Is e seòrsa de nevus dathte a th’ ann an Gorm Nevus (Blue nevus), mar as trice aon nodule gorm no dubh le comharradh math. Tha dath gorm an nevus air adhbhrachadh le bhith gu bheil na ceallan pigmentach domhainn sa chraiceann.
Bidh biopsy uaireannan air a dhèanamh, no thèid an lesion gu lèir a thoirt air falbh le lannsaireachd. Tha an toradh clionaigeach math san fharsaingeachd agus tha teansa beag ann an cruth‑atharrachadh aillse. Tha breithneachadh eadar‑dhealaichte a’ toirt a-steach dermatofibroma agus 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.
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Leis gu bheil na ceallan nevus gu math domhainn, tha coltas gorm orra.
Eisimpleir neo-àbhaisteach: mar as trice, tha cumadh co‑chothromach air Gorm Nevus (Blue nevus). Bu chòir carcinoma cealla basal agus melanoma a bhith air an eadar‑dhealachadh ann an leithid de chùisean.
Tha Blue nevus a’ toirt iomradh air buidheann de dh’fhàsan craiceann a tha air an adhbhrachadh le cus fàs melanocytes, a’ nochdadh mar chnapan gorm no dubh air a’ cheann, gàirdeanan no cnapan. Mar as trice bidh iad singilte agus air an togail, ach faodaidh iad a bhith an làthair bhon bhreith agus tachairt ann an raointean eile. Gu tric, tha na leòintean sin air am mealladh airson fàsan pigmentach nas dorcha, mar melanoma, a’ nochdadh gorm air sgalp, gàirdeanan, cùl nas ìsle no cnapan. 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.
Bidh biopsy uaireannan air a dhèanamh, no thèid an lesion gu lèir a thoirt air falbh le lannsaireachd. Tha an toradh clionaigeach math san fharsaingeachd agus tha teansa beag ann an cruth‑atharrachadh aillse. Tha breithneachadh eadar‑dhealaichte a’ toirt a-steach dermatofibroma agus melanoma.