Encephalopathic attacks in a family co-segregating myotonic dystrophy type 1, an intermediate Charcot-Marie-Tooth neuropathy and early hearing loss

To report new disease components in a unique myotonic dystrophy type 1 (DM1) family previously described by us in which all affected members also had a sensorimotor neuropathy that co-segregated with markers flanking the DM1 locus.