腦梗死與腦出血急性期應用DWI聯(lián)合SWI診斷的價值
[Abstract]:Objective to evaluate the clinical value of magnetic resonance diffusion weighted imaging (DWI) combined with magnetic sensitivity weighted imaging (SWI) in the diagnosis of cerebral infarction and acute cerebral hemorrhage. Methods from May 2014 to May 2015, 60 patients with acute cerebral infarction (group A) and 24 patients with acute cerebral hemorrhage (group B) were studied. All patients were examined with 1.5T DWI and SWI sequence. The results of two groups were observed and compared with 12 normal volunteers (control group). Results in group A, the DWI signal was higher in acute phase, and the enhancement of the signal was more obvious with the passage of time, the lesion boundary was changed from fuzzy to clear, the positive rate was 100.0and the SWI showed the same signal. In group B, the central signal of DWI hematoma was low in acute phase, and the signal intensity around it was high, and the signal intensity was enhanced with time, and the signal of SWI was homogeneous and low signal. Compared with the control group, the ADC value of group A was decreased, but the decrease was not significant, and the ADC value of group B was obviously decreased with the passage of time, and the ADC value of group B was lower than that of group A (P0.05). The PV value of group A was normal, but the value of local PV was decreased, the value of PV in group B was obviously decreased, and the decrease of PV value in group B was larger than that in group A (P0.05). Conclusion the imaging findings of DWI and SWI are different between cerebral infarction and acute cerebral hemorrhage. DWI combined with SWI can improve the diagnostic accuracy and help to detect hemorrhagic transformation after cerebral infarction. It has important value for clinical treatment.
【作者單位】: 遼寧省撫順市中心醫(yī)院;
【分類號】:R445.2;R743.3
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