منابع مشابه
Multiple-band melanonychia striata.
KEY LEARNING POINTS MS is defined as a single or multiple black/brown pigmentation bands arranged lengthwise along the nail unit. Physiological MS is more commonly seen in darker phototype individuals and is quite unusual in fair-skinned ethnic groups. MS is the result of increased melanin production by nail matrix melanocytes, which produces a visible pigmentation band in the nail plate. Disti...
متن کاملA case of osteopathia striata.
A girl aged three years was first seen on account of nasal obstruction and recurring bronchitis. Birth had been difficult because of a large head, and delivery was completed with the aid of forceps. The neonatal period was stormy ; she had pneumonia and feeding was difficult because of nasal obstruction. Some improvement took place after the first month, but the feeding difficulty persisted and...
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 کاملA Case of Longitudinal Melanonychia Secondary to Hydroxyurea
Melanonychia commonly appears as a longitudinal band, starting from the matrix and extending to the tip of the nail plate. Less often it presents a transverse band or may inolve whole nail plate. Cutaneous side effects of hydroxyurea are described in 13% of patients including increased pigmentation, hyperkeratosis, skin atrophy, xerosis, lichenoid eruptions, palmar and plantar keratoderma, cuta...
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...
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ژورنال
عنوان ژورنال: International Journal of Research in Medical Sciences
سال: 2021
ISSN: 2320-6012,2320-6071
DOI: 10.18203/2320-6012.ijrms20212247