Ramsay Hunt sindrome[1]is a disorder that is caused by the reactivation of varicella zoster virus in the geniculate ganglion, a nerve cell bundle of the facial nerve
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A (T1), B (T2), C (FLAIR), axial image shows long T1 and T2 signals, high FLAIR signal in the left pedunculus cerebellaris medius and outside of facial colliculus (short red arrow); the left facial nerve and vestibulocochlear nerve of cisterns swell (long red arrow). D, 3D-CISS imaging shows the left facial nerve and vestibulocochlear nerve swell and thickening; E and F, axial image shows gadolinium-enhanced of the section of cisterns and internal auditory canal of the left facial nerve and vestibulocochlear nerve of cisterns (red arrow)
