期刊
INSIGHTS INTO IMAGING
卷 5, 期 1, 页码 113-122出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13244-013-0302-4
关键词
Meningioma; Diagnosis; Magnetic resonance imaging; Spectroscopy; Diffusion tensor imaging
Meningiomas are the most common non-glial tumour of the central nervous system (CNS). There are a number of characteristic imaging features of meningiomas on magnetic resonance imaging (MRI) that allow an accurate diagnosis, however there are a number of atypical features that may be diagnostically challenging. Furthermore, a number of other neoplastic and non-neoplastic conditions may mimic meningiomas. This pictorial review discusses the typical and atypical MRI features of meningiomas and their mimics. Teaching Points: center dot There are several characteristic features of meningiomas on MRI that allow an accurate diagnosis center dot Some meningiomas may display atypical imaging characteristics that may be diagnostically challenging center dot Routine MRI sequences do not reliably distinguish between benign and malignant meningiomas center dot Spectroscopy and diffusion tensor imaging may be useful in the diagnosis of malignant meningiomas center dot A number of conditions may mimic meningiomas; however, they may have additional differentiating features
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