 The formation of unilateral lesions confined to the posterior operculum has distinct symptoms that includes sensory loss in the hand and face contralateral to the location of the lesion.Foix-Chavany-Marie Syndrome is primarily caused by multiple strokes and lesions.However, less common causes that can eventually produce lesions to the operculum resulting in the FCMS syndrome include the following; tumors, trauma, encephalitis, neurodegenerative diseases, and vasculitis.