Article Figures & Data
Tables
Radiologic Procedure ACR Rating
2012*ACR Rating
2015*ACR Rating
2021MRI without contrast 8 9 Usually appropriate CT head without contrast 6 7 Usually appropriate Tc-99m HMPAO SPECT 4 1 Usually not appropriate FDG-PET 4 2 Usually not appropriate fMRI 2 2 Usually not appropriate DTI Not featured 1 Usually not appropriate MRS Not featured 2 Usually not appropriate ↵* Rating Scale: 1-3, usually not appropriate; 4-6, may be appropriate; 7-9, usually appropriate.
