Charcot bouchard aneurysm versus lacunar infarct? - USMLE Forums
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Old 08-15-2011
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Neuro Charcot bouchard aneurysm versus lacunar infarct?

Guys I am confused about lacunar infarct and charcot bouchart aneurysm.. can someone please explain?
all I know is, they are associated with HTN, and bleeding occur in basal ganglia..
what else is there.. how do we differentiate these two?
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Old 08-15-2011
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Originally Posted by salz View Post
Guys I am confused about lacunar infarct and charcot bouchart aneurysm.. can someone please explain?
all I know is, they are associated with HTN, and bleeding occur in basal ganglia..
what else is there.. how do we differentiate these two?
all i know about lacunar infarcts is that they are accosiated with HTN and causes hemiballismus due to hemorrhage in subthalamic nuclei
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Old 08-15-2011
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I agree

ok from what I understand:

1) Charcot: its HEMORRHAGE, intraceberal, and as you said secondary to HTN.. but its seen in old ppl and its usually. boom, they burst.. mainly basal ganglia

where as,

2) Lacunar infarcts and INFARCTION, secondary to hyaline arteriosclerosis of the vessels.. again caused by long term HTN... usually they produce the 'stroke syndromes'

now how to differentiate them clinically, I am assuming its the same way as to detect if its an ischemic stroke or is hemorrhagic.


Hope this helped
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Old 10-22-2011
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Quote:
Originally Posted by USMLE2011m View Post
ok from what I understand:

1) Charcot: its HEMORRHAGE, intraceberal, and as you said secondary to HTN.. but its seen in old ppl and its usually. boom, they burst.. mainly basal ganglia

where as,

2) Lacunar infarcts and INFARCTION, secondary to hyaline arteriosclerosis of the vessels.. again caused by long term HTN... usually they produce the 'stroke syndromes'

now how to differentiate them clinically, I am assuming its the same way as to detect if its an ischemic stroke or is hemorrhagic.


Hope this helped


1) When infarction is caused by an obstruction of small vessels, it can result in small lesions that are recognizable as lacunae (small pits) on healing. Clinical manifestations of lacunar strokes are focal and are most often purely sensory or motor.

2) Most frequently, the cause of intracerebral hemorrhage (ICH) is hypertension, which is complicated by minute dilatation at small artery bifurcations. These Charcot-Bouchard aneurysms may be sites of hemorrhagic rupture. Most often, ICH occurs in basal ganglia/Thalamus.
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