I-Actinic keratosis yimeko eqhelekileyo yesikhumba
I-Actinic keratosis (AK) (ebizwa nangokuthi i-solar keratosis okanye i-sun spots) yimeko ekhuselekileyo yesikhumba ebangelwa ukukhanya okukhulu kwi- ultraviolet .
Yintoni I-Cancer Cancer?
Umhlaza wesikhumba - ukukhula okungavamile kweeseli zelusu - ngokuqhelekileyo kuvela kwesikhumba evezwe elangeni. Kodwa olu hlobo lwesifo somhlaza lungenzeka nakwiindawo zesikhumba sakho esingaqhelekanga ekukhanyeni kwelanga.
Kukho iintlobo ezinkulu ezintathu zengqondo yomhlaza - basal cell carcinoma, squamous cell carcinoma kunye ne-melanoma.
Iingxaki zeCatcer Cancer
Umdlavuza wesikhumba uqala kwinqwelatho yakho yesikhumba - i-epidermis. I-epidermis yinqwelwana elincinci elinika isikhokelo sokukhusela samaseli ekhumba umzimba wakho uqhubeka uhamba. I-epidermis iqulethe iintlobo ezintathu eziphambili zeeseli:
- Iiseli ezinqabileyo zilapha ngaphantsi komhlaba ongaphandle kwaye zisebenza njengelinen yesikhumba ngaphakathi.
- Amaseli aseBasal, avelisa iiseli zesikhumba ezintsha, ahlala phantsi kweeseli ezinqabileyo.
- I-Melanocytes - eyenza i-melanin, i-pigment enika isikhumba umbala wayo oqhelekileyo - ikhona kwicandelo elincinane le-epidermis yakho. I-melanocytes ivelisa i-melanin xa usesentsimini ukuze uncede ukukhusela iindawo ezinzulu zolusu.
Xa umdlavuza wakho wesikhumba uqala ukukhetha uhlobo lwawo kunye nokhetho lwakho lwezonyango.
Umonakalo omkhulu kwi-DNA kwiiseli zesikhumba kubangelwa yimisebe ye-ultraviolet (UV) efunyenwe elangeni kunye nezibane ezisetyenziswe kwimibhede yokuqhawula.
Kodwa ukukhanya kwelanga akuchazi ukuba umdlavuza wesikhumba ophuhliswa ngesikhumba asiqhelekanga ekukhanyeni kwelanga. Oku kubonisa ukuba ezinye izinto zinganomngcipheko wakho mngcipheko wesikhumba somhlaza, ezifana nokugqithiswa kwizinto ezinobuthi okanye nokuba nesimo esenza buthathaka kwi-system immune system.
Actinic Keratosis
Ii-AK zizinto ezinobunzima, ezinomileyo, ezinobunzima okanye obomvana obomvana obomvu obonakala rhoqo ebusweni besikhumba - eduze kwamehlo, kwimpumlo, ezindlebeni, okanye emlonyeni - okanye kwezinye iindawo zomzimba ezifumana ukukhanya okukhulu kwelanga, ezifana emva kwezandla.
Zixhaphake kakhulu kubantu abaluhlaza, abaneminyaka ephakathi okanye abakhulileyo, abanokuba nesilonda esisodwa okanye abaninzi.
I-Actinic keratosis ingakhokelela kwisifo esibi kakhulu se- squamous cell carcinoma (i-SCC) xa ingashiywanga. Kulinganiselwa ukuba ama-20 ukuya kuma-40 ekhulwini ama-SCC aqala njenge-actinic keratosis. Enyanisweni, oogqirha bakholelwa ukuba iAA ngokwenene isigaba sokuqala se-squamous cell carcinoma. Unyango lubandakanya i-cryosurgery (i-frost), ukuchithwa ngokucokisekileyo (ukususwa), ukunyanga (ukutshiza), unyango lwe-photodynamic okanye i-topical (i-skin-only) njenge- fluorouracil , i- diclofenac kunye ne- imiquimod . Ukukhethwa kwonyango kuxhomekeke kwindawo yesikhumba, zingaphi na zikhona, kunye nokukhethwa kwesigulane.
Igalari yezithombe ze-actinic keratosis ziyafumaneka kukukunceda uzibone.
Imithombo:
Clinical Mayo. Cancer Cancer. http://www.mayoclinic.org/diseases-conditions/skin-cancer/basics/definition/con-20031606