High-Resolution MRI Vessel Wall Imaging: Spatial and Temporal Patterns of Reversible Cerebral Vasoconstriction Syndrome and Central Nervous System Vasculitis

被引:192
作者
Obusez, E. C. [1 ]
Hui, F. [2 ]
Hajj-ali, R. A. [3 ]
Cerejo, R. [3 ]
Calabrese, L. H. [4 ]
Hammad, T. [4 ]
Jones, S. E. [1 ]
机构
[1] Cleveland Clin, Dept Diagnost Radiol, Imaging Inst, Cleveland, OH 44195 USA
[2] Cleveland Clin, Cerebrovasc Ctr, Neurol Inst, Cleveland, OH 44195 USA
[3] Cleveland Clin, Dept Neurol, Neurol Inst, Cleveland, OH 44195 USA
[4] Cleveland Clin, Dept Rheumatol, Orthopaed & Rheumatol Inst, Cleveland, OH 44195 USA
关键词
MAGNETIC-RESONANCE ANGIOGRAPHY; GIANT-CELL ARTERITIS; PRIMARY ANGIITIS; ENHANCEMENT; DIAGNOSIS; IMAGES;
D O I
10.3174/ajnr.A3909
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
BACKGROUND AND PURPOSE: High-resolution MR imaging is an emerging tool for evaluating intracranial artery disease. It has an advantage of defining vessel wall characteristics of intracranial vascular diseases. We investigated high-resolution MR imaging arterial wall characteristics of CNS vasculitis and reversible cerebral vasoconstriction syndrome to determine wall pattern changes during a follow-up period. MATERIALS AND METHODS: We retrospectively reviewed 3T-high-resolution MR imaging vessel wall studies performed on 26 patients with a confirmed diagnosis of CNS vasculitis and reversible cerebral vasoconstriction syndrome during a follow-up period. Vessel wall imaging protocol included black-blood contrast-enhanced T1-weighted sequences with fat suppression and a saturation band, and time-of-flight MRA of the circle of Willis. Vessel wall characteristics including enhancement, wall thickening, and lumen narrowing were collected. RESULTS: Thirteen patients with CNS vasculitis and 13 patients with reversible cerebral vasoconstriction syndrome were included. In the CNS vasculitis group, 9 patients showed smooth, concentric wall enhancement and thickening; 3 patients had smooth, eccentric wall enhancement and thickening; and 1 patient was without wall enhancement and thickening. Six of 13 patients had follow-up imaging; 4 patients showed stable smooth, concentric enhancement and thickening; and 2 patients had resoluton of initial imaging findings. In the reversible cerebral vasoconstriction syndrome group, 10 patients showed diffuse, uniform wall thickening with negligible-to-mild enhancement. Nine patients had follow-up imaging, with 8 patients showing complete resolution of the initial findings. CONCLUSIONS: Postgadolinium 3T-high-resolution MR imaging appears to be a feasible tool in differentiating vessel wall patterns of CNS vasculitis and reversible cerebral vasoconstriction syndrome changes during a follow-up period.
引用
收藏
页码:1527 / 1532
页数:6
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