Detector-based spectral computed tomography is a novel dual-energy CT technology that
employs two layers of detectors to simultaneously collect low-and high-energy data in all …

Multienergy CT involves acquisition of two or more CT measurements with distinct energy
spectra. Using the differential attenuation of tissues and materials at different x-ray energies …

In x‐ray computed tomography (CT), materials with different elemental compositions can
have identical CT number values, depending on the mass density of each material and the …

Purpose To determine the accuracy of dual-energy computed tomographic (CT) quantitation
in a phantom system comparing fast kilovolt peak–switching, dual-source, split-filter …

Dual-energy CT (DECT) is a tremendous innovation in CT technology that allows creation of
numerous imaging datasets by enabling discrete acquisitions at more than one energy level …

Background Dual-energy CT allows virtual noncontrast (VNC) attenuation and iodine
density measurements from contrast material–enhanced examination, potentially enabling …

Background Accurate CT attenuation and diagnostic quality of virtual noncontrast (VNC)
images acquired with photon-counting detector (PCD) CT are needed to replace true …

Dual-energy computed tomography (DECT) uses different energy spectrum x-ray beams for
differentiating materials with similar attenuation at a certain energy. Compared with single …

Spectral CT adds a new dimension to radiological evaluation, beyond assessment of
anatomical abnormalities. Spectral data allows for detection of specific materials, improves …

Purpose To evaluate virtual-non-contrast (VNC) images obtained from clinical triphasic
scans with a dual-layer spectral computed tomography system regarding accuracy of iodine …