Abstract
Brain MRI examination using contrast media can improve detection of brain metastases. The fat saturation technique is recommended to suppress large amounts of signals from fat and improve contrast enhancement. The purpose of this study was to determine the differences in SNR values and anatomical image information on post-contrast Brain examination between T1-Weighted Spin Echo and T1-Weighted SPIR sequences in metastatic cases. The study is a quantitative experimental. The results of the study were obtained based on Radiologist’s assessment and SNR measurement from gray matter, white matter, ventricular, cerebrospinal fluid, and pathological lesions. Analysis of this research data using the Wilcoxon sign rank test statistic. There is a significant difference between the SNR value of the two sequences. The results in anatomical information showed no difference. T1W sequence Spin echo had better visualization in gray matter, and white matter, while T1W SPIR sequence had advanced in pathological lesions appearance.
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