Reducing Variability of Radiation Dose in CT: The New Frontier in Patient Safety

Lee, Ryan K.; Sun, Joel Y.; Lockerby, Samantha; Soltycki, Eric; Matalon, Terence A.S.

doi:10.1016/j.jacr.2017.10.009

Cited by 8 publications

(4 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A reduction in the CT radiation dose in cancer patients, particularly those with HCC, is important for multiple reasons. Primarily, this approach serves to mitigate the potential risks of radiation-induced side effects, notably reducing the likelihood of cataract development and the onset of malignant tumors in organs sensitive to radiation [15]. Additionally, the reduction in radiation dose enables safer and more frequent imaging examinations.…”

Section: Discussionmentioning

confidence: 99%

Qualitative and Quantitative Evaluation of the Image Quality of MDCT Multiphasic Liver Scans in HCC Patients

Sayed,

Rawashdeh,

Safwany

et al. 2024

Preprint

View full text Add to dashboard Cite

Background: The quality of CT images obtained from hepatocellular carcinoma (HCC) patients is complex, affecting diagnostic accuracy, precision, and radiation dose assessment due to increased exposure risks. Objectives: The study evaluated image quality qualitatively and quantitatively by comparing quality levels with an effective radiation dose to ensure acceptable quality accuracy. Materials and Methods This study retrospectively reviewed 100 known HCC patients (Li-RADS-5) who underwent multidetector computed tomography (MDCT) multiphasic scans for follow-up of their health condition between January and October 2023. The evaluation involved quantitative and qualitative analyses of parameters such as SD, SNR, and CNR, as well as a qualitative assessment by two radiology consultants. The outcomes were compared, and the effective dose was calculated and compared with both quantitative and qualitative assessments of image quality. Results: ROC curve analysis revealed significant differences in CT image quality, with high to moderate specificity and sensitivity across all the quantitative parameters. However, multivariate examination revealed decreasing importance levels, except for the CNR (B, 0.203; p = 0.001) and SD BG (B, 0.330; p = 0.002), which increased in B. The CNR and SD BG remained independent variables for CT image quality prediction, but no statistically significant relationship was found between the effective dose and image quality, either quantitatively or qualitatively. Conclusion: This study underscores the vital role of both quantitative and qualitative assessments of CT images in evaluating their quality for patients with HCC and highlights the predictive importance of the CNR, SNR, and SD. These findings emphasize the value of these devices in assessing and predicting outcomes to minimize the effective dose.

show abstract

Section: Discussionmentioning

confidence: 99%

Qualitative and Quantitative Evaluation of the Image Quality of MDCT Multiphasic Liver Scans in HCC Patients

Sayed,

Rawashdeh,

Safwany

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

“…Despite years of efforts and strong motivation to control it, widespread unexplained variation in CT radiation dose has persisted since it was first recognized nearly 2 decades ago [20][21][22] and has been identified as a worldwide phenomenon [23]. Early generations of CT scanners were manually controlled by the operator through the adjustment of dose control parameters-primarily tube current and voltage, leading to widespread overdosing of smaller patients [20,24,25].…”

Section: Case Study: Widespread Unexplained Variability In Ct Radiation Dosementioning

confidence: 99%

“…These ATCM algorithms incorporated prediction, optimization, and control models. Many now assumed the problem was solved; unfortunately, this was not the case [21,22] because of a number of process control deficits (Fig. 2).…”

Section: Case Study: Widespread Unexplained Variability In Ct Radiation Dosementioning

confidence: 99%

“…Research articles continue to be published sharing the "discovery" of unexplained wide variation in radiation dose [21][22][23], implying that the journals' readers had assumed that CT radiation doses do not vary widely. This assumption is anathema to students of quality control, who recognize that unnecessary variation almost always exists in the absence of quality control mechanisms [11].…”

Section: Case Study: Widespread Unexplained Variability In Ct Radiation Dosementioning

confidence: 99%

See 1 more Smart Citation

Imaging Quality Control in the Era of Artificial Intelligence

Larson

Boland

2019

Journal of the American College of Radiology

View full text Add to dashboard Cite

Use of radiation dose index monitoring software in a multicenter environment for CT dose optimization

et al. 2018

View full text Add to dashboard Cite

Reducing Variability of Radiation Dose in CT: The New Frontier in Patient Safety

Cited by 8 publications

References 20 publications

Qualitative and Quantitative Evaluation of the Image Quality of MDCT Multiphasic Liver Scans in HCC Patients

Qualitative and Quantitative Evaluation of the Image Quality of MDCT Multiphasic Liver Scans in HCC Patients

Imaging Quality Control in the Era of Artificial Intelligence

Use of radiation dose index monitoring software in a multicenter environment for CT dose optimization

Contact Info

Product

Resources

About