Cov xim ntawm lub nevus nyob ntawm lub concentration ntawm melanocytes nyob rau hauv nws - lub hlwb cov kabmob, thiab raug rau ultraviolet hluav taws xob. Yog li ntawd, ib qho dub yug los ntawm qhov pom ntawm dermatologist yog tsis muaj kev phom sij ntau ntawm nws cov degeneration dua ib qho xim tshwj xeeb tsim. Tab sis qee kis, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo saib xyuas cov nevi thiab saib lawv txhua lub sijhawm.
Lub cev muaj hnub nyoog hauv lub cev
Raws li txoj cai, feem ntau muaj kev ruaj ntseg ntawm cov tawv nqaij pigment yog nevi, uas tau tshwm sim rau lub sij hawm ntawm kev loj hlob ntawm intrauterine. Txawv txawv xim ntawm cov formations tsuas qhia tau hais tias coob leej melanocytes hauv lawv.
Feem ntau cov dub moles yog pom nyob rau nraum qab thiab ob txhais tes, lub ntsej muag - ib nrab ntawm ib nrab ntawm lub pob tw. Tsawg feem ntau lawv tuaj nyob rau lwm qhov ntawm lub cev.
Vim licas cov menyuam yaus dub tuaj?
Nevus tuaj yeem tsim tau thaum lub neej. Qhov no yog facilitated los ntawm ntau cov txheej txheem ntawm daim tawv nqaij pigmentation nyob rau hauv tus ntawm hormonal hloov hauv lub cev, ultraviolet tawg, kis kab mob, mechanical puas tsuaj rau lub birthmark.
Yog tsis muaj kev phom sij ntawm ib qho kev txuam ntawm melanocytes yog tias nws ua raws li cov cai hais txog qhov loj me, cov duab thiab cov qauv ntawm cov nevus.
Yuav ua li cas yog tias lub hnub yug yog xim dub?
Thaum siv cov xim piv txwv li ib txwm zuj zus, nws muaj nqis rau nws hauv kev xav paub ntxiv thiab tiv tauj ib tug kws kho mob, ib tug oncologist los txiav txim qhov kev hloov ntawm cov kev hloov no. Blackening tus nevus tej zaum yuav qhia tias nws degeneration rau melanoma , tshwj xeeb tshaj yog yog tias muaj lwm yam cim:
- tsis sib xws, serrated sawv;
- khaus lossis mob;
- kab nrib, kab mob;
- los ntshav;
- asymmetry;
- muaj cov leeg ntawm cov duab ntxoov ntxoo txawv;
- liab dawb los yog liab halo nyob rau hauv lub hnub yug;
- whitish txheej nyob rau saum npoo;
- tev;
- nce nyob rau hauv loj.