Coronary calcium scoring potential of large field-of-view spectral photon-counting CT: a phantom study.

ABSTRACT:

Objective

The aim of the current study was, first, to assess the coronary artery calcium (CAC) scoring potential of spectral photon-counting CT (SPCCT) in comparison with computed tomography (CT) for routine clinical protocols. Second, improved CAC detection and quantification at reduced slice thickness were assessed.

Methods

Raw data was acquired and reconstructed with several combinations of reduced slice thickness and increasing strengths of iterative reconstruction (IR) for both CT systems with routine clinical CAC protocols for CT. Two CAC-containing cylindrical inserts, consisting of CAC of different densities and sizes, were placed in an anthropomorphic phantom. A specific CAC was detectable when 3 or more connected voxels exceeded the CAC scoring threshold of 130 Hou

SUBMITTER: van der Werf NR 

PROVIDER: S-EPMC8660747 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature