Abstract: To the Editor:Pseudohypoaldosteronism Type Ⅱ (PHAⅡ),also known as Gordon syndrome,is a rare autosomal disease,caused by mutations in WNK1,WNK4,CUL3,or KLHL3 genes.Hitherto,about 200 individuals and families have been reported with PHAⅡ;of these,26 were caused by CUL3 mutation.[1,2] In pediatrics,hyperkalemia-complicated hypertension is rare,and PHAⅡ should be considered in this condition.