Morvan syndrome https://www.malacards.org/card/neuropathy_hereditary_sensory_and_autonomic_type_iia Morvan's fibrillary chorea limbic encephalitis-neuromyotonia-hyperhidrosis-polyneuropathy syndrome MONDO:0008718 Morvan syndrome is a rare, life-threatening, acquired neurologic disease characterized by neuromyotonia, dysautonomia and encephalopathy with severe insomnia. Signs involving central (e.g. hallucinations, confusion, amnesia, myoclonus), autonomic (e.g. variations in blood pressure, hyperhidrosis) and peripheral (e.g. painful cramps, myokymia) hyperactivity, as well as systemic manifestations (such as weight loss, pruritus, fever), are reported. Thymoma is present in some cases. GARD:0009766 Orphanet:83467 EFO:1001897 UMLS:C3854373 MEDGEN:1632829 SCTID:763803004 muscular channelopathy