UWORLD

Question 1

What are the four Lacunar Stroke syndromes?

Answer 1

1) Pure Motor Hemiparesis: Lacunar infarction of the posterior limb of internal capsule: Unilateral motor deficit ( face & arm), mild dysarthria. No sensory,visual or higher cortical function loss.
2: Pure sensory: Stroke in the ventroposteriorlateral nucleus of thalamus: Unilateral numbness and paresthesia and hemisensory deficit involving face, arm, trunk and leg
3: Ataxic-hemiparesis: lacunar infarction in the posterior limb of the internal capsule: weakness that is more prominent in extremity along with ipsilateral arm incoordination
4: Dysarthria-clumsy syndrome: Lacunar stroke at the basis pontis: Hand weakness, mild motor aphasia and sensory abnormalities.