Pigmented nevi (moles) yog kev loj hlob ntawm daim tawv nqaij uas feem ntau yog xim nqaij tawv, xim av lossis xim dub. Moles tuaj yeem tshwm sim nyob qhov twg ntawm daim tawv nqaij, ib leeg lossis hauv pab pawg. Moles tshwm sim thaum cov hlwb hauv daim tawv nqaij loj hlob hauv ib pawg es tsis txhob kis thoob plaws ntawm daim tawv nqaij.
Puas yog nqaij-xim moles mob cancer?
Malignant melanoma, uas pib tawm ntawm mole, yog hom mob qog noj ntshav txaus ntshai tshaj plaws, tua yuav luag 10,000 tus neeg txhua xyoo. Feem ntau ntawm melanomas yog xim dub lossis xim av, tab sis lawv tuaj yeem yog yuav luag txhua xim; tawv nqaij xim, liab, liab, ntshav, xiav los yog dawb. Melanomas feem ntau tshwm sim los ntawm kev raug UV khaus.
Puas yog daim tawv nqaij xim moles ib txwm?
Ib txwm mole feem ntau yog ib xim xim av, xim av, lossis xim dubntawm daim tawv nqaij. Nws tuaj yeem yog tiaj tus lossis tsa.
nqaij-xim melanoma zoo li cas?
Cov kws kho mob hais txog cov no li "amelanotic" melanomas, vim tias lawv pom meej tias tsis muaj melanin, cov xim tsaus uas ua rau feem ntau moles thiab melanomas lawv cov xim. Cov melanomas uas tsis muaj pigmented no tej zaum yuav yog pinkish-looking, reddish, ntshav, ib txwm tawv nqaij xim los yog tseem ceeb ntshiab thiab tsis muaj xim.
theem 1 melanoma zoo li cas?
Theem 1: mob qog noj ntshav nce txog 2 millimeters (mm) tuab. Nws tseem tsis tau kis mus rau cov qog ntshav qog ntshav lossis lwm qhov chaw, thiab nws yuav tsis raug mob. Theem 2: Cov qog nqaij hlav tsawg kawg yog 1 hli tuab tab sis yuav tuab dua 4mm. Tej zaum nws yuav los yog tsis tau ulcerated, thiab nws tseem tsis tau kis mus rau lymph nodes los yog lwm qhov chaw.