ACUTE NONHEMORRHAGIC LEFT FRONTAL INFARCT
The arrows point to the abnormality. There is loss of the normal gray/white differentiation of the cerebral cortex. Also note the loss of the normal sulcal pattern. There is loss of the normal distinct architecture of the underlying white matter. Note that there are no areas of high attenuation within this region to suggest the presence of hemorrhage. If present, it would place the patient at a high risk for anticoagulant therapy.
MATURING LEFT FRONTAL NONHEMORRHAGIC INFARCT
The arrows point to the area of more well defined low attenuation within the left frontal lobe. With loss of the normal sulcal pattern within this region. There are no areas of high attenuation to suggest the presence of hemorrhage. This is characteristic of a subacute infarct.
MATURING LEFT FRONTAL INFARCT
The arrows point to the presence of low attenuation within the left frontal region. Again is noted the absence of the normal sulcal pattern within this region, however the attenuation coefficients are progressively lower than that on the previous exam. This represents an infarct in stages of evolution. Again, there is no hemorrhage.
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