Obese patient imaging: Potential dose reduction with photon-counting CT.

Leening P Liu¹, Kai Mei¹, Shobhit Sharma², Steven Ross², Sandra S Halliburton³, Richard Thompson³, Naruomi Akino⁴, Ali H Dhanaliwala¹, Leonid Roshkovan¹, Harold I Litt^1,5, Peter B Noël¹

¹Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

²Canon Medical Research USA, Vernon Hills, Illinois, USA.

³Canon Healthcare USA, Cleveland, Ohio, USA.

⁴Canon Medical Systems Corporation, Otawara, Japan.

⁵Cleveland Clinic Foundation, Weston, Florida, USA.

PubMed DOI

Abstract

BACKGROUND: Photon-counting CT (PCCT) offers key advantages over energy integrating detector CT (EID-CT), especially in low-dose scans and imaging larger patients. As obesity rates rise, minimizing image noise is critical for diagnostic accuracy. PURPOSE: To evaluate the dose efficiency of cadmium-zinc-telluride (CZT) based PCCT compared to EID-CT across phantom sizes. METHODS: A patient-specifi…

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