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CT dense MCA

CT dense MCA
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This is a head CT from a person who has recently begun to show symptoms of a severe left MCA stroke. As CT does not show tissue changes in the first several hours, the brain parenchyma appears normal even though it is infarcting. What can be seen sometimes, and is seen in this image, is an unusually radiodense appearance of the left middle cerebral artery. The clotted blood in this artery gives it a brighter white appearance than the right MCA.

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