Bilateral phrenic neuropathy as a presenting feature of multifocal motor neuropathy with conduction block

Diaphragmatic paralysis has previously been reported as a result of diverse pathologic processes involving the peripheral nervous system. We report the clinical history, physical findings, and antibody profile of an atypical case of multifocal motor neuropathy with conduction block initially presenting with respiratory failure secondary to bilateral phrenic neuropathy. © 2000 John Wiley & Sons, Inc. Muscle Nerve 23: 556–559, 2000.