Blue nevus - Nevus Puruhttps://en.wikipedia.org/wiki/Blue_nevus
Ko te Nevus Puru (Blue nevus) he momo nevus tae, ko te tikanga he nodule kahurangi, pango rānei. Ka puta te tae kikorangi o te nevus i te hohonutanga o ngā pūtau pigmentary i roto i te kiri.

Ka mahia he biopsy i ētahi wā, ka tangohia rānei te mate katoa. I te nuinga o te wā, he pai te putanga haumanu, ā, he iti noa te tūponotanga ki te huri i te mate pukupuku. Ko te tātaritanga rereke ko te dermatofibroma me te melanoma.

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  • Na te mea kei te noho hohonu ngā pūtau nevus, he kikorangi te āhua.
  • Tauira Atypical ― Nevus Puru (Blue nevus) te tikanga, he hanga hangarite. Ko te mate pukupuku o te tinana, me te melanoma, me wehe i nga ahuatanga penei.
References Blue Nevus 31747181 
NIH
Ko te Blue nevus e tohu ana i te roopu o te tipu o te kiri nā te nui o ngā melanocytes. Ka puta he puru ki te pango i runga i te mahunga, i ngā ringaringa, me te papa. I te nuinga o te wā, ka kitea kotahi anake, engari ka puta anō i te whanautanga ki ngā wāhi maha. Ko ēnei patunga ka pohehehia mō te tipu o te āhua pouri pērā i te melanoma, he kikorangi te āhua o te mahunga, ngā ringa, te tuara o raro, te papa rānei.
The term blue nevus describes a group of skin lesions characterized by dermal proliferation of melanocytes presenting as blue to black nodules on the head, extremities, or buttocks. In most cases, they are acquired and present as a solitary lesion but may also be congenital and appear at multiple sites. Blue nevi are melanotic dermal lesions that commonly presents as a blue nodule on the scalp, extremities, sacrococcygeal region, or buttocks. Its characteristic blue to black hue is frequently confused with other darker pigmented lesions, including malignant melanoma.