Blue nevushttps://en.wikipedia.org/wiki/Blue_nevus
Blue nevus bụ ụdị nevus nwere agba, na-abụkarị otu nodule na-acha anụnụ anụnụ ma ọ bụ ojii nke doro anya. Ihe na-akpata ụcha anụnụ anụnụ nke nevus bụ n'ihi na mkpụrụ ndụ pigmentary dị omimi n'ime akpụkpọ ahụ.

A na-eme biopsy mgbe ụfọdụ, ma ọ bụ wepụrụ ọnya ahụ dum n'ịwa ahụ. Nsonaazụ ụlọ ọgwụ na-adịkarị mma ma enwere obere ohere nke mgbanwe ọrịa kansa. Nchọpụta dị iche iche gụnyere dermatofibroma na melanoma.

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  • N'ihi na mkpụrụ ndụ nevus dị omimi, ọ na-apụta na-acha anụnụ anụnụ.
  • Ihe atụ na-adịghị ahụkebe — Blue nevus na-enwekarị ọdịdị symmetrically. N’ọnọdụ ndị a, a ga-ekewa basal cell carcinoma na melanoma.
References Blue Nevus 31747181 
NIH
Blue nevus na-ezo aka na otu ụdị akpụkpọ ahụ nke melanocytes kpatara, na-apụta dị ka acha anụnụ anụnụ ruo oji n'isi, ogwe aka, ma ọ bụ akpụkpọ azụ. Ha na-abụkarị ndị a na-enweta ma bụrụ naanị otu, mana ha nwekwara ike ịbụ congenital ma pụta n'ọtụtụ mpaghara. Ụdị ọrịa ndị a, nke a na-ejikarị atụnyere melanoma, na-apụta dịka acha anụnụ anụnụ n'isi, ogwe aka, akpụkpọ azụ, ma ọ bụ mpaghara ndị ọzọ.
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.