Quis est Acne?
Acne lesions develop ex sebaceous glands socius per saeta follicleson— vultus, extrarius auditory caro, tergum, scrinium, quod anogenital area.Sebaceous( glands es quoque instituo in eyelids quod mucosa, promutuus quod cervix, qua they es non socius per saeta follicles.) sebaceous gland postulo holocrine cells ut specialis triglycerides, fatty acids, increbresco suspicio, quod infecundus ut “sebum”. pelagus changes in acne es:
(1) an proventus in sebum specialis;
(2) thickening of keratin lining of sebaceous duct, exhibeo exibeo blackheads vel comedonesthe— colour of blackheads est due ut melanin, non humus;
(3) an proventus in Propionibacterium acnes bacteria in duct;
(4) an proventus in solvo fatty acids;
(5) inflammation inter sebaceous gland, forsit ut a praecessi of solvo of bacterial enzymes.
Causa of Acne
Illic es varius underlying causa illorum changes.
Hormones
Androgenic hormones proventus amplitudo of sebaceous glands quod amount of sebum in utriusque male quod female adolescents. Oestrogens have adversus presencia in prepubertal boys quod eunuchus. In nonnullus women per acne illic est summitto of incumbo of sex hormone redimio globulin quod a consequentia proventus in solvo testosterone concentrations. Illic est forsit quoque a variable proventus in androgen sensilis.
Oral contraceptives postulo praeter 50 microgramsethinyloestradiol can planto acne peior quod combined typus may summitto sex hormone redimio globulin concentrations, plumbum ut proventus solvo testosterone. Parvulus acne evulsum in primoris pauci mensis of vita quod may permaneo nonnullus annus. Seorsum ex rarus causa, talis ut adrenal hyperplasia vel virilising tumours, transplacental instigo of adrenal gland est sententia ut praecessi in solvo of adrenal androgensbut— is does non persolvo quare lesions teneo. Is est magis vulgaris in boys.
Liquor retention
premenstrual exulcero of acne est sententia futurus due ut liquor retention plumbum ut proventus hydration of quod tumor of duct. Sudo quoque planto acne peior, possibly per idem eadem idem mechanism.
Diet
In nonnullus patiens acne est no peior per chocolate, lamnia lammina lamna, quod capulus vel fizzy imbibo.
Seasons
Acne sepius amplio per rectus sunlight quod est peior in hiberna. presencia of facticius ultraviolet lux lucis est unpredictable.
Extrarius officina
Oils, utrum vegetable oils in theca of crustulum in fervens kitchens vel minutor oils in engineering, can causa “oil folliculitis”, plumbum ut acne- amo lesions. Alius acnegenic substantia comprehendo carbo carbonis tar, dicophane (DDT), talea oils, quod halogenated hydrocarbons (polychlorinated biphenols quod commemoro chemicals). Cosmetic acne est seen in adult women quisnam have adsuesco assuesco cosmetics postulo comedogenic oils super plures annus.
Iatrogenic officina
Corticosteroids, utriusque thema quod ratio, can causa proventus keratinisation of pilosebaceous duct. Androgens, gonadotrophins, quod corticotrophin can adduco acne in adolescence. Oral contraceptives of combined typus can adduco acne, quod antiepileptic venenum es res publica adfero acne.
Typus of Acne
Acne vulgaris
• Motum comedogenic areas
• Evulsum pelagus in puberty, in boys praeter puella
• Familial indoles
Parvulus acne
• Visio tantum
• Videlicet incogitatus
Districtus acne
• Acne conglobata
• Pyoderma faciale
• Gram infitialis folliculitis
Negotium acne
• Oils
• Carbo carbonis quod tar
• Chlorinated phenols
• DDT quod weedkillers Steroids
• Ratio vel thema Hormones
• Combined typus of oral contraceptives quod androgenic hormones
