GE’s ASIR cuts CT dose
A type of iterative reconstruction may reduce patient radiation dose from CT scans up to 65%, according to a study published in the September issue of the American Journal of Roentgenology.
GE’s ASIR cuts CT dose
A type of iterative reconstruction may reduce patient radiation dose from CT scans up to 65%, according to a study published in the September issue of the American Journal of Roentgenology. The technique, called adaptive statistical iterative reconstruction (ASIR) by its developer, GE Healthcare, reduces noise in the image, allowing a downward adjustment in radiation dose to obtain standard diagnostic quality images. Researchers at the Mayo Clinic Arizona in Scottsdale found nearly identical image quality using the reduced dose CT method with ASIR compared with the standard dose CT method without ASIR in CT scans on a phantom and 12 patients. Patient radiation doses were reduced up to 65% using the low-dose IR method, they said. The average dose delivered during the low-dose CT with IR was 470 mGy; the average dose delivered using the standard dose CT without IR was 894 mGy.
Newsletter
Stay at the forefront of radiology with the Diagnostic Imaging newsletter, delivering the latest news, clinical insights, and imaging advancements for today’s radiologists.
The Reading Room Podcast: A Closer Look at Remote MRI Safety, Part 2
July 25th 2025In the second of a multi-part podcast episode, Emanuel Kanal, M.D. and Tobias Gilk, MRSO, MRSE, share their perspectives on remote MRI safety protocols for ensuring screening accuracy and adherence to conditional implant guidelines as well as a rapid and effective response to adverse events.
Study Reveals Significant Prevalence of Abnormal PET/MRI and Dual-Energy CT Findings with Long Covid
July 22nd 2025In a prospective study involving nearly 100 patients with Long Covid, 57 percent of patients had PET/MRI abnormalities and 90 percent of the cohort had abnormalities on dual-energy CT scans.
