Frontotemporal Dementia as a Possible Manifestation of Primary Lateral Sclerosis: A Case Report and Literature Review
Primary lateral sclerosis (PLS) is currently defined as a restricted phenotype of amyotrophic lateral sclerosis (ALS), a neurodegenerative disease with upper motor Sofa Beds neuron (UMN) symptoms that causes slowly progressive spasticity.The diagnostic criteria of this disorder currently do not include any effects on frontal executive or other cort