SPECT studies (99mTc HMPAO : 795 MBq) of the brain were performed following technetium HMPAO infusion with mental stimulation.
The studies show moderate diffuse hypoperfusion of the left superior temporal cortex extending form the anterior pole of the posterior temporal region is also mild left superior frontal and parietal cortical hypoperfusion. Perfusion of the right cerebral cortex appears normal. In the cerebellar and is mildly reduced right cerebellar cortical perfusion consistent with diaschisis from the left cerebral cortex.
Basal ganglia are in brainstem perfusion is normal.