title: Infantile polymyoclonus: Its occurrence in second cousins.
abstract: Two second cousins with infantile polymyoclonus are described. All other published cases in the literature are sporadic,and the occurrence of two cases of this exceedingly rare disorder in one family raises the possibility of genetic transmission. Careful examination of the family pedigree is indicated in this disorder.
mesh_terms: D002648:Child; D003241:Consanguinity; D005133:Eye Movements; D005260:Female; D005799:Genes, Dominant; D006801:Humans; D008297:Male; D010375:Pedigree; D013036:Spasms, Infantile / Q000235:genetics*