A member asked:

Why would a ct scan obtained the 3rd day after a lacunar stroke be normal?

A doctor has provided 1 answer

It is possible: Sometimes a lacunar stroke does not appear on CT - at least for a small lacunar stroke. An MRI of the brain would be a more useful tool to determine if a stroke has occurred. A CT scan is less costly, and should always be done to evaluate stroke (for bleeding) but it may not see small changes, sometimes even 3 days later.

Answered 3/12/2020

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