Not All Green Is Tophi: The Importance of Optimizing Minimum Attenuation and Using a Tin Filter to Minimize Clumpy Artifacts on Foot and Ankle Dual-Energy CT
Eun Hae Park, Wan‐Hee Yoo, You Seon Song, Jung Hee Byon, Jongjun Pak, Yun‐Jung Choi
Abstract
Clumpy artifacts occurred frequently in DECT without a tin filter. Setting the minimum attenuation to the higher value of 150 HU reduced the frequency of clumpy artifacts, and adding a tin filter to DECT greatly reduced their occurrence.
Topics & Concepts
MedicineAttenuationArtifact (error)Nuclear medicineFilter (signal processing)RadiologyPhysicsOpticsArtificial intelligenceComputer visionComputer scienceAdvanced X-ray and CT ImagingRadiation Dose and ImagingMedical Imaging Techniques and Applications