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MRI-Based Attenuation Correction for PET/MRI Using Ultrashort Echo Time Sequences
433
Zitationen
6
Autoren
2010
Jahr
Abstract
The feasibility of using the transverse relaxation rate map derived from ultrashort echo time MR images for the estimation of the attenuation map was shown on phantom and clinical brain data. The results indicate that the new method, compared with CT-based attenuation correction, yields clinically acceptable errors. The proposed method does not make any assumptions about patient anatomy and could therefore also be used in cases in which anatomic abnormalities are present.
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