Two-tiered approach to MRI for headache: a cost-effective way to use an expensive technology.


OBJECTIVE The purpose of this study was to compare the diagnostic efficacy and cost implications of a proposed two-tiered approach to MRI in patients with headache. MATERIALS AND METHODS We identified 245 consecutive patients with headache using MRI studies performed at a tertiary care facility between October 2009 and July 2011. Three radiologists… (More)
DOI: 10.2214/AJR.12.10238


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