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目的探讨320层CT灌注成像在窦旁脑膜瘤瘤周水肿中的价值。方法对18例窦旁脑膜瘤伴瘤周水肿患者进行CT灌注成像,计算并比较窦旁脑膜瘤瘤周水肿区及对侧正常脑组织的脑血流量(CBF)、脑血容量(CBV)、平均通过时间(MTT))。结果窦旁脑膜瘤瘤周水肿区的CBF和CBV明显低于对侧正常脑组织(P<0.05)。但窦旁脑膜瘤瘤周水肿区的MTT与正常脑组织比较差异无统计学意义(P>0.05)。结论窦旁脑膜瘤瘤周水肿区的CBV和CBF明显降低;CT灌注成像能定量脑膜瘤瘤周水肿的血流灌注状况。
Objective To investigate the value of 320-slice CT perfusion imaging in the treatment of peripheral edema in sinusoid meningiomas. Methods CT perfusion imaging was performed in 18 patients with sinus meningiomas with peritumoral edema. The cerebral blood flow (CBF), cerebral blood volume (CBV) Mean Time To Time (MTT)). Results The CBF and CBV in the edema area of sinusoid meningiomas were significantly lower than those in the contralateral normal brain tissues (P <0.05). However, there was no significant difference between the MTT and the normal brain in the edema area of sinusoid meningiomas (P> 0.05). Conclusions The CBV and CBF in the edema area of the sinusoid meningiomas are obviously decreased. CT perfusion imaging can quantify the blood perfusion of perineural edema of the meningiomas.