Presentation
Unconcious.
Patient Data
Age: 50 years
Gender: Male
From the case:
Middle cerebral artery hyperacute infarct
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Loss of grey-white matter differentiation and hypoattenuation at right insular cortex and lentiform nucleus.
Features are consistent with right MCA territory non-hemorrhagic hyperacute infarct.
Case Discussion
The loss of the insular ribbon sign refers to a loss of definition of the grey-white interface in the lateral margin of the insular cortex ("insular ribbon") and is considered an early CT sign of MCA infarction.
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