Causes of Facial Weakness - Differential Diagnosis Algorithm Forehead Sparing = Central cause - Most commonly stroke - Intracranial tumor Forehead involved = Peripheral lesion - Bilateral (2% of facial nerve palsy) - Unilateral: Bell's Palsy (70-75%), Infection, Compression Tumor, Trauma Dr. Ann Marie Kumfer @AnnKumfer #Facial #Weakness #Differential #Diagnosis #Algorithm #Causes #neurology #sparing
