期刊
JOURNAL OF NEUROLOGY
卷 251, 期 10, 页码 1183-1189出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00415-004-0500-6
关键词
magnetic resonance imaging; hypertension; intracerebral hemorrhage
Objective To analyse the topography of cerebral microbleeds (CMBs) visualized by T2*-weighted gradient-echo MR imaging in the supratentorial brain area, based on the anatomical classification of the regions and the arterial territories. Background CMBs are associated with hypertension and the risk of intracerebral hemorrhage; however, little is known about the cerebral topography of CMBs. Methods We examined 164 consecutive patients with hypertensive stroke who underwent T2*-weighted gradient-echo MRI. The anatomical locations and the vascular territories of the CMBs were determined in the subcortical white matter, basal ganglia/internal capsule and thalamus along the standard axial slices. Results We detected 2,193 CMBs in 98 patients (13.4+/-39.0 per patient). The CMBs showed a significant predilection for the temporo-occipital area of the subcortical white matter, the posterolateral part of the upper putamen, and the lateral nuclei of the mid-level thalamus. The most common arterial territories were those of the middle-posterior cerebral artery in the white matter, the middle cerebral artery in the basal ganglia, and the thalamogeniculate artery in the thalamus. Conclusion These findings were quite similar to the cerebral topography of intracerebral hemorrhage described in the literature. Our results suggest that CMBs are regionally associated with intracerebral hemorrhage.
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