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EJNMMI Physics
Figure 6 | EJNMMI Physics

Figure 6

From: Impact of injection dose, post-reconstruction filtering, and collimator choice on image quality of myocardial perfusion SPECT using cadmium-zinc telluride detectors in the rat

Figure 6

Polar maps of myocardial perfusion SPECT with various injection doses (range: 25 to 200 MBq). In the same healthy rats illustrated in Figure 2. Each rat was imaged twice; one with the standard (STD) pinhole collimator (left three panels) and the other with the high-sensitivity (HS) pinhole collimator (right three panels) with or without post-reconstruction filtering. G1.5 mm indicates Gaussian filter of 1.5-mm kernel size; G2.5 mm, Gaussian filter of 2.5-mm kernel size.

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