Nevus Fanau Mai (Congenital nevus) o se ituaiga o nevus melanocytic e maua i pepe pe a fananau mai. O lenei ituaiga o fa'ailoga fanau e tupu i le tusa ma le 1% o pepe i le lalolagi atoa.
Pe a faatusatusa i le melanocytic nevus, o le congenital melanocytic nevus e masani ona lapopoa le lautele ma atonu e sili atu le lauulu. Afai e sili atu i le 40 cm (16 in) ma maua le hypertrichosis, o nisi taimi e taʻua o le giant hairy nevus.
Melanocytic nevi e masani ona tupu i le tino pe a matua le tamaitiiti. O lauulu iloga e masani ona tupu, aemaise lava pe a uma le talavou.
O le tipiina o taotoga o le tulaga lea o le tausiga. E toʻatele ua aveʻesea faʻapitoa mo le faʻaleleia. Peitaʻi, o le lapopoa e tipi ese mo le puipuia o le kanesa. O nevi faʻafuafua tele o loʻo i ai i se tulaga sili atu ona lamatia mo le faʻaleagaina o le maʻi i le melanoma. Fuafuaga o le suiga i le melanoma e eseese mai le 2‑42% i tusitusiga.
A laʻititi le manuʻa, e mafai ona aveese i se taotoga. Ae, e matua faigata lava ona aveese atoa i le aunoa ma se maʻila pe a lapopoa i le matua.
The congenital melanocytic nevus is a type of melanocytic nevus found in infants at birth. This type of birthmark occurs in an estimated 1% of infants worldwide; it is located in the area of the head and neck 15% of the time.
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E faigata ona aveese atoa nevi lapopoa i le isu pe a le aveese i le taimi o le pepe fou.
Nevus Fanau Mai (Congenital nevus) (tulaga masani) ― E amata i togi laiti i le taimi o le pepe fou, ae e tupu i le taimi lata mai. Mai se vaaiga matagofie, e sili atu le aveese pe a laʻititi.
I tulaga o le lautele o le aʻafiaga, e maualuga le avanoa e atiaʻe ai le kanesa o le paʻu i le lumanaʻi.
Afai e le masani ona foliga, e manaʻomia se biopsy.
Congenital melanocytic nevus o se ituaiga o fa'ailoga fanau e tupu a'o le taimi na fanau mai ai po'o le taimi o tamāmeamea. Nevus sebaceous o se fa'aletonu o le pa'u e a'afia ai follicle o lauulu fa'aletonu. I lenei su'esu'ega, na matou faaaogaina le tekinolosi o le laser e taʻua o le pinhole method ma le Erbium:YAG laser e togafitia ai manu'a nevus i gasegase eseese. 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.
Giant congenital melanocytic nevus o se ituaiga pa'u uliuli o lo'o iai i le fanau mai ma e o'o atu i le 20 cm le lautele pe a matua le tagata. E matua seasea lava, e tupu i le 1 i le 20,000 fanau fou. E ui lava e seasea, ae e le o mea laiti; e mafai ona o'o atu i faʻafitauli matuia e pei o le kanesa o le pa'u pe afaina ai le faiʻai ma le neura (neurocutaneous melanosis). O le avanoa e maua ai le kanesa o le pa'u i se taimi o lou olaga e 5 i le 10%. Giant congenital melanocytic nevus is usually defined as a melanocytic lesion present at birth that will reach a diameter ≥ 20 cm in adulthood. Its incidence is estimated in <1:20,000 newborns. Despite its rarity, this lesion is important because it may associate with severe complications such as malignant melanoma, affect the central nervous system (neurocutaneous melanosis). The estimated lifetime risk of developing melanoma varies from 5 to 10%.
Pe a faatusatusa i le melanocytic nevus, o le congenital melanocytic nevus e masani ona lapopoa le lautele ma atonu e sili atu le lauulu. Afai e sili atu i le 40 cm (16 in) ma maua le hypertrichosis, o nisi taimi e taʻua o le giant hairy nevus.
Melanocytic nevi e masani ona tupu i le tino pe a matua le tamaitiiti. O lauulu iloga e masani ona tupu, aemaise lava pe a uma le talavou.
O le tipiina o taotoga o le tulaga lea o le tausiga. E toʻatele ua aveʻesea faʻapitoa mo le faʻaleleia. Peitaʻi, o le lapopoa e tipi ese mo le puipuia o le kanesa. O nevi faʻafuafua tele o loʻo i ai i se tulaga sili atu ona lamatia mo le faʻaleagaina o le maʻi i le melanoma. Fuafuaga o le suiga i le melanoma e eseese mai le 2‑42% i tusitusiga.
A laʻititi le manuʻa, e mafai ona aveese i se taotoga. Ae, e matua faigata lava ona aveese atoa i le aunoa ma se maʻila pe a lapopoa i le matua.
○ Togafiti
#Staged excision (congenital nevus)