Head and Neck Imaging
MR Imaging Manifestations and Scanning Technical Discussion of Cerebellopontine Angle Epidermoid Cysts
Author：GUO Shui-lian, ZHAO Ji-quan, YANG Kan-rong, et al.
affiliation： The Medical Imaging Center, the Second People's Hospital of Foshan, Foshan 528000, Guangdong Province, China
PDFAbstract
Objective To analyze the MR imaging manifestations of cerebellopontine angle epidermoid cysts and evaluate the value of MR scanning technique in the diagnosis of cerebellopontine angle epidermoid cysts. Methods The MR scanning technique and MRI findings of 12 cases of cerebellopontine angle epidermoid cysts were analysed retrospectively. Results On T1WI, 1 case show hyperintense and other cases showed hypointense in the mass. All of the cases showed hyperintense on T2WI, which were a little higher than cerebrospinal fluid. On T2 FLAIR, 9 cases displayed hyperintense among which only 2 cases appeared as hyperintensity on the margin. All of them were hyperintensity on DWI, homogeneous or heterogeneous. Conclusion Cerebellopontine angle epidermoid cysts has characteristic MRI feature and MRI is a valuable method for the diagnosis and differential diagnosis of it. Combined with the application of DWI and T2 FLAIR will be helpful to diagnosis of cerebellopontine angle epidermoid cysts.
【Keyword】 Cerebellopontine Angle; Epidermoid Cysts; MRI; DWI
【Chart number】R445.2；R739.41
【Document Identification Number】A
【DOI】 10.3969/j.issn.1672- 5131.2016.01.006
Chinese journal of CT and MRI
th14Volume， th 1 Issue
2016Year01Month
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