Adynamia episodica hereditaria

A rare, autosomal dominant inherited disorder caused by heterozygous mutation in the DSRAD gene. Most cases have been reported from countries in East Asia. It is characterized by the presence of hyperpigmented and hypopigmented macules on the dorsal aspect of the extremities and face.

Disease Alternative Name

symmetric dyschromatosis of the extremities
reticulate acropigmentation of dohi
dyschromatosis symmetrica hereditaria
dyschromatosis symmetrica hereditaria 1