Sel ɗin da ke dauke da babban adadi na melanin su ne non -ocytes. Haɗarsu tana haifar da samin kwayoyin, wanda ake kira likita ne nevus pigment. An dauke shi azabar fata kuma yawanci baya haifar da rikitarwa, kodayake wasu alamun cututtuka suna kara yawan hadarin melanoma .
Noma ko mevnocytic nevus - haddasawa
Dukkan abubuwan da ke haifar da ambaliya a wani yanki na non -ocytes basu riga an kafa su ba. Sai kawai sananne ne:
- cututtukan kwayoyin halitta;
- canje-canje a cikin fata na tayin saboda daukan nauyin jikin mahaifiyar jikin radiation ko toxins;
- kamuwa da cututtuka da jinin jiki;
- ƙuƙƙwarar hanzari na yanayin hormonal.
Akwai nau'o'in cututtukan da dama, wanda mafi yawan al'amuran zasu tattauna a kasa.
Mavus nema na fata na fata
Irin nau'o'in binciken da ake la'akari da shi ne saboda girman kwayar halitta - daga 20 cm Wannan nevus shine cututtuka kuma ya kasance a jiki don rayuwa.
Kwayar cututtuka:
- babban launi a kan fata na launin ruwan kasa ko launin toka mai launin toka;
- dimbin hankali daga cikin epidermis a cikin rukuni na marasa wolf;
- ƙara pigmentation;
- canje-canje a cikin tsari na fata, bayyanar irregularities, tuberosity;
- ƙãra girma gashi a yankin da cutar ta shafa;
- karuwa a girman girman.
Ya kamata a lura da cewa, saboda ƙananan lalacewa ga nevus, zai iya haifar da ci gaban melanoma. Sabili da haka, hanya mafi kyau don kauce wa sakamako mai tsanani shine an cire su. Idan ba zai iya yin aiki ba, likita ya kamata ya ziyarci likitan ilimin likita da ilimin likitan ilmin likita don gwaji a kalla sau ɗaya a shekara.
Intradermal nemaccen pigmentary
Daga cikin talakawa, irin wannan nau'i ne ake kira alamar. Ana iya samuwa duka biyu a farfajiya da fata da mucous membranes.
A matsayinka na mai mulkin, nevus intradermal ba zai haifar da wani damuwa ba. Har ila yau, ba a buƙatar magani ba, tun da ƙaddamarwar ba ta zama dalilin ciwon daji ba .
Nevus mai launi na bakin iyaka
Irin nau'in pathology da aka kwatanta yana samuwa sau da yawa a kan ƙafa, dabino da kuma al'amuran. Neoplasm yawanci ƙananan, ba fiye da 1 cm ba, yawanci girma girma (har zuwa 50 mm) suna ci karo.
Yanayin halayen kan iyakar nevus shi ne rashin gashi a cikin yanki. Wannan tawadar yana da alamar launin launi mai duhu ko launin ruwan kasa.
Idan aka ba da mummunar hasara na irin wannan cutar a cikin mummunar melanoma, dole ne a cire takalmin gyaran kafa ta hanyar laser coagulation ko tiyata.
Nuna nevus papillomatous
Halin bayyanar cutar ya zama babba (har zuwa 4 cm) kuma ana iya samuwa a wuyansa, a bayan bayanan gashi ko a kai.
Ilimi ya kasance daidai da papilloma, siffofin halayen ba su da gefen gefe, tsinkaye mai kyau a sama da nauyin epidermis lafiya da launin duhu. A irin wannan nevus, baƙar fata baƙar fata ba ta girma.
Duk da lafiyar tsarin ilimin lissafi na pathology, an ba da shawarar kulawa da ita, tun da gangan
Noma nevus na ido
Wannan rukuni na kwayoyin melanocytic an gano shi a cikin hanyar sadarwa tsakanin malamin da kuma sclera. Zai iya samun babban diamita da launi daban-daban.
Conjunctival nevus yana ɗaukar kansa ne kawai don maganin ƙwayar magani, wanda magungunan ilimin likita ya kamata ya ƙaddara shi bayan kammala jerin bincike.