Middle cerebral artery hyperacute infarct

Case contributed by Dr Ayush Goel

Presentation

Unconcious.

Patient Data

Age: 50 years
Gender: Male

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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