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Pathology · Systemic pathology: hypertensive intracerebral haemorrhage
Sample itemA 62-year-old hypertensive man collapses with sudden right hemiplegia. CT shows a haemorrhage in the left putamen. Which vascular lesion is responsible?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Charcot-Bouchard microaneurysm
Chronic hypertension produces lipohyalinosis and Charcot-Bouchard microaneurysms in small penetrating arteries such as the lenticulostriate branches, which rupture into the putamen, thalamus, pons and cerebellum. Cerebral amyloid angiopathy causes lobar haemorrhage in the elderly.
Option by option
A. Saccular aneurysm at the circle of Willis
Saccular aneurysm rupture causes subarachnoid haemorrhage.
B. Charcot-Bouchard microaneurysm (correct)
Correct. Hypertensive microaneurysms rupture in the basal ganglia.
C. Cerebral amyloid angiopathy
Amyloid angiopathy causes lobar cortical haemorrhage in normotensive elderly patients.
D. Arteriovenous malformation
An arteriovenous malformation causes haemorrhage in younger patients and is not associated with hypertension.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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