Qhov sib txawv tseem ceeb ntawm dermal thiab epidermal melasma yog qhov dermal melasma yog tshwm sim los ntawm ntau cov deposition ntawm melanin pigment nyob rau hauv cov khaubncaws sab nraud povtseg ntawm daim tawv nqaij, thaum epidermal melasma yog tshwm sim los ntawm ntau deposit ntawm melanin pigment nyob rau hauv lub superficial txheej. ntawm daim tawv nqaij.
Melasma yog ib qho mob ntawm daim tawv nqaij uas cov thaj ua rau pom tsaus nti ntawm lub ntsej muag. Nws feem ntau yog vim cov xim melanin ntau dhau ntawm daim tawv nqaij. Cov thaj ua rau tsaus nti no feem ntau muaj cov npoo sib txawv thiab muaj qhov sib luag hauv qhov xwm txheej. Thaum tus mob no tshwm sim thaum cev xeeb tub, melasma feem ntau hu ua chloasma lossis daim npog qhov ncauj ntawm cev xeeb tub. Melasma yog ib qho mob tshwm sim thiab tuaj yeem tshwm sim hauv ntau txog rau lab tus poj niam Asmeskas. Muaj ob hom melasma tseem ceeb: dermal thiab epidermal melasma.
Dermal Melasma yog dab tsi?
Dermal melasma yog ib hom melasma uas tshwm sim los ntawm ntau dhau ntawm cov xim melanin nyob rau hauv cov txheej txheej ntawm daim tawv nqaij. Nws tshwm sim ntawm cov khaubncaws sab nraud povtseg ntawm daim tawv nqaij. Cov cheeb tsam no muaj nyob nruab nrab ntawm cov epidermis (txheej txheej ntawm daim tawv nqaij) thiab subcutaneous txheej. Cov cim qhia ntawm dermal melasma muaj xws li tsis meej lub teeb xim av rau xiav-grey thaj ua rau lub ntsej muag. Tsis tas li ntawd, nyob rau hauv ntoo lub teeb, melasma yog cais raws li dermal melasma thaum tsis muaj kev txhim kho pom. Hauv dermoscopy, melasma yog cais raws li dermal melasma thaum cov xim tsis sib xws nrog cov xim xiav grey xim tau sau tseg.
Daim duab 01: Dermal Melasma
Kev kho mob ntawm daim tawv nqaij melasma yog qhov nyuaj heev thaum piv rau epidermal melasma. Dermal melasma kuj muaj cov lus teb tsis zoo. Cov kev kho mob yuav suav nrog tshuaj tev, microdermabrasion, thiab lasers.
YEpidermal Melasma yog dab tsi?
Epidermal melasma yog hom melasma uas ntau dhau ntawm cov xim melanin tshwm sim hauv cov txheej txheem ntawm daim tawv nqaij hu ua epidermis. Hauv epidermal melasma, cov xim melanin nce siab hauv cov txheej txheem suprabasal ntawm cov epidermis. Cov cim qhia ntawm epidermal melasma suav nrog cov xim zoo nkauj xim av xim thaj ua rau thaj rau ntawm lub ntsej muag. Ntxiv mus, nyob rau hauv ntoo lub teeb, melasma yog cais raws li epidermal melasma thaum muaj kev txhim kho pom. Nyob rau hauv dermoscopy, melasma yog cais raws li epidermal melasma thaum cov xim tsis tu ncua nrog cov xim xim av homogenous pigmentation tau sau tseg.
Daim duab 02: Epidermal Melasma
Kev kho mob ntawm epidermal melasma yog yooj yim zoo nkauj thaum piv rau dermal melasma. Kev kho mob feem ntau qhia tau hais tias muaj lus teb zoo. Tsis tas li ntawd, cov kev xaiv kev kho mob yuav suav nrog cov tshuaj bleaching, kev sib xyaw ntawm hydroquinone, tretinoin, thiab cov tshuaj pleev ib ce muaj zog, galvanic lossis ultrasound ntawm lub ntsej muag nrog kev sib xyaw ntawm cov tshuaj pleev ib ce lossis gel, tshuaj tua kab mob, thiab kev kho laser.
Dab tsi yog qhov zoo sib xws ntawm Dermal thiab Epidermal Melasma?
- Dermal thiab epidermal melasma yog ob hom melasma.
- Cov poj niam feem ntau cuam tshuam los ntawm ob qho xwm txheej.
- Lub ntsej muag yog qhov chaw uas feem ntau cuam tshuam los ntawm ob qho xwm txheej.
- Ob qho xwm txheej feem ntau pom thaum cev xeeb tub.
- Lawv raug kho los ntawm kev siv cov tshuaj pleev, gels, lossis cov txheej txheem kev ua haujlwm xws li laser.
Qhov txawv ntawm Dermal thiab Epidermal Melasma yog dab tsi?
Dermal melasma pom nyob rau hauv cov txheej txheem tob ntawm daim tawv nqaij, thaum epidermal melasma pom nyob rau hauv cov khaubncaws sab nraud povtseg ntawm daim tawv nqaij. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm dermal thiab epidermal melasma. Tsis tas li ntawd, cov cim qhia ntawm dermal melasma muaj xws li lub teeb xim av rau xiav-grey thaj ua rau lub ntsej muag. Ntawm qhov tod tes, cov cim qhia ntawm epidermal melasma suav nrog cov xim zoo nkauj xim av xim av rau ntawm lub ntsej muag.
Cov hauv qab no nthuav tawm qhov sib txawv ntawm dermal thiab epidermal melasma hauv daim ntawv tabular rau kev sib piv ntawm ib sab.
Summary – Dermal vs Epidermal Melasma
Melasma yog ib qho mob ntawm daim tawv nqaij uas tshwm sim los ntawm xim av los yog xiav-grey thaj ua rau thaj los yog freckle-zoo li me ntsis ntawm lub ntsej muag. Nws feem ntau pom nyob rau hauv cov poj niam thaum cev xeeb tub. Melasma tshwm sim vim overproduction ntawm melanin. Dermal thiab epidermal melasma yog ob hom melasma. Dermal melasma tshwm sim nyob rau hauv qhov tob txheej ntawm daim tawv nqaij thaum epidermal melasma tshwm sim nyob rau hauv cov khaubncaws sab nraud povtseg ntawm daim tawv nqaij. Yog li, qhov no yog qhov txawv ntawm dermal thiab epidermal melasma.
