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Abstract #1351

Gadolinium-DTPA-enhanced MR imaging of brain tumors: comparison with T1-Cube and 3D fast spoiled gradient recall acquisition in steady state sequences

Mungunkhuyag Majigsuren1,2, Takashi Abe2, and Masafumi Harada2

1Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia, 2The University of Tokushima, Tokushima, Japan

We compared the gadolinium enhancement characteristics of a heterogeneous population of brain tumors imaged by T1-Cube and 3D FSPGR at 3T MRI with time-dependent changes. A totally 91 lesions from 52 patients with brain tumors in 3T MRI. Fifty-one of the 91 lesions (56.04%) were depicted with T1-Cube first, and 40 lesions (43.96%), with 3D FSPGR first. 3D FSPGR images would be expected to exhibit greater enhancement than T1-Cube images. However, the overall mean CNR values were higher on T1-Cube images with both order sequences. We suggest the superiority of T1-Cube to 3D FSPGR for the detection of metastatic lesions.

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