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Examples of the three ordinal categories of enlarged Virchow-Robin spaces. a–c Enlarged Virchow-Robin spaces (EVRS) in the basal ganglia, 0–10 EVRS (category 1); 10–25 EVRS (category 2); and >25 EVRS (category 3), respectively. d–f EVRS in the centrum semiovale, 0–10 EVRS (category 1); 10-25 EVRS (category 2); and >25 EVRS (category 3), respectively
