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 Majigsuren^1,2, 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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