Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL)
Presentation
Progressive cognitive impairment.
Patient Data
Age: 35 years
Gender: Male
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Axial FLAIR

Bilateral, multifocal confluent deep white matter and periventricular T2/FLAIR hyperintense signals.
No true restriction diffusion.
Case Discussion
The involvement of the anterior temporal lobe and external capsule as in our case has high sensitivity and specificity in differentiating CADASIL from common cerebral small vessel disease.