I-actinic keratosis iyimvelo yesikhumba esivamile
I-actinic keratosis (AK) (ebizwa nangokuthi i-solar keratosis noma ama-sun spots) yinto evamile yesikhumba esivamile esabangelwa ukukhanya okukhulu kwe-ultraviolet .
Iyini Kansa Yesikhumba?
Umdlavuza wesikhumba - ukukhula okungavamile kwamangqamuzana esikhumba - ngokuvamile kuvame ukwakhiwa esikhumbeni esivuliwe elangeni. Kodwa le ndlela evamile yomdlavuza nayo ingenzeka nakwezinye izindawo zesikhumba sakho okungavamile ukukhanya kwelanga.
Kunezinhlobo ezintathu ezinkulu zemdlavuza wesikhumba - basal cell carcinoma, squamous cell carcinoma kanye ne-melanoma.
Izimbangela ZeCanscer Skin
Umdlavuza wesikhumba uqala esikhaleni esiphezulu sesikhumba sakho - i-epidermis. I-epidermis ingqimba elincanyana elihlinzeka ikhava evikelayo yamangqamuzana esikhumba umzimba wakho oqhubeka uqhubeka. I-epidermis iqukethe izinhlobo ezintathu eziyinhloko zamaseli:
- Amangqamuzana angama-squamous angaphansi kwezingaphandle futhi asebenze njengesikhumba sangaphakathi sesikhumba.
- Amaseli ase-basal, aveza amangqamuzana omzimba wesikhumba, ahlale phansi kwamangqamuzana angcolile.
- I-melanocytes - eveza i-melanin, i-pigment enika isikhumba umbala wayo ojwayelekile - itholakala engxenyeni engezansi ye-epidermis yakho. Ama-melanocytes akhiqiza i-melanin eningi uma usetshonalanga ukusiza ukuvikela izingqimba ezijulile zesikhumba sakho.
Lapho umdlavuza wakho wesikhumba uqala ukukhetha uhlobo lwawo kanye nezinketho zakho zokwelashwa.
Umonakalo omkhulu ku-DNA emangqamuzaneni esikhumba kubangelwa imisebe ye-ultraviolet (UV) etholakala elangeni nasezikhanyisweni ezisetshenziselwa imibhede yokuqothula.
Kodwa ukuchayeka kwelanga akuchazi ukwelashwa kwesikhumba okuthuthuka esikhumbeni esingajwayelekile ekukhanyeni kwelanga. Lokhu kubonisa ukuthi ezinye izici zingase zibe nomthelela engozini yomdlavuza wesikhumba, njengokungathi ubhekene nezinto ezinobuthi noma unesimo esinciphisa isimiso sakho somzimba.
I-Actinic Keratosis
Ama-AK angamahlumela aqinile, anomile, anama-tan noma anemibala ebomvu evame ukubukeka esikhumba sombuso - eduze kwamehlo, ekhaleni, ezindlebeni, noma ezindebeni - noma kwezinye izingxenye zomzimba ezithola ukukhanya okukhulu kwelanga, njenge- emuva kwezandla.
Zivame kakhulu kubantu abanobuchopho, abaneminyaka ephakathi noma asebekhulile, abangase babe nesilonda esisodwa noma abaningi.
I-actinic keratosis ingaholela engxenyeni eyingozi kakhulu ye- squamous cell carcinoma (i-SCC) uma ishiywe ingalashwa. Kulinganiselwa ukuthi amaphesenti angu-20 kuya kwangu-40 ama-SCC aqala njenge-actinic keratosis. Eqinisweni, odokotela abathile bakholelwa ukuthi i-AK empeleni iyisigaba sokuqala se-squamous cell carcinoma. Ukwelashwa kufaka phakathi i-cryosurgery (ukuphefumula), ukukhwabanisa okuhlinzekwa (ukukhishwa), ukukhwabanisa (ukuhlunga), ukwelashwa kwe-photodynamic noma ama-topical (isikhumba-kuphela) ama-creams afana ne- fluorouracil , i- diclofenac , ne- imiquimod . Ukukhetha ukwelashwa kuncike endaweni ye-lesion, ukuthi zingaki zikhona, nokukhetha kwesiguli.
Igalari yezithombe ze-actinic keratosis iyatholakala ukukusiza ukuthi uzibone.
Imithombo:
I-Mayo Clinic. I-Cancer Cancer. http://www.mayoclinic.org/diseases-conditions/skin-cancer/basics/definition/con-20031606