I-Epidermis kanye ne-Acne

I-Epidermis kanyeInduna

I-acne yisifo esingapheli sokuvuvukala kwezinwele kanye nezindlala ze-sebaceous, futhi ngezinye izikhathi ibhekwa njengempendulo yomzimba kubantu, njengoba cishe wonke umuntu eba ne-acne enobunzima obuhlukahlukene ngesikhathi sokuphila kwakhe. Ivame kakhulu kwabesilisa nabesifazane abasebasha, kanti abesifazane bancane kancane kunabesilisa, kodwa iminyaka yabo ingaphambi kweyabesilisa. Izifundo ze-epidemiological zikhombisile ukuthi cishe u-80% kuya ku-90% wentsha iye yahlushwa i-acne.
Ngokusho kwe-pathogenesis ye-acne, i-acne ihlukaniswe ngezigaba ezintathu: ① I-acne engokwemvelo, okuhlanganisa i-acne vulgaris, i-perioral dermatitis, i-acne aggregation, i-hidradenitis suppurativa, i-acne breakout, i-premenstrual acne, izifo zesikhumba ze-facial purulent, njll.; ② I-acne yangaphandle, i-mechanical acne, i-tropical acne, i-summer acne, i-solar acne, i-drug-induced acne, i-chloracne, i-cosmetic acne kanye ne-oily acne; ③ Ukuqhuma okufana ne-acne, okuhlanganisa i-rosacea, i-keloid acne yentamo, i-gram-negative bacilli folliculitis, i-steroid acne, kanye ne-acne-related syndromes. Phakathi kwazo, i-acne ethintekayo emkhakheni wezimonyo yi-acne vulgaris.
I-acne yisifo esingapheli sokuvuvukala kwe-pilosebaceous, futhi imbangela yaso icacisiwe ngokuyisisekelo. Izici ezibangela izifo zingafingqwa ngamaphuzu amane: ①Izindlala ze-sebaceous ziyasebenza ngaphansi kwesenzo se-androgens, ukukhishwa kwe-sebum kuyanda, futhi isikhumba sinamafutha; ②Ukunamathela kwama-keratinocytes ku-infundibulum ye-follicle yezinwele kuyanda, okuwukuvinjelwa kokuvulwa; ③I-propionibacterium acnes ku-follicle yezinwele i-sebaceous gland iningi Ukuzala, ukubola kwe-sebum; ④ amakhemikhali namaseli aholela ku-dermatitis, bese kuba yi-suppuration, ukubhujiswa kwezindlala zezinwele kanye nezindlala ze-sebaceous.