Palatal myoclonus can be primary or secondary. In primary palatal myoclonus, no obvious structural brain lesions can be found within the triangle of Guillain and Mollaret. Common causes of secondary myoclonus include stroke, demyelination, infections, trauma, and neurodegeneration.
Keywords: Guillain and Mollaret triangle; demyelination; neurosarcoidosis; palatal myoclonus.
© 2020 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.