Would a CT scan of the brain show abnormalities or would an MRI be the better of the two? If white areas are shown does this mean there is some damage or blockage to vessels to the brain. Is a carotid doppler efficient enough to show up problems i.e plaque buildup?
Usually speaking MRI is better than CT for any brain evaluation. Carotid doppler is indicated to look at the extracranial carotid arteries for atherosclerotic plaques. and usually it is good enough. If there is any doubt on doppler study further evaluation may be indicated.
Or if the physician feels that there is problem in the intracranial vasculature then may physician may advise an MRA brain.
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