Melanonychia
نویسندگان
چکیده
Figure 1. Melanonychia of the small finger of the left hand with biopsy site from trephination. Biopsy was inconclusive , and more invasive biopsy was warranted. Figure 2. Complete nail plate removal for biopsy with insertion of sterile silicone sheeting in nail fold to prevent synechiae.
منابع مشابه
Melanonychia Julie Jefferson and Phoebe Rich
Melanonychia, or melanin-derived brown-to-black nail pigmentation, is a diagnostic challenge for clinicians. The most serious disease of the nail unit, melanoma, primarily presents with melanonychia. However, melanonychia most often occurs as a result of benign etiologies such as nail matrix melanocytic activation, nail matrix melanocytic hyperplasia, and nail invasion by melaninproducing patho...
متن کاملMelanonychia striata secondary to pigmented nail matrix fibroma simulating nodular melanoma Melanoníquia estriada secundária a fibroma da matriz ungueal pigmentado simulando melanoma nodular
Melanonychia corresponds to color patterns in the nail plate, ranging from brown to black. It is a diagnostic challenge due to the fact it has several differential diagnoses, including benign and malignant entities. There are no reports of pigmented fibroma of the nail matrix causing striata (or longitudinal) melanonychia. In light of this fact, the authors report a case of melanonychia striata...
متن کاملMelanonychia
Melanonychia, or melanin-derived brown-to-black nail pigmentation, is a diagnostic challenge for clinicians. The most serious disease of the nail unit, melanoma, primarily presents with melanonychia. However, melanonychia most often occurs as a result of benign etiologies such as nail matrix melanocytic activation, nail matrix melanocytic hyperplasia, and nail invasion by melanin-producing path...
متن کاملMelanonychia in Patients Infected with Human Immunodeficiency Virus Original Communication
Study Purposes. This study examined whether melanonychia was more prevalent in 1) HIV positive individuals compared to HIV negative persons, 2) HIV positives exposed to zidovudine and/or stavudine and 3) those with darker skin pigmentation. Procedures. 267 HIV positive and 273 HIV negative patients were examined for presence or absence of melanonychia and level of skin pigmentation using the Fi...
متن کاملAcquired Melanonychia in Chilean Patients with Essential Thrombocythemia Treated with Hydroxyurea: A Report of 7 Clinical Cases and Review of the Literature
Longitudinal melanonychia has been associated with a range of drugs, especially chemotherapeutic agents. We report 7 cases of melanonychia associated with the use of hydroxycarbamide for essential thrombocythemia. Of a patient population of 27, 7 (26%) developed melanonychia over a period of 2-7 years, and was not dose dependent. The high incidence of melanonychia in Chilean patients may be in ...
متن کاملKey point in dermoscopic differentiation between early nail apparatus melanoma and benign longitudinal melanonychia.
Longitudinal melanonychia presents in various conditions including neoplastic and reactive disorders. It is much more frequently seen in non-Caucasians than Caucasians. While most cases of nail apparatus melanoma start as longitudinal melanonychia, melanocytic nevi of the nail apparatus also typically accompany longitudinal melanonychia. Identifying the suspicious longitudinal melanonychia is t...
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عنوان ژورنال:
دوره 15 شماره
صفحات -
تاریخ انتشار 2015