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Remote Intracerebral Hemorrhage - Case 3

A 77 year-old man presented with focal seizures affecting the right body. There was a history of an intracerebral hemorrhage four years earlier.

Show the Dark Signal on T1                                                      Show the Dark Signal on T2

(Left) Axial T1 weighted MRI; (Right) T2 axial weighted MRI.  Note the lesion in the left basal ganglia which is dark on both T1 and T2 weighted images. This is consistent with hemosiderin, the residual from old blood. To learn more, review the powerpoint slide show, Blood on MRI: Time-dependent Changes. In this case, the hemorrhage was due to hypertension. 

Revised 05/02/06.
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