Figure 2.
Transaxial, coronal, and sagittal slices of reconstructed SPECT image with different correction schemes: (A) End-Diastolic Phase, (B) End-Systolic Phase. CG: no physical corrections, CG + AC: attenuation correction only, CG + AC + SC: attenuation and scatter correction, DG + AC + SC: respiratory gating, attenuation and scatter correction, DG + AC + SC + PVC: Dual-gating, attenuation, scatter, and partial volume correction (FC fully corrected), and FC fused with CECT: fully corrected dataset fused with co-registered, phase-matched contrast-enhanced CT. Fully corrected dataset (DG + AC + SC + PVC) provides images with superior quality, enhanced contrast/resolution and sharp functional boundaries.