Lacunar stroke vs Charcot Bouchard Aneurysm Rupture

venky2600 · Oct 30, 2012

hi mates

here is another topic(lacunar stroke vs charcot bouchard aneurysm rupture) of my confusion...firstly i thought these both are similar involving lenticulostriate arteries..............
after many working days i gotta know a clear idea of them..now i'm able to differentiate them by case history.....but i have problem in finding both in CT's

and i think this 2 are high yield for CT questions(in uworld around 3-4 q's are based on them i guess).......
so can anyone find me some clues in finding them in CT's .........

thanks

Timmi · Oct 30, 2012

Lacunar strokes are ishchaemic strokes due to atheroma in small vessels.
charchod bouchard aneurysms lead to intracerebral haemorrhage.

u can easily differentiate bw ishemic and haemorrhagic stroke on CT

venky2600 · Oct 30, 2012

thanks....i know their difference and i can differentiate all the other causes of hemorrhagic and ischemic strokes causes except these 2(as both in basal ganglia region)

show some light on them for me(how would you differentiate them in CT..?---i mean your ways of differentiating..?)

thanks

blade · Oct 30, 2012

Charcot Bouchard MICROaneurysm
1.involves the lenticulostriate vessels
2.cause Intracerebral hemorrage.
CT/MRI shows lesion at the basal ganglia mostly

Berry aneurysm
1.involves mostly Anterior Communicating artery
2.cause Subarachnoid Hemorrhage
CT/MRI shows diffuse hypodense areas in subarachnoid space
Buzz word

xt often c/o worst headache of my life

drjgsu · Jun 9, 2015

Lacunar Stroke

Two more points
1) invole hyaline ateriolosclerosis
2) small lake like infarcts(Buzz word)

Lacunar stroke vs Charcot Bouchard Aneurysm Rupture

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