PMC6691908_01
Phenomenology of the Patient. (Segment 1) Multifocal facial myoclonus, torsional nystagmus while looking horizontally, multidirectional ocular myoclonus while looking vertically, and palatal tremor. (Segment 2) Nonentrainable palatal tremor.
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PMC6691908_01_.jpg
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Brain MRI showed multiple old infarctions and old hemorrhages within the Guillain-Mollaret triangle (GMT) (Figure 1A), along with hypertrophy of the right inferior olivary nucleus (ION) (Figure 1B).