INTRACRANIAL VASCULAR STENOSIS AND OCCLUSION - DIAGNOSTIC-ACCURACY OF 3-DIMENSIONAL, FOURIER-TRANSFORM, TIME-OF-FLIGHT MR-ANGIOGRAPHY

被引:100
作者
KOROGI, Y
TAKAHASHI, M
MABUCHI, N
MIKI, H
SHIGA, H
WATABE, T
OUCHI, T
NAKAGAWA, T
HORIKAWA, Y
FUJIWARA, S
FURUSE, M
机构
[1] SOSEIKAI GEN HOSP,DEPT RADIOL,KYOTO,JAPAN
[2] EHIME UNIV,SCH MED,DEPT RADIOL,MATSUYAMA,EHIME,JAPAN
[3] KEIO UNIV,SCH MED,DEPT RADIOL,TOKYO,JAPAN
[4] SAITAMA MED SCH,DEPT RADIOL,SAITAMA,JAPAN
[5] KAMEDA MED CTR,DEPT RADIOL,CHIBA,JAPAN
[6] SHINSAPPORO NEUROSURG HOSP,DEPT NEUROSURG,SAPPORO,HOKKAIDO,JAPAN
[7] KYOTO PREFECTURAL UNIV MED,DEPT NEUROSURG,KYOTO 602,JAPAN
[8] KOHNAN HOSP,DEPT NEUROSURG,SENDAI,MIYAGI,JAPAN
[9] NAKATSUGAWA MUNICIPAL GEN HOSP,DEPT NEUROSURG,NAKATSUGAWA,JAPAN
关键词
BRAIN; MR; CEREBRAL BLOOD VESSELS; MR STUDIES; STENOSIS OR OBSTRUCTION; MAGNETIC RESONANCE; VASCULAR STUDIES;
D O I
10.1148/radiology.193.1.8090890
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
PURPOSE: To assess the accuracy of three-dimensional, Fourier transform, time-of-flight magnetic resonance (MR) angiography in the detection of intracranial steno-occlusive diseases. MATERIALS AND METHODS: One hundred thirty-one patients (62 male and 69 female patients, aged 6-77 years [mean, 53 years 8 months]) underwent MR and conventional angiography for evaluation of possible intracranial vascular disease. A total of 502 arteries were assessed. Eight projections and a collapsed image postprocessed by means of a maximum-intensity projection algorithm were reviewed by five observers in a blinded manner, with conventional angiography as the standard. RESULTS: A total of 32 steno-occlusive lesions were available for review. Receiver operating characteristic analysis from the pooled data revealed overall sensitivities of 85% and 88% and specificities of 96% and 97% for the internal carotid artery and the middle cerebral artery, respectively. CONCLUSION: MR angiography is useful as the primary diagnostic tool for evaluating suspected intracranial steno-occlusive disease.
引用
收藏
页码:187 / 193
页数:7
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