Principles and Applications of Dual-Layer Spectral CT in Gastrointestinal Imaging

Author:

Franco Paolo Niccolò1ORCID,Spasiano Chiara Maria2,Maino Cesare1ORCID,De Ponti Elena3,Ragusi Maria1,Giandola Teresa1,Terrani Simone4,Peroni Marta4,Corso Rocco1,Ippolito Davide15ORCID

Affiliation:

1. Department of Diagnostic Radiology, Fondazione IRCCS San Gerardo dei Tintori, Via Pergolesi 33, 20900 Monza, Italy

2. Department of Diagnostic Radiology, Istituti Clinici Zucchi, Via Zucchi 24, 20900 Monza, Italy

3. Department of Medical Physics, Fondazione IRCCS San Gerardo dei Tintori, Via Pergolesi 33, 20900 Monza, Italy

4. Philips Healtcare, Viale Sarca 54, 20126 Milano, Italy

5. School of Medicine, Università Milano-Bicocca, Piazza dell’Ateneo Nuovo, 1, 20100 Milano, Italy

Abstract

The advance in technology allows for the development of different CT scanners in the field of dual-energy computed tomography (DECT). In particular, a recently developed detector-based technology can collect data from different energy levels, thanks to its layers. The use of this system is suited for material decomposition with perfect spatial and temporal registration. Thanks to post-processing techniques, these scanners can generate conventional, material decomposition (including virtual non-contrast (VNC), iodine maps, Z-effective imaging, and uric acid pair images) and virtual monoenergetic images (VMIs). In recent years, different studies have been published regarding the use of DECT in clinical practice. On these bases, considering that different papers have been published using the DECT technology, a review regarding its clinical application can be useful. We focused on the usefulness of DECT technology in gastrointestinal imaging, where DECT plays an important role.

Publisher

MDPI AG

Subject

Clinical Biochemistry

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