High resolution T2 MRI in the diagnosis of cerebellopontine angle and internal auditory canal lesions

Publication date: Available online 13 May 2017
Source:Clinical Imaging
Author(s): Jonathan T. Maslan, Christopher M. Lack, Michael Zapadka, Tyler G. Gasser, Eric Oliver
High resolution T2 magnetic resonance imaging (MRI) can provide exquisite detail of internal auditory canal (IAC) and cerebellopontine angle (CPA) lesions. In this retrospective case series, blinded imaging sequences were delivered to three radiologists and compared with previously archived clinical reads that were non-blinded and incorporated both T1+C and T2 sequences together. This article demonstrates high sensitivity and specificity for high resolution T2 MRI particularly with lesions >5mm. This suggests a role for high resolution T2 MRI as an initial screening sequence or as a surveillance sequence.



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