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Amyloid Intracerebral Hemorrhage - Case 1

A 88 year old man presented with confusion and left sided weakness.

Show the Dark Rim of Hemosiderin     Note the Bright Signal of Methemoglobin     Show the Vasogenic Edema     Note Another Old Hemorrhage on the Left Side

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.

Revised 05/04/06.
The Electronic Curriculum is copyrighted 1998,  Case Western Reserve University School of Medicine.