Lacunar Syndromes

Question 1

Occurs in posterior lumb of internal capsule, ventral pons, corona radiata, cerebral peduncle does not exhibit ataxia

Answer 1

Pure motor hemiparesis

Question 2

Pure motor hemiparesis clinical features

Answer 2

Unilateral face, arm, leg UMN-type weakness w/ dysarthria

Question 3

Occurs in posterior lumb of internal capsule, ventral pons, corona radiata, cerebral peduncle pt has ataxia

Answer 3

Ataxic hemiparesis

Question 4

Ataxic hemiparesis clincal features

Answer 4

Unilateral face, arm, leg UMN-type weakness w/ dysarthria and ataxia on same side of weakness

Question 5

Occurs in Ventral posterior lateral nucleus of the thalamus (VPL_

Answer 5

Pure sensory stroke (thalamic lacune)

Question 6

Pure sensory stroke clinical features

Answer 6

sensory loss to all primary modalities in CL face and body

Question 7

Occurs in posterior limb of internal capsule and either thalamic VPL or thalamic somatosensory radiation

Answer 7

Sensorimotor stroke (thalamocapsular lacune)

Question 8

Sensorimotor stroke clinical features

Answer 8

Combination of thalamic lacune and pure motor hemiparesis

Question 9

Occurs in caudate, putamen, globus pallidus, or subthalamic nucleus

Answer 9

Basal ganglia lacune

Question 10

basal ganglia lacune clinical features

Answer 10

usually asymptomatic but may cause hemiballismus