[1]殷小会,郭 慧,马 慧,等.增强T1-FLAIR与3D-FSPGR序列对脑转移瘤检出率对比研究[J].天津医科大学学报,2016,22(05):434-438.
　YIN Xiao-hui,GUO Hui,MA Hui,et al.Comparative study?on contrast -enhanced? T1-FLAIR and 3D-FSPGR sequences in detection of brain metastasis[J].Journal of Tianjin Medical University,2016,22(05):434-438.

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增强T1-FLAIR与3D-FSPGR序列对脑转移瘤检出率对比研究(PDF)

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Abstract:

Objective : To optimize the contrast-enhanced sequence by comparing the detection rate of brain metastases between T1-FLAIR and 3D-fast spoiled gradient-recalled (3D-FSPGR) sequences. Methods: One hundred and forty five patients underwent 3.0 T MRI examinations by contrast-enhanced T1-FLAIR and 3D-FSPGR sequences for exclusion of brain metastases. Thirty patients were diagnosed as brain metastases and each lesion in each sequence was counted, measured and classified according to its maximum measurement in any imaging plane of < 3 mm, 3-10 mm and > 10 mm. Results: Significantly more brain metastases were detected by contrast-enhanced 3D-FSPGR than T1-FLAIR (P < 0.05). Furthermore, 3D-FSPGR was superior to T1-FLAIR in detecting of the small lesions less than 3 mm (P < 0.05). Conclusion: Contrast-enhanced 3D-FSPGR sequence at 3.0 T is superior to T1-FLAIR in detection of small lesions, which may reduce the acquisition time and artifact of pulsation, and is more suitable for clinical application.

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