PET/CT Facility Design - AAPM

PET/CT Facility PET/CT Facility DesignDesign2010201020102010 American College of Medical American College of Medical PhysicsPhysicsJon A. Anderson, PhD Jon A. Anderson, PhD ACMP, of RadiologyDepartment of RadiologyThe University of Texas Southwestern Medical Center at DallasThe University of Texas Southwestern Medical Center at DallasWhat Is Different When You Have PET/CT i YF ilit ? PET/CT in Your Facility ?1) 511 keV energy-increases exposure rate from doses,increases exposure rate from doses, patients-greatly increases thickness of required hi ldid t ditishielding compared to diagnostic rooms 2)Requirements for patient handling during injection and uptake phase3) Combinedmodality scanners3) Combined modality scanners ( PET/CT ) require consideration of both gamma-ray and x-ray hazardsACMP, You can affect neighboring modalitiesThe 18F-Injected Patient as a Source (f diffii2003)(average of different investigators, 2003 ) ( Sv/hr) (mrem/hr)/mCiall at 1 m from surface of body average value (mrem/hr)/mCibody, average value from several investigatorsLt ( Sv/hr) (mrem/hr) ( Sv/hr) (mr

The 18F-Injected Patient as a Source (average of diff i i 2003f different investigators, 2003) 0.075 ( Sv/hr)/MBq0.279 (mrem/hr)/mCi all at 1 m from surface of body average value from Superior 0.279 (mrem/hr)/mCi body, average value from several investigators

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