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Pathology

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CVS

Question
17 out of 20
 

lipid and hyaline material deposited in the walls of cerebral arterioles, an abnormality that is associated with the formation of which of the following types of aneurysm? (AIIMS May 2014)



A Atherosclerotic aneurysm
B Berrys aneurysm

C Charcot-Bouchard aneurysm
D Mycotic aneurysm

Ans. C Charcot-Bouchard aneurysm

a. Hypertension is a common cause of intracerebral hemorrhage. Hypertension aggravates and extends atherosclerosis into distal, smaller branches of blood vessels.

b. Hypertension also causes lipid and hyaline material to be deposited in the walls of cerebral arterioles, this being called lipohyalinosis.

c. This weakens the wall and forms small Charcot-Bouchard aneurysms, which may eventually rupture.

d. Hypertensive hemorrhage shows a predilection for the distribution of the lenticulostriate arteries Q(branch of middle cerebral artery) with small (lacunar) hemorrhages, or large hemorrhages obliterating the corpus striatum, including the putamen and internal capsule.

CVS Flashcard List

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