Imaging Findings of Peripheral Arterial Disease on Lower-Extremity CT Angiography Using a Virtual Monoenergetic Imaging Algorithmopen access가상의 단일 에너지 영상 재구성 기법을 이용한 하지 단층촬영 혈관조영술에서 말초 동맥 질환 영상 소견
- Other Titles
- 가상의 단일 에너지 영상 재구성 기법을 이용한 하지 단층촬영 혈관조영술에서 말초 동맥 질환 영상 소견
- Authors
- Kim, Jun Seong; Park, So Hyun; Park, Suyoung; Hwang, Jung Han; Kim, Jeong Ho; Pak, Seong Yong; Lee, Kihyun; Schmidt, B.
- Issue Date
- Sep-2022
- Publisher
- Korean Radiological Society
- Keywords
- Computed Tomography; Lower Extremity; Peripheral Arterial Disease; X-Ray
- Citation
- Journal of the Korean Society of Radiology, v.83, no.5, pp.1032 - 1045
- Journal Title
- Journal of the Korean Society of Radiology
- Volume
- 83
- Number
- 5
- Start Page
- 1032
- End Page
- 1045
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/85984
- DOI
- 10.3348/jksr.2021.0191
- ISSN
- 1738-2637
- Abstract
- Peripheral arterial disease (PAD) is common in elderly patients. Lower-extremity CT angiography (LE-CTA) can be useful for detecting PAD and planning its treatment. PAD can also be accurately evaluated on reconstructed monoenergetic images (MEIs) from low kiloelectron volt (keV) to high keV images using dual-energy CT. Low keV images generally provide higher contrast than high keV images but also feature more severe image noise. The noise-reduced virtual MEI reconstruction algorithm, called the Mono+ technique, was recently introduced to overcome such image noise. Therefore, this pictorial review aimed to present the imaging findings of PAD on LE-CTA and compare low and high keV images with those subjected to the Mono+ technique. We found that, in many cases, the overall and segmental image qualities were better and metal artifacts and venous contamination were decreased in the high keV images. © 2022 The Korean Society of Radiology.
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