Journal of the American College of Radiology : JACR
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Comparative Study
Comparison of standard-dose vs low-dose attenuation correction CT on image quality and positron emission tomographic attenuation correction.
To determine if low-dose attenuation correction computed tomography (CTAC) 1) provides images with acceptable anatomic definition and noise compared with standard-dose CTAC and 2) provides acceptable positron emission tomographic attenuation correction. ⋯ Low-dose CTAC significantly reduced the effective dose while providing optimal positron emission tomographic attenuation correction. However, because of decreased image quality, low-dose CTAC was not acceptable for diagnostic interpretation.