多巴反应性肌张力障碍(dopa responsive dystonia,DRD)又称Segawa综合征,由日本学者Segawa于1976年首先描述。本病为遗传性运动障碍性疾病,好发于儿童或青少年,其显著特征是口服小剂量多巴制剂有戏剧性疗效。目前国内相关病例报道并不少见,但尚无同卵双细胞相继发病的资料。1病 Dopaminergic dystonia (DRD), also known as Segawa syndrome, was first described by Japanese scholar Segawa in 1976. The disease is a hereditary dyskinetic disorder, occurs in children or adolescents, the salient features of oral small doses of dopa preparations have a dramatic effect. At present, the related domestic case reports are not uncommon, but there is no information on the occurrence of identical twin cells. 1 disease