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TABLE 2: Results of MR readings for negative leptomeningeal metastases cases
Imaging Technique
Unenhanced FLAIR Contrast-enhanced T1-weighted MR Contrast-enhanced FLAIR
Negative 53 53 50
Positive 4 4 7
Specificity 93% (53/57) 93% (53/57) 88% (50/57)
Note.—FLAIR indicates fluid-attenuated inversion recovery.
	Imaging Technique
	Unenhanced FLAIR	Contrast-enhanced T1-weighted MR	Contrast-enhanced FLAIR
Negative	53	53	50
Positive	4	4	7
Specificity	93% (53/57)	93% (53/57)	88% (50/57)