chloasma

/kloh-az-muh/US // kloʊˈæz mə //UK // (kləʊˈæzmə) //

黄褐斑,湿疹,褐斑

Definitions

n.名词 noun

1
Pathology.
- : a condition in which light-brown spots occur on the skin, caused by exposure to sun, dyspepsia, or certain specific diseases.

What cases of chloasma are included in the idiopathic group?
What cases of chloasma are included in the symptomatic group?
It is not to be confounded with vitiligo, chloasma, or the macular syphiloderm.
Chloasma appears either in ill-defined patches, as is commonly the case, or as a diffuse discoloration.
Into what two general classes may the various examples of chloasma be grouped?