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.
☆ Ninu awọn abajade 2022 Stiftung Warentest lati Jẹmánì, itẹlọrun alabara pẹlu ModelDerm jẹ kekere diẹ ju pẹlu awọn ijumọsọrọ telemedicine isanwo.
Dani ọpọ ila ti wa ni šakiyesi. Melanonychia pupọ julọ ko dara, ṣugbọn ti ọpọlọpọ awọn laini alaibamu wa ni ipele yii, a le gbero biopsy kan.
Ọpọlọpọ awọn alaisan ri melanonychia nipa, bi o ṣe fa iyipada awọ dudu-dudu ti àlàfo awo. O jẹ idi loorekoore fun iyipada eekanna, pẹlu awọn okunfa ti o wa lati alagara si pataki to ṣe pataki, gẹgẹbi melanomas. Ẹgbẹ gigun-gẹgẹ bi melanonychia le jẹyọ lati oriṣiriṣi agbegbe tabi awọn ifosiwewe eto. 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.
Fífẹ̀, ẹgbẹ́ aláwọ̀ jinlẹ̀ jinlẹ̀ pẹ̀lú àwọn laini aláìṣeédéé àti àtẹ̀gùn aláwọ̀ síra àwọn àsopọ̀ ẹ̀gbẹ́ jẹ́ àmì fún melanoma.