Nevus ya bluu (Blue nevus) ni aina ya nevus ya rangi, kwa kawaida kinundu kimoja cha bluu au nyeusi kilichowekwa alama. Rangi ya bluu ya nevus husababishwa na seli za rangi kuwa ndani ya ngozi.
Wakati mwingine biopsi hufanywa, au kidonda kizima huondolewa kwa upasuaji. Matokeo ya kliniki kwa ujumla ni mazuri na kuna nafasi ndogo ya mabadiliko ya saratani. Utambuzi tofauti ni pamoja na dermatofibroma na melanoma.
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.
☆ AI Dermatology — Free Service Katika matokeo ya 2022 ya Stiftung Warentest kutoka Ujerumani, kuridhika kwa watumiaji na ModelDerm kulikuwa chini kidogo kuliko na mashauriano ya matibabu ya simu yanayolipishwa.
Kwa sababu seli za nevus zipo kwa undani, inaonekana bluu.
Mfano usio wa kawaida ― Nevus ya bluu (Blue nevus) kwa kawaida huwa na umbo linganifu. Katika hali kama hizo, saratani ya seli ya msingi (basal cell carcinoma) na melanoma inapaswa kutofautishwa.
Blue nevus inarejelea kundi la viota vya ngozi vinavyosababishwa na ukuaji kupita kiasi wa melanositi, kuonekana kama buluu hadi noduli meusi (black nodules) kwenye kichwa, mikono, au matako. Kwa kawaida huwa hazijapata (acquired) na hupatikana, lakini pia wanaweza kuwepo tangu kuzaliwa na kutokea katika maeneo mengi. Vidonda hivi, ambavyo mara nyingi huchukuliwa kimakosa kuwa na rangi nyeusi kama vile melanoma, kwa kawaida huonekana bluu kichwani, mikononi, sehemu ya chini ya mgongo au matako. 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.
Wakati mwingine biopsi hufanywa, au kidonda kizima huondolewa kwa upasuaji. Matokeo ya kliniki kwa ujumla ni mazuri na kuna nafasi ndogo ya mabadiliko ya saratani. Utambuzi tofauti ni pamoja na dermatofibroma na melanoma.