Strategies for Reducing Radiation Dose in CT

McCollough, Cynthia H.; Primak, Andrew N.; Braun, Natalie; Kofler, James; Yu, Lifeng; Christner, Jodie

doi:10.1016/j.rcl.2008.10.006

Cited by 843Radiation Dose and ImagingAdvanced Radiotherapy TechniquesDigital Radiography and Breast Imaging

Strategies for Reducing Radiation Dose in CT

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McCollough, Cynthia H., Primak, Andrew N., Braun, Natalie, Kofler, James, Yu, Lifeng, Christner, Jodie·2009·Radiologic Clinics of North America

DOI 10.1016/j.rcl.2008.10.006PMC PMC2743386

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Abstract

In recent years, the media has focused on the potential danger of radiation exposure from CT, even though the potential benefit of a medically indicated CT far outweighs the potential risks. This attention has reminded the radiology community that doses must be as low as reasonably achievable (ALARA) while maintaining diagnostic image quality. To satisfy the ALARA principle, the dose reduction strategies described in this article must be well understood and properly used. The use of CT must also be justified for the specific diagnostic task.

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In 2009, the FDA reported that patients who underwent a CT scan of the brain exhibited band-like hair loss and issued a warning regarding excessive radiation dose.
“In 2009, the Food and Drug Administration (FDA) reported that patients who underwent a CT scan of the brain exhibited band-like hair loss and, therefore, issued a warning regarding the excessive radiation dose that patients are subjected to [12].”
From A Novel Singular Value Decomposition-Based Denoising Method in 4-Dimensional Computed Tomography of the Brain in Stroke Patients with Statistical Evaluation (2020) · cites this paper as [12]

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[5]The Associated Press Report Links Increased Cancer Risk to CT Scans New York Times November 29 2007
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Authors: McCollough, C. H., Primak, A. N., Braun, N., Kofler, J., Yu, L., & Christner, J.
Affiliations: Mayo Clinic (US)
Corresponding author: McCollough, Cynthia H.
ORCID: McCollough, Cynthia H.
Primak, Andrew N.
Yu, Lifeng
Venue: Radiologic Clinics of North America
Publisher: Elsevier BV
Published: 2009-01
Volume: 47
Issue: 1
Pages: 27-40
ISSN: 0033-8389 (ISSN-L)
DOI: 10.1016/j.rcl.2008.10.006
PMC: PMC2743386
OpenAlex: W2020820596
Cited by: 842
References: 98
Citations by year: 2026: 37 · 2025: 48 · 2024: 33 · 2023: 21 · 2022: 39 · 2021: 51 · 2020: 44 · 2019: 39 · 2018: 71 · 2017: 54 · 2016: 82 · 2015: 62 · 2014: 55 · 2013: 43 · 2012: 58
FWCI: 7.74
Type: journal article
Language: en
Open access: green
www.ncbi.nlm.nih.gov
Licence: www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations: Radiologic Clinics of North America (publishedVersion)
PubMed (publishedVersion)
PubMed Central (acceptedVersion)
Funders: National Institute of Biomedical Imaging and Bioengineering (R01EB007986)
Topics: Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiation Dose and Imaging
Physical Sciences › Physics and Astronomy › Radiation › Advanced Radiotherapy Techniques
Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Digital Radiography and Breast Imaging
Keywords: CT dose reduction, low-dose CT, ALARA principle, radiation risk, diagnostic quality, radiation protection
MeSH terms: Humans, Radiation Dosage, Radiation Injuries, Radiation Protection, Radiometry, Tomography, X-Ray Computed

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