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Fig. 1 | EJNMMI Research

Fig. 1

From: Quantitative and clinical impact of MRI-based attenuation correction methods in [18F]FDG evaluation of dementia

Fig. 1

Typical bone artifacts found in attenuation maps from PET/MRI. a DixonBone attenuation map with large infiltrative bone segment. Attenuation maps like this were only included in the study if the patient had a second acquisition yielding b an artifact-free attenuation map. c DixonBone attenuation map with artifact in the upper right corner, which could be d manually removed. e UTE attenuation map with smaller bone segments inside the brain nearby the anterior ventricles. These were not removed

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