Blue nevus is a type of melanocytic nevus. The blue colour is caused by the pigment being deeper in the skin than in ordinary nevi. In principle they are harmless but they can sometimes be mimicked by malignant lesions, i.e. some melanomas can look like a blue nevus.
Blue nevus ibhekisa kwiqela lokukhula kwesikhumba okubangelwa kukukhula ngokugqithisileyo kweemelanocyte, ezibonakala ziluhlaza ukuya kumaqhuma amnyama entloko, ezingalweni, okanye ezimpundu. Ngokuqhelekileyo abangatshatanga kwaye bafunyenwe, kodwa banokubakho ukususela ekuzalweni kwaye zenzeke kwiindawo ezininzi. Ezi zilonda, zihlala ziphosakele ngokukhula kwebala elimnyama elifana ne-melanoma, ngokuqhelekileyo zibonakala ziluhlaza okwesibhakabhaka entloko, ezingalweni, emazantsi omqolo, okanye ezimpundu. 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.
Ngamanye amaxesha kuye kwenziwe i-biopsy, okanye isilonda sisuswe sonke ngotyando. Iziphumo zeklinikhi zilungile kwaye kukho ithuba elincinci lokuguqulwa komhlaza. Ukuxilongwa okuhlukeneyo kubandakanya i-dermatofibroma kunye ne-melanoma.