Perivascular spaces

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Headaches

Patient Data

Age: 60 years
Gender: Female
ct

Well-circumscribed fluid-density spaces of various size with no enhancement are seen bilaterally within the external and internal capsules 

Case Discussion

CT features consistent with incidental perivascular spaces (Virchow-Robin spaces), which should not be mistaken for chronic lacunar infarcts or leukoaraiosis.

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