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 Indian J Med Microbiol  
 

Figure 8 (A-D): Phantom images: PET transaxial image of image quality phantom showing no streak artifact (A) (defective scanner) reconstructed by FBP; PET transaxial image of phantom (B) (repaired scanner) reconstructed by FBP; PET transaxial image of image quality phantom showing streak artifact (C) (defective scanner) reconstructed by iterative reconstruction; PET transaxial image of phantom showing no streak artifact (D) (repaired scanner) reconstructed by iterative reconstruction

Figure 8 (A-D): Phantom images: PET transaxial image of image quality phantom showing no streak artifact (A) (defective scanner) reconstructed by FBP; PET transaxial image of phantom (B) (repaired scanner) reconstructed by FBP; PET transaxial image of image quality phantom showing streak artifact (C) (defective scanner) reconstructed by iterative reconstruction; PET transaxial image of phantom showing no streak artifact (D) (repaired scanner) reconstructed by iterative reconstruction