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Changes in the basal ganglia and thalamus following reperfusion after complete cerebral ischaemia
M Fujioka1, K Okuchi, S Miyamoto
1Department of Emergency and Critical Care Medicine, Nara Medical University, Japan.
Neuroradiology
|November 1, 1994
Abstract:
We report specific changes bilaterally in the basal ganglia and thalamus following reperfusion after complete cerebral ischaemia. A 69-year-old man, resuscitated after cardiac arrest, showed symmetrical low-density lesions in the head of the caudate nucleus and lentiform nucleus on CT. MRI revealed methaemoglobin derived from minor haemorrhage in the basal ganglia and thalamus, not evident on CT. We suggest that this haemorrhage results from diapedesis of red blood cells through the damaged capillary endothelium following reperfusion.