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Aetiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Lacunar strokes are most frequently due to poorly- controlled hypertension.

Perforating vessels may occlude due to lipohyalinosis, micro-atheroma or fibrin.

Lacunar strokes are rarely due to emboli from a proximal source e.g. extracranial atherosclerosis or cardiac emboli.

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