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subdural hematoma

A subdural hematoma is a blood clot around the surface of the brain, and below the dura mater (tough convering of the brain).  When it is old (chronic, over 3 weeks) it can often be removed with a small burr hole, but when fresh (acute, several hours to several days), a craniotomy (opening of the skull) is often needed.

In the accompanying MRI of the brain, the subdural hematoma can be seen in white, compressing the brain, and shifting it to the side opposite the hematoma.



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