nucl Med Biol. 2013 Feb 9;40(3):321–330. doi: 10.1016/j.nucmedbio.2012.12.003

Figure 3.

Figure 3

Spatial resolution vs. distance above, below and on the PPI image mid-plane for three different cone angles and an energy window of 250–650 keV. Sensitivities for each angle are also noted. For a cone angle of 3.5 degrees and mice less than 2Dmax = 3-cm thick, PPI spatial resolution will be at least as good as single photon imaging with MONICA and sensitivity higher. Curve fits use the functional form shown in Equation 1 (see text).