État criblé

Case contributed by Huda B. Gharbia
Diagnosis almost certain

Presentation

Gait disturbance, dementia.

Patient Data

Age: 70 years
Gender: Male
mri

Bilateral symmetrical diffuse widened perivascular spaces in basal ganglia (especially corpus striatum) and thalami, forming cribriform cavities. They display hyperintense signal in T2-weighted images and exhibit CSF signal on FLAIR sequences, but not restricted diffusion on DWI/ADC.

Also noted are a left frontal lacune, surrounded by gliosis, and extensive microvascular-related changes.

Case Discussion

Profuse symmetrical widening of perivascular spaces throughout the basal ganglia in the elderly is described as status cribrosum, also known as état criblé.

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