Qhov sib txawv tseem ceeb ntawm melasma thiab hyperpigmentation yog melasma yog cov tawv nqaij hyperpigmentation tshwm sim los ntawm xim av lossis xiav-grey thaj ua rau ntawm daim tawv nqaij, uas feem ntau yog vim kev hloov pauv hormonal, thaum hyperpigmentation yog lub kaus mom xa mus rau tus lej. ntawm kev kho mob uas ua rau thaj tsam ntawm daim tawv nqaij ua xim tsaus dua li cov tawv nqaij ib puag ncig.
Hyperpigmentation tshwm sim thaum daim tawv nqaij tsim ntau melanin. Qhov no yuav ua rau thaj tsam ntawm daim tawv nqaij tshwm tsaus dua qhov chaw nyob ib puag ncig. Hyperpigmentation tuaj yeem tshwm sim vim muaj ntau yam laj thawj xws li raug tshav ntuj, pob txuv vulgaris, o, txiav, thiab lupus. Muaj ntau hom hyperpigmentation tej yam kev mob, uas muaj xws li sunspots, post-inflammatory hyperpigmentation, thiab melasma.
Melasma yog dab tsi?
Melasma yog ib qho mob hyperpigmentation ntawm daim tawv nqaij uas tshwm sim los ntawm xim av lossis xiav-grey thaj ua rau ntawm daim tawv nqaij, feem ntau yog vim kev hloov pauv hormonal. Nws yog ib hom kab mob pigmentation uas tshwm sim ntawm daim tawv nqaij, feem ntau ntawm lub ntsej muag. Nws kuj tseem tuaj yeem tshwm sim ntawm tus choj ntawm lub qhov ntswg, hauv pliaj, puab tsaig, daim di ncauj, lub hauv pliaj, caj dab, thiab lub xub pwg nyom. Raws li American Academy of Dermatology, tsuas yog 10% ntawm tag nrho cov mob melasma tshwm sim rau cov txiv neej. Cov poj niam uas muaj cov tawv nqaij tsaus nti thiab cov poj niam cev xeeb tub yog qhov muaj feem pheej hmoo ntawm tus mob no.
Daim duab 01: Melasma
Qhov ua rau melasma muaj xws li kev hloov pauv hormonal, hluav taws xob, tshuaj tua kab mob, tshuaj tiv thaiv kab mob, tshuaj estrogen/diethylstilbestrol thiab progesterone, noob caj noob ces (33% txog 55% tus neeg mob muaj keeb kwm ntawm tsev neeg), hypothyroidism, LED cov ntxaij vab tshaus, cev xeeb tub, pleev, phototoxic tshuaj, khoom tu tawv nqaij, xab npum, thiab tanning txaj. Cov cim tseem ceeb ntawm melasma yog lub teeb xim av, tsaus xim av, thiab xiav freckle zoo li me ntsis ntawm daim tawv nqaij. Qee zaum, freckles tuaj yeem ua liab lossis mob. Ntxiv mus, melasma ib txwm tshwm sim nyob rau hauv rau qhov chaw lossis ib qho chaw sib xyaw ntawm daim tawv nqaij. Melasma yog kuaj pom los ntawm kev kuaj pom thiab kuaj daim tawv nqaij. Tsis tas li ntawd, kev kho mob rau melasma yuav suav nrog kev siv cov tshuaj hydroquinone (lotion, cream, lossis gel), corticosteroids thiab tretinoin (lotion, cream, lossis gel), cov tshuaj pleev ua ke (hydroquinone, corticosteroids, thiab tretinoin), cov tshuaj tropical (azelaic acid lossis kojic). acid) thiab cov txheej txheem kho mob xws li microdermabrasion, tshuaj tev, kho laser, kho lub teeb, thiab dermabrasion.
Hyperpigmentation yog dab tsi?
Hyperpigmentation yog ib lub kaus siv los npog ntau yam kev kho mob uas ua rau thaj tsam ntawm daim tawv nqaij ua kom tsaus dua li cov tawv nqaij ib puag ncig. Cov no feem ntau tshwm sim vim raug tshav ntuj, pob txuv caws pliav, tshuaj, los yog o. Muaj ntau ntau hom hyperpigmentation. Cov feem ntau yog sunspot, post-inflammatory hyperpigmentation, thiab melasma. Sunspots kuj hu ua daim siab pob los yog hnub ci lentigines. Lawv muaj feem cuam tshuam rau kev raug tshav ntuj dhau sijhawm. Feem ntau, tshav ntuj tshwm ntawm tes thiab ntsej muag. Post-inflammatory hyperpigmentation yog tshwm sim los ntawm kev raug mob los yog o ntawm daim tawv nqaij. Qhov feem ntau ua rau post-inflammatory hyperpigmentation yog pob txuv. Ntxiv mus, melasma tuaj yeem tshwm sim los ntawm kev hloov pauv hormonal uas tuaj yeem tshwm sim thaum cev xeeb tub. Nws tshwm sim feem ntau ntawm lub plab thiab lub ntsej muag.
Daim duab 02: Hyperpigmentation
Cov tsos mob ntawm hyperpigmentation yuav muaj xws li xim av, tan, dub me ntsis tshwm ntawm daim tawv nqaij nrog lub hnub overexposure, me ntsis los yog thaj ua rau ntawm daim tawv nqaij darkened tshwm tom qab inflammatory ntawm daim tawv nqaij mob xws li pob txuv, eczema, thiab loj thaj tsam ntawm daim tawv nqaij darkened. Hyperpigmentation tuaj yeem kuaj tau los ntawm kev kuaj lub cev (los ntawm Wood's light) thiab daim tawv nqaij biopsy. Tsis tas li ntawd, kev kho mob tej zaum yuav muaj xws li lightening cream (hydroquinone cream, licorice extract, N-actylglucosamine, vitamin B-3), lub ntsej muag acid (alpha hydroxyl acids, azelaic acid, kojic acid, salicylic acid, vitamin C), retinoids ntawm daim tawv nqaij cov khoom xyaw, Tshuaj tev, laser tev (tawv tawv nqaij), khaus pulse teeb kho, microdermabrasion, thiab dermabrasion.
Dab tsi zoo sib xws ntawm Melasma thiab Hyperpigmentation?
- Melasma thiab hyperpigmentation yog ob yam ntawm daim tawv nqaij.
- Ob leeg tshwm sim thaum daim tawv nqaij tsim ntau melanin.
- Lawv muaj cov txheej txheem kuaj mob tib yam.
- Lawv tuaj yeem kho nrog cov tshuaj pleev xim rau ntawm daim tawv nqaij thiab lwm yam kev kho mob.
Qhov txawv ntawm Melasma thiab Hyperpigmentation yog dab tsi?
Melasma yog ib qho mob hyperpigmentation ntawm daim tawv nqaij uas tshwm sim los ntawm xim av lossis xiav-grey thaj ua rau ntawm daim tawv nqaij, thaum hyperpigmentation yog lub kaus siv los npog ntau yam kev kho mob uas ua rau thaj tsam ntawm daim tawv nqaij tsaus dua li cov tawv nqaij ib puag ncig.. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm melasma thiab hyperpigmentation. Tsis tas li ntawd, melasma yog tshwm sim los ntawm kev hloov pauv hormonal, hluav taws xob, tshuaj tua kab mob, tshuaj tiv thaiv kab mob, tshuaj estrogen/diethylstilbestrol thiab progesterone, noob caj noob ces, hypothyroidism, LED cov ntxaij vab tshaus, cev xeeb tub, pleev, tshuaj pleev xim, tshuaj pleev ib ce, khoom tu tawv nqaij, xab npum, thiab tanning txaj. Ntawm qhov tod tes, hyperpigmentation feem ntau yog tshwm sim los ntawm tshav ntuj, pob txuv vulgaris, o, txiav, lupus, hormonal hloov, tshuaj, thiab kev kho mob (Ntxiv tus kab mob, hemochromatosis).
Cov hauv qab no infographic nthuav tawm qhov sib txawv ntawm melasma thiab hyperpigmentation hauv daim ntawv tabular rau ib sab ntawm kev sib piv.
Summary – Melasma vs Hyperpigmentation
Melasma thiab hyperpigmentation tshwm sim vim kev tsim tawm ntawm melanin ntau dhau los ntawm daim tawv nqaij. Melasma yog tus cwj pwm los ntawm xim av lossis xiav-grey thaj ua rau ntawm daim tawv nqaij, thaum hyperpigmentation yog lub kaus mom hais txog ntau yam kev kho mob uas ua rau thaj tsam ntawm daim tawv nqaij uas muaj xim tsaus dua li cov tawv nqaij ib puag ncig. Yog li, qhov no yog qhov txawv ntawm melasma thiab hyperpigmentation.
