Evaluation of Lower-Dose Spiral Head CT for Detection of Intracranial Findings Causing Neurologic Deficits.
Joel G FletcherD R DeLoneAhmed F HalaweishNorbert G CampeauVance T LehmanLifeng YuShuai LengDavid HolmesP K EdwardsMatthew P JohnsonG J MichalakRickey E CarterCynthia H McColloughPublished in: AJNR. American journal of neuroradiology (2019)
Observer performance for dose levels using 100-200 eff mAs was noninferior to that observed at 250 effective mAs with iterative reconstruction, with iterative reconstruction preserving noninferiority at a mean CT dose index of 15.2 mGy.