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Abstract #2661

Can scans with different TR be combined to improve UTEĀ  T2* measurements?

Dirk H.J. Poot1,2, Paul Baron1, and Juan A. Hernandez-Tamames1

1Department of radiology and nuclear medicine, Erasmus MC, Rotterdam, Netherlands, 2Department of medical informatics, Erasmus MC, Rotterdam, Netherlands

We investigated combining UTE sequences with different TR without requiring knowledge of T1, to enable increasing the number of short TE scans for T2* quantification. Many short T2* tissues have multiple compartments with ultra-short and somewhat longer T2 values. To quantify both a substantial number of images with ultra-short TE and images with a substantial maximal TE are required. The large maximal TE requires relatively large TR and hence long scan times, while the ultra-short TE scans have to be acquired separately. Hence, being able to combine images with different TR would be beneficial for such studies.

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