Tehran University of Medical Sciences Current Journal of Neurology 2717-011X 11 1 2012 03 15 28 29 Marjan Asadollahi Loghman Hospital, Department of Neurology, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Bibiseyedeh Rezaiyan Loghman Hospital, Department of Neurology, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Hiva Amjadi Loghman Hospital, Department of Neurology, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 2015 10 17 Facioscapulohumeral muscular dystrophy (FSHD) is a common inherited muscular dystrophy presented clinically with slowly progressive weakness and wasting of facial and limb muscles and rare bulbar muscle involvement. We present herein a 70-year-old man who was a known case of FSHD with complaint of 15-day history of progressive difficulty in chewing and dysarthria and was found to have myasthenia gravis. Related literatures have been also reviewed. https://ijnl.tums.ac.ir/index.php/ijnl/article/view/835 https://ijnl.tums.ac.ir/index.php/ijnl/article/download/835/100