Fig. 17From: Imaging of sensorineural hearing loss: a pattern-based approach to diseases of the inner ear and cerebellopontine angleArachnoid cyst. On the right, a lesion with signal characteristics of fluid on all sequences (a: T2; b: T1; c: FLAIR; d: DWI) is present. Due to the relatively static fluid in the archanoid cyst the signal is higher than that of CSF on T2-weighted imagesBack to article page