Chloasma ndi vuto lopezeka pakhungu mu zamankhwala. Zimachitika kwambiri mwa akazi a kubereka ana, ndipo amathanso kuwoneka amuna osadziwika. Amadziwika ndi pigmetricacal gymentation pamasaya, pamphumi ndi masaya, makamaka mawonekedwe a mapiko a gulugufe. Chikasu chachikaso kapena chofiirira, chofiirira chakuda kapena chowala.
Pafupifupi zinthu zambiri zamtundu uliwonse ndi zingwe zimatha kukhala ndi matendawa, koma madera omwe ali ndi chidziwitso champhamvu kwambiri, monga Latin America, Asia, ndi Africa, ali ndi vuto lalikulu. Odwala ambiri amakhala ndi matenda m'ma 30s ndi 40s, ndipo zomwe zimachitika m'masiku 40- ndi 50% ndi 14% ndi 16%, motsatana. Anthu akhungu amayamba kuchitika koyambirira, anthu amtundu wakuda amakula pambuyo pake, ngakhale atatha kusamba. Kafukufuku wochokera kwa anthu ang'ono ku Latin America akuwonetsa zaka 4% mpaka 10%, 50% pa amayi apakati ndi 10% mwa amuna.
Malinga ndi malo omwe amagawidwa, meslasma amatha kugawidwa m'mitundu itatu, kuphatikizapo pakati (kuphatikiza pamphumi, masaya, ndi 20%, ndi 15%, motsatana. Kuphatikiza apo, matenda a pakhungu ena a pakhungu, monga Idioopathic Previtation Pakhungu, amaganiza kuti amalumikizidwa ndi Melasma. Malinga ndi malo a Melanin pakhungu, melasma imatha kugawidwa mu epirmmal, ma dermal ndi osakanizika, mtundu womwe umakhala mtundu wofala kwambiri, komanso mtundu wosakanikirana ndi wokhoza kwambiri,Nyalindizothandiza pakuzindikiritsa kwamitundu yamankhwala. Pakati pawo, mtundu wa epirrider ndi wowuwala pansi pa mtengo wa nkhuni; Mtundu wa dermal ndiwopepuka imvi kapena yopepuka pansi pa maliseche, ndipo kusiyana sikuwoneka pansi pa mtengo. Gulu lolondola la Melasma ndi lopindulitsa kusankha chithandizo pambuyo pake.
Post Nthawi: Meyi-06-2022
