Sudden deafness as a prodrome of cerebellar artery infarction: Three case reports

Figure 1 Related auxiliary examination of case one. A: Pure tone auditory threshold, moderate to severe sensorineural hearing loss in the right ear; B, C: Mastoid magnetic resonance imaging (MRI)(2019-11-12), no obvious abnormalities were found in bilateral internal auditory canal and mastoid process, see pontine lacunar infarction; D, E: Brain MRI (2019-11-19), patchy long T1 and long T2 signal foci were seen in the right cerebellar foot, and diffusion-weighted imaging showed high signal intensity; F–I: Brain and neck computed tomography angiography, patchy low-density shadow was seen in the right cerebellar foot, local lumen stenosis of the right posterior cerebral artery and basilar artery was not clear.