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Foix-Chavany-Marie syndrome (FCMS) is a rare cortical type of pseudobulbar palsy characterized by the loss of voluntary control of the facial, pharyngeal, lingual, and masticatory muscles with preserved reflexive and autonomic functions. FCMS is generally associated with cerebrovascular diseases affecting the bilateral opercular regions. We herein report the clinical features of an 84-year-old right-handed Japanese man with FCMS due to a unilateral brain abscess. The patient's symptoms were resolved after treating the brain abscess. The present clinical results suggest that a unilateral brain abscess in the temporal operculum with a persistent old lesion in the contralateral insular cortex can induce FCMS.

A 54-year-old-woman with sarcoidosis presented with progressive symmetric, predominantly distal weakness and sensory dysfunction with areflexia in all four limbs. Nerve conduction studies showed multifocal conduction blocks in several nerves. Oral steroids were ineffective; however, intravenous immunoglobulin (IVIG) therapy rapidly and repeatedly improved the patient's neurologic symptoms with a resolution of the conduction blocks. Multifocal conduction blocks are not frequently reported in patients with sarcoid neuropathy, but they may respond to early treatment with IVIG.