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A 88 year old man presented with confusion and left sided weakness.
T2 weighted axial MRI scan shows a large subacute hemorrhage in the right frontal-parietal lobe. The characteristics of blood on MRI are complex and depend on timing. In this case, the black rim is hemosiderin; the white interior is methoglobin and the surrounding white area is vasogenic edema. To learn more, review the powerpoint slide show, Blood on MRI: Time-dependent Changes. In this case, the hemorrhage was due to amyloid. Amyloid associated intracerebral hemorrhage is common in very elderly individuals and often occurs as a lobar hemorrhage.
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