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颅内动脉粥样硬化性疾病(ICAD)的诊断主要依赖于影像学检查,目前可用于ICAD的检查手段有数字减影血管造影(DSA)、CT血管成像(CTA)及磁共振血管造影(MRA)。这三种检测方法都能明确ICAD的诊断,但评价颅内血管狭窄程度的标准尚不统一。DSA是一种有创检查,对ICAD的诊断仍是金标准,而CTA、MRA属于无创或微创检查,是首选的检查方法,临床应用时应结合各方面的因素综合考虑,合理选择检测方法。上述三种检测方法有着各自的优缺点及评价ICAD严重程度的标准。
The diagnosis of intracranial atherosclerotic disease (ICAD) mainly depends on the imaging examination. At present, digital subtraction angiography (DSA), CT angiography (CTA) and magnetic resonance angiography (MRA) ). All three detection methods can confirm the diagnosis of ICAD, but the evaluation of the degree of intracranial vascular stenosis is not uniform. DSA is an invasive examination, the diagnosis of ICAD is still the gold standard, and CTA, MRA are noninvasive or minimally invasive examination, is the preferred method of examination, clinical application should be combined with all aspects of the factors considered, a reasonable choice of detection methods . The three detection methods have their own advantages and disadvantages and evaluation of ICAD severity standards.