Melanonychia baƙar fata ne ko launin ruwan kasa na farantin ƙusa na yau da kullun, kuma yana iya kasancewa a matsayin bincike na yau da kullun akan lambobi da yawa a cikin mutanen Afro-Caribbeans.
Faɗin band, mai launi mai zurfi tare da layin da ba na yau da kullun ba tare da tsawaita launi a kan kyallen jikin bangon bango alama ce ta melanoma.
Melanonychia is a black or brown pigmentation of the normal nail plate, and may be present as a normal finding on many digits in Afro-Caribbeans, as a result of trauma, systemic disease, or medications, or as a postinflammatory event from such localized events as lichen planus or fixed drug eruption.
☆ A cikin sakamakon Stiftung Warentest na 2022 daga Jamus, gamsuwar mabukaci tare da ModelDerm ya ɗan yi ƙasa kaɗan fiye da biyan shawarwarin telemedicine.
Ana lura da layukan da ba a saba gani ba. Melanonychia galibi ba su da kyau, amma idan akwai layukan da ba su dace ba a wannan matakin, ana iya yin la'akari da biopsy.
Yawancin marasa lafiya suna samun melanonychia game da shi, saboda yana haifar da launin ruwan kasa-baƙar fata na farantin ƙusa. Yana da dalili akai-akai don canza launin ƙusa, tare da haddasawa daga jere zuwa mai tsanani, irin su melanomas. Tsawon bandeji-kamar melanonychia na iya tasowa daga yanayi daban-daban na gida ko na tsari. Melanonychia is a very worrisome entity for most patients. It is characterized by brownish black discoloration of nail plate and is a common cause of nail plate pigmentation. The aetiology of melanonychia ranges from more common benign causes to less common invasive and in situ melanomas. Melanonychia especially in a longitudinal band form can be due to both local and systemic causes.
Melanonychia represents a brown to black discoloration of the nail plate that may be induced by benign or malignant causes. Two main mechanisms are involved in the appearance of melanonychias, i.e., melanocytic activation and melanocytic hyperplasia.
Faɗin band, mai launi mai zurfi tare da layin da ba na yau da kullun ba tare da tsawaita launi a kan kyallen jikin bangon bango alama ce ta melanoma.