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Fig. 4 | EJNMMI Physics

Fig. 4

From: Evaluations of the performances of PET and MRI in a simultaneous PET/MRI instrument for pre-clinical imaging

Fig. 4

PET partial volume effects in the presence of the MRI instrument. a A schematic of the PVC phantom (image reproduced with permission from Phantech Medical). b A representative PET image of the phantom. c The phantom with 5.55 MBq (150 µCi) of fluorine-18 was placed in axial center of the PET insert inside and outside of the magnet. Recovery coefficients were higher when the PET scan was performed in the magnet. d The phantom with 9.25 MBq (250 µCi) of gallium-68 was placed in axial center of the PET insert inside and outside of the magnet. Recovery coefficients were higher when the PET scan was performed in the magnet

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