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TABLE 1: Results of MR readings for leptomeningeal metastases in positive CSF cases
Imaging Technique
Unenhanced FLAIR Contrast-enhanced T1-weighted MR Contrast-enhanced FLAIR
Positive 2 10 7
Negative 15 7 10
Sensitivity 12% (2/17) 59% (10/17) 41% (7/17)
Note.—FLAIR indicates fluid-attenuated inversion recovery.
	Imaging Technique
	Unenhanced FLAIR	Contrast-enhanced T1-weighted MR	Contrast-enhanced FLAIR
Positive	2	10	7
Negative	15	7	10
Sensitivity	12% (2/17)	59% (10/17)	41% (7/17)