Image quality of photon-counting detector CT virtual monoenergetic and polyenergetic reconstructions for head and neck CT angiography

被引：6
作者：
Spampinato, Maria Vittoria [1 ]
Rodgers, Jeffrey [2 ]
McGill, Liam J. [1 ]
Schoepf, Uwe Joseph [1 ]
O'Doherty, Jim [1 ,3 ]
机构：
[1] Med Univ South Carolina, Dept Radiol & Radiol Sci, 96 Jonathan Lucas St, Charleston, SC 29425 USA
[2] Med Univ South Carolina, Coll Med, 171 Ashley Ave, Charleston, SC 29425 USA
[3] Siemens Med Solut, 40 Liberty Blvd, Malvern, PA 19355 USA
来源：
CLINICAL IMAGING | 2024年 / 108卷
关键词：
Photon-counting detector CT; CT angiography; Cerebrovascular diseases; Image quality; COMPUTED-TOMOGRAPHY;
D O I：
10.1016/j.clinimag.2024.110081
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
We compared image quality of head and neck CT angiography (CTA) obtained with a photon-counting detector CT (PCD-CT), including virtual monoenergetic images and polyenergetic reconstructions, and conventional energy-integrating detectors CT (EID-CT) in three patients. PCD-CT monoenergetic reconstructions at 70 keV and lower provided excellent image quality, with improved signal-to-noise and contrast-to-noise compared to EID-CT and PCD-CT polyenergetic reconstructions. PCD-CT may enable radiation dose and iodinated contrast dose reduction for cerebrovascular imaging.
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页数：5
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