3 -羟基- 3 -甲基-戊二酰辅酶A裂解酶缺乏症( 3 - hydroxy-3 - methylglutaryl-coenzyme a lyase deficiency , HMGCL , MIM.246450 )是一种常染色体隐性遗传的亮氨酸代谢障碍疾病。临床以代谢性酸中毒、非酮症性低血糖、尿特异性代谢产物3 -羟基- 3 -甲基戊二酸( 3 - hydroxy-3 - methylglutaric acids )排出增多为特点。新生儿期可表现为非酮症低血糖、代谢性酸中毒、脑病、高血氨等Reye综合征 ......