脑灰白质成像结合常规MRI对168例颅内良恶性占位病变的分析

Analysis of 168 Cases of Benign and Malignant Intracranial Space Occupying Lesions by Brain Gray and White Matter Imaging Combined with Conventional MRI

目的探讨磁共振脑灰质成像和脑白质成像对颅内良恶性占位病变的诊断价值。方法回顾性分析我院168例颅内占位病变的MRI检查资料(包含常规MRI、脑灰白质成像、DWI等序列的检查资料),结合病理结果,分析脑灰白质成像的影像学特征,比较MRI各序列诊断准确性。结果 MRI各序列对颅内168例占位病变的诊断分别为常规MRI序列为92例(54.76%),良性34例,恶性58例;DWI结合常规MRI为117例(69.64%),良性39例,恶性78例;GM/WM-only序列结合常规MRI、DWI为148例(88.10%),良性47例,恶性101例。GM/WM-only结合常规MRI、DWI对颅内占位病变的诊断率高于常规MRI和DWI结合常规MRI(P<0.05)。结论与常规MRI、DWI相比,磁共振脑灰成像和脑白质成像结合常规MRI能够更好地判定颅内占位病变的良恶性质,可作为其必要补充。

Objective To explore the diagnostic value of magnetic resonance brain gray and white matter imaging in benign and malignant intracranial space occupying lesions. Methods The MRI examination data(including routine MRI, brain gray and white matter imaging, DWI, etc.) of 168 cases of intracranial mass lesions in our hospital were retrospectively analyzed.Combined with pathological results, the imaging characteristics of brain gray and white matter imaging were analyzed. The diagnostic accuracy of MRI sequences was compared. Results The diagnosis of 168 intracranial space-occupying lesions by MRI sequences was as follows: 92 cases(54.76%) of routine MRI sequences, 34 cases of benign and 58 cases of malignant;117 cases(69.64%) of DWI combined with conventional MRI, 39 cases of benign and 78 cases of malignant;148 cases(88.10%) of GM/WMonly combined with routine MRI and DWI, 47 cases of benign and 101 cases of malignant. The diagnostic rate of GM/WMonly combined with conventional MRI and DWI for intracranial space-occupying lesions was higher than that of conventional MRI and DWI combined with conventional MRI(P<0.05). Conclusion Compared with conventional MRI and DWI, MRI brain gray and white matter imaging combined with conventional MRI can better determine the benign and malignant properties of intracranial space-occupying lesions, which can be used as a necessary supplement.