论文部分内容阅读
目的探讨DWI对超急性期脑梗死的影像诊断价值。方法回顾性分析60例发病时间20min~5h且有明显神经系统临床症状及体征而颅脑MRI平扫未见异常的患者,加做颅脑DWI检查。结果该组病例中有18例诊断为超急性期脑梗死,对超急性期脑梗死的发现率为30%。DWI可见病灶呈高信号,且病灶信号随b值升高而逐渐增高,ADC图病灶为低信号。结论 DWI对超急性期脑梗死的影像诊断具有重要意义,能够较早期发现超急性期脑梗死病灶,对临床诊疗具有重要指导作用。
Objective To investigate the diagnostic value of DWI in hyperacute cerebral infarction. Methods A retrospective analysis of 60 cases of onset time of 20min ~ 5h and obvious clinical manifestations of the nervous system and signs of brain MRI showed no abnormalities in patients with brain DWI plus do. Results In this group, 18 cases were diagnosed as hyperacute infarction and 30% for hyperacute infarction. DWI showed high signal lesions, and lesion signal with the b value increased gradually increased, ADC lesion as a low signal. Conclusion DWI is of great significance for the imaging diagnosis of hyperacute cerebral infarction. It can detect the hyperacute infarction lesions early and has an important guiding role in the clinical diagnosis and treatment.