I-Melanocytic Nevus

Melanocytic nevus - I-Melanocytic Nevus

https://en.wikipedia.org/wiki/Nevus

I- I-Melanocytic Nevus (Melanocytic nevus) iwuhlobo lwesimila se-melanocytic esiqukethe amaseli e-nevus. Iningi lama-nevi livela phakathi namashumi amabili eminyaka yokuqala empilweni yomuntu. Cishe ingane eyodwa kweziyi-100 izalwa ne-nevi. I-nevi etholiwe iwuhlobo lwe-benign neoplasm, kuyilapho i-congenital nevi ibhekwa njengokukhubazeka okuncane noma i-hamartoma futhi ingase ibe sengozini enkulu ye-melanoma. Ama-Benign nevus ayindilinga noma ayi-oval futhi ngokuvamile mancane (imvamisa phakathi kuka-1‑3 mm), nakuba amanye angaba makhulu kunosayizi wendawo evamile ye-pensela (5 mm). Amanye ama-nevi anezinwele.

○ Ukwelashwa
Ukuhlinza nge-laser kuvame ukwenziwa ukuze kukhishwe i-nevi encane ngendlela yokuhlobisa. Uma ubukhulu budlula u-4‑5 mm, kungase kudingeke ukuhlinza. Ezinganeni ezincane, i-nevus enkulu kuno-2 mm ngokuvamile kunzima ukuyikhipha ngokuphelele ngaphandle kokushiya isibazi.
#CO2 laser
#Er-YAG laser

Ulwazi olwengeziwe ― Zulu

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I-nevus evamile
Becker nevus – ebonakala ehlombe; kuvela ukukhula kwezinwele phezu kwe‑nevus.
Nevus of Ota ― Kubonakala kuluhlaza okwesibhakabhaka ngenxa yendawo ejulile yamaseli e-nevus esikhaleni sesikhumba. Kulesi simo sesiguli, i-nevus itholakala ku-conjunctiva. I-Ota nevus ingasuswa ngokwelashwa nge-laser.
Compound nevus (Isinqe). Izimpawu zokuzalwa ezincane zingakhula zibe i-nevi enkulu ngokuhamba kwesikhathi.
Intradermal nevus – umumo we-noduli egqamile.

I-nevus evamile. Izithombe ezimbili ezingezansi zibonisa i‑intradermal nevus, kanti izithombe ezintathu ezingenhla zibonisa i‑junctional nevus.
Blue nevus – Ngenxa yendawo ejulile yamaseli e‑nevus, ibonakala ngombala oluhlaza okwesibhakabhaka.
Intradermal nevus – Ivamise ukubonwa ekhanda.
Lesi sithombe sibonisa isilonda se-nevus. Kodwa-ke, uma isilonda esiyinhloko sisincane kanje, i-algorithm ingase ingakwazi ukubikezela isimo ngokunembile.

Ukusesha isithombe

relevance score : -100.0%

References

Effective Treatment of Congenital Melanocytic Nevus and Nevus Sebaceous Using the Pinhole Method with the Erbium-Doped Yttrium Aluminium Garnet Laser 25324667

NIH

I-Congenital melanocytic nevus iyi-melanocytic nevus ekhona lapho izalwa noma ivela phakathi nezigaba zokugcina zobusana. I-Nevus sebaceous ichazwe njengendawo elimazayo ye-unit ye-pilosebaceous enezinhlaka eziphukile ngokwe-embryology. Lapha, sichaza ukuthi sisebenzisa kanjani indlela ye-photocoagulation nge-laser ye-Erbium:YAG ukwelapha izilonda ze-nevi ezigulini ezihlukene.
Congenital melanocytic nevus (CMN) is a melanocytic nevus that is either present at birth or appears during the latter stages of infancy. Nevus sebaceous has been described as the hamartomatous locus of an embryologically defective pilosebaceous unit. Here, we describe how we used the pinhole technique with an erbium-doped yttrium aluminium garnet (erbium : YAG) laser to treat nevi lesions in different patients.

Malignant Melanoma 29262210

NIH

I-melanoma uhlobo lwesimila olwakhiwa lapho ama-melanocyte, amangqamuzana abhekele umbala wesikhumba, eba nomdlavuza. Ama-melanocyte avela ku‑neural crest. Lokhu kusho ukuthi i-melanoma ingakhula hhayi esikhumbeni kuphela kodwa nasemazweni lapho amangqamuzana e‑neural crest efuduka khona, njengepheshana lamathumbu nobuchopho. Izinga lokusinda kweziguli ezine‑melanoma yesigaba sokuqala (isigaba 0) liphezulu ku‑97 %, kuyilapho leli zinga lehla kakhulu lifinyelela cishe ku‑10 % kulabo abatholakala benesifo esisezingeni eliphezulu (isigaba IV).
A melanoma is a tumor produced by the malignant transformation of melanocytes. Melanocytes are derived from the neural crest; consequently, melanomas, although they usually occur on the skin, can arise in other locations where neural crest cells migrate, such as the gastrointestinal tract and brain. The five-year relative survival rate for patients with stage 0 melanoma is 97%, compared with about 10% for those with stage IV disease.