Difference between CT Scan and MRI

Question

Asked for Male, 25 Years

Can you explain when a patient should go through CT Scan or MRI for brain stroke ? MRI costs much more than CT Scan. Untill and unless the advantages and use-cases of MRI is properly explained to us , it is not satisfactory to go for a expensive investigation. Please explain the use cases for CT Scan , CTA , MRI and MRA.

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Dr Atul Kr Pandey Neurologist 10 yrs exp Lucknow Consult Now · Accepted Answer

Dr Atul Kr Pandey

Neurologist 10 yrs exp Lucknow

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In a CT in a case of ischemic stroke the findings might take days to appear but in an MRI it will be apparent in first 30 minutes So the diagnosis is very prompt and early interventions can be taken in case of a stroke

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and angiography studies such as CTA and MRA are utilised to see blood vessel wall and amount of stenosis also any aneurysm

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