정상 뇌혈관 영상에서 3D-TOF 기법과 3D-CTA 기법을 이용한 정량, 정성적 비교 평가
Quantitative and Qualitative Comparative Evaluation using 3D-TOF and 3D-CTA Techniques in Normal Cerebrovascular imaging
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초록
This study was evaluated as having high diagnostic value among DSA, flow rate-enhanced magneticresonance imaging (3-D-TOF) and computed tomography angiography (3D-CTA), which are mainly used to examinecerebrovascular diseases with the second-highest mortality rate after cancer, and studied which test method is usefulthrough quantitative and qualitative comparative analysis of 3D-CTA and 3D-TOF, which are relatively safe methods. The Image J program was used to analyze the signal-to-noise ratio (SNR) and the contrast noise ratio (CNR) of3D-TOF and 3D-CTA for quantitative comparison and analysis, and the Willcoxon signed rack test program was usedto perform qualitative comparison and analysis. Data from 30 normal patients who performed 3D-TOF and 3D-CTAat University C from April 2022 to August 2022 were collected through the PACS program. The ROI was analyzed bysetting left and right M1, M2, M3, P1, P2, and P3 in 3D-TOF and 3D-CTA images, respectively, and the significanceevaluation of the analysis results was confirmed through the Independence test. As a result of quantitative evaluation,SNR and CNR measured 3D-TOF approximately 30% higher than 3D-CTA, and even in qualitative evaluation,3D-TOF was approximately twice as high as 3D-CTA. Therefore, if the patient can understand the shortcomings ofthe long test time, the 3D-TOF test method has higher diagnostic value. And it is believed that these results can beprovided as clinical basic data.
Abstract
This study was evaluated as having high diagnostic value among DSA, flow rate-enhanced magneticresonance imaging (3-D-TOF) and computed tomography angiography (3D-CTA), which are mainly used to examinecerebrovascular diseases with the second-highest mortality rate after cancer, and studied which test method is usefulthrough quantitative and qualitative comparative analysis of 3D-CTA and 3D-TOF, which are relatively safe methods. The Image J program was used to analyze the signal-to-noise ratio (SNR) and the contrast noise ratio (CNR) of3D-TOF and 3D-CTA for quantitative comparison and analysis, and the Willcoxon signed rack test program was usedto perform qualitative comparison and analysis. Data from 30 normal patients who performed 3D-TOF and 3D-CTAat University C from April 2022 to August 2022 were collected through the PACS program. The ROI was analyzed bysetting left and right M1, M2, M3, P1, P2, and P3 in 3D-TOF and 3D-CTA images, respectively, and the significanceevaluation of the analysis results was confirmed through the Independence test. As a result of quantitative evaluation,SNR and CNR measured 3D-TOF approximately 30% higher than 3D-CTA, and even in qualitative evaluation,3D-TOF was approximately twice as high as 3D-CTA. Therefore, if the patient can understand the shortcomings ofthe long test time, the 3D-TOF test method has higher diagnostic value. And it is believed that these results can beprovided as clinical basic data.
참고문헌 (12)
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