多层CT灌注成像对脑肿瘤瘤周水肿的临床应用研究

目的初步探讨多层CT灌注成像技术及脑肿瘤瘤周水肿区灌注参数在脑肿瘤诊断中的临床应用价值。方法18例已知有脑部肿瘤的患者行16层CT灌注成像扫描,其中脑胶质瘤3例,脑转移瘤9例,脑膜瘤6例。扫描图像应用Perfusion2软件进行灌注成像分析。结果脑膜瘤瘤周水肿区的PS值远大于胶质瘤和转移瘤。结论脑肿瘤瘤周水肿区的MSCT灌注成像有助于脑肿瘤的鉴别诊断。

Clinical Application of Perfusion Imaging with Multi-Slice CT in Edema Surrounding Cerebral Neoplasm

Objective:The purpose of this study is to discuss perfusion imaging technique with Multi-slice CT and its clinical application value of perfusion parameter of edema areas surrounding cerebral neoplasm.Methods:Eighteen patients with clinically proved brain neoplasm underwent perfusion imaging with 16-slice CT.Among them three cases suffered with cerebral glioma,nine with brain metastasis,six with meningoma.Scanning data were analyzed with perfusion-2 software. Results: CBF value of edema area surrounding cerebral neoplasm:cerebral glioma>meningoma>brain metastasis.CBV value:cerebral glioma>meningoma>cerebral metastasis;PS value of all tumors increased apparently,PS value of edema area surrounding cerebral neoplasm exceeded obviously that inside neoplasm.Conclusion:PS value in multi-slice CT perfusion imaging is helpful for differential diagnosis of cerebral neoplasm and to display the tumor's true extent.It has a good prospect in clinical application.