AbstractHepatolenticular degeneration(HLD)is a recessive hereditary disease and is characterized by involvement of extrapyramidal system of the brain and liver damage.

• 肝豆状核变性（HLD），是一种以锥体外系征为主的脑损害或／及肝脏损害为特征的常染色体隐性遗传性疾病。