Blue nevus ndi mtundu wa nevus wachikuda, womwe nthawi zambiri umakhala wamtundu wabuluu kapena wakuda. Mtundu wa buluu wa nevus umayamba chifukwa cha ma cell a pigmentary omwe ali mkati mwa khungu.
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.
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Chifukwa ma cell a nevus amapezeka mozama, amawoneka ngati buluu.
Chitsanzo chachilendo ― Blue nevus nthawi zambiri imakhala ndi mawonekedwe ofanana. Zikatero, basal cell carcinoma ndi melanoma ziyenera kusiyanitsidwa
Blue nevus imatanthawuza gulu la zophuka zapakhungu zomwe zimadza chifukwa cha kukula kwakukulu kwa ma melanocyte, kuwoneka ngati buluu mpaka tokhala wakuda pamutu, mikono, kapena matako. Nthawi zambiri amakhala osakwatiwa ndipo amapezedwa, koma amathanso kukhalapo kuyambira kubadwa ndipo amapezeka m'malo angapo. Zilondazi, zomwe nthawi zambiri zimaganiziridwa kuti ndi zobiriwira zakuda ngati melanoma, nthawi zambiri zimawonekera buluu pamutu, m'mikono, m'munsi, kapena 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.
Nthawi zina biopsy imachitidwa, kapena chotupa chonsecho chimachotsedwa. Zotsatira zachipatala nthawi zambiri zimakhala zabwino ndipo pali mwayi wochepa wosintha khansa. Kuzindikira kosiyana kumaphatikizapo dermatofibroma ndi melanoma.