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. Author manuscript; available in PMC: 2022 Oct 1.
Published in final edited form as: J Nucl Cardiol. 2020 Jan 2:10.1007/s12350-019-02002-5. doi: 10.1007/s12350-019-02002-5

Fig 3.

Fig 3

Mid-ventricle short axis PET images for four patients reconstructed using different MRAC-type attenuation maps. The changes in appearance of the PET images, evaluated by the qualitative image analysis were minor. Patients 1 and 2 were designated differently depending on the MRAC type used: a)-c) Diffuse-symmetrical, d) focal-on-diffuse symmetrical; e) diffuse-asymmetrical, f)-h) focal; Patients 3 and 4 were designated with the same pattern regardless of MRAC-type: i)-l) focal-on-diffuse asymmetrical; m)-p) patchy. Representative (coronal) slices through the respective MRAC maps are also shown (q-t). Color represents linear attenuation coefficient and is segmented into tissue classes: soft tissue (yellow); fat (gold/orange); lung (bright blue); background air (dark blue).