Mucherechedzo wevisus unobva mukusanganiswa kwemaranocytes mukati maro - ma-pigment cells, uye kusvibiswa kwemirairo ye ultraviolet. Nokudaro, chizvarwa chemavara chine dema kubva pakatarisa dermatologist hachina ngozi mune zvekutsvaira kwaro kunze kwechivara chemavara. Asi pane dzimwe nguva, zvakakosha kubhadhara zvakanyanya nevi dzakadaro uye kutarisa mamiriro avo ose nguva dzose.
Congenital black birthmark pamuviri
Sezvo mutemo, iyo yakachengeteka yakawanda yeganda yeganda iri nevi, yakasimuka panguva yekufambisa intrauterine. Rusina ruvara rwemhando dzakadaro zvinongoratidzira nhamba huru ye melanocytes mavari.
Kazhinji mashizha matsvuku anoonekwa kumashure nemaoko, chiso - chikamu chepamusoro chedu. Pashoma kakawanda varipo pane dzimwe nhengo dzomuviri.
Ndezvipi zvikonzero zvekuzvarwa patsva?
Nevus inogona kuumba munguva yeupenyu. Izvi zvinotungamirirwa nenzira dzakasiyana-siyana dzeganda rekudzivirira pasi pasi pesimba rekuchinja kwemahomoni mumuviri, mihizha ye ultraviolet, zvirwere zvinotamirwa, zvinokanganisa mitambo kune birthmark.
Hapana chakaipa chekutsva patsva kwema melanocyte kana ichienderana nemitemo ine chokuita nekukura, maitiro uye chimiro chevusus.
Zvakadini kana kuberekerwa kuri kuchena?
Apo iyo inowanzoitwa pigment speck inosviba mumvuri, inofanirwa kuifunga nezvayo zvakanyanya nekukurukura dermatologist, an oncologist kuti aone zvikonzero zvekuchinja kwakadaro. Kushungurudza mavhesi angaratidza kuora kwahwo mu melanoma , kunyanya kana pane zvimwe zviratidzo:
- kusina kuenzana, serhed edges;
- kunhuwa kana kurwadziwa;
- kuputika, zvironda;
- kubuda ropa;
- asymmetry;
- kuvapo kwemitsipa yemhando dzakasiyana;
- pinki kana tsvuku tsvuku pakaberekwa birthmark;
- kuchenesa micheka kumusoro;
- peeling;
- kuwedzera muhukuru.