The role of computed tomography in patients with lacunar stroke in the carotid territory

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Abstract
In a prospective study of 78 patients presenting with recent clinical features of a supratentorially located lacunar infarct (LI), serial CT-scanning with contiguous 6, 5 or 3 mm slices was carried out. LI was found in 59 patients (76%; 95% confidence limits 65–85%). Lesions other than lacunar infarcts were found in 5 patients (6%; 95% confidence limits 2–14%); in only 14 patients could no abnormalities be detected (18%; 95% confidence limits 10–28%). There was no relationship between the detection rate on CT on the one hand and the type of lacunar syndrome, the number of previous TIA's, and the duration or severity of the neurological deficit on the other. A new protocol of CT-scanning for screening LI is advocated for situations where no MRI facilities are available or no patients cooperation can be obtained.

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