(HealthDay News) – Intraoperative reflectance confocal microscopy (RCM) can be used to diagnose melanonychia striata in the nail matrix. Sébastien Debarbieux, MD, of the Centre Hospitalier Lyon Sud in ... Longitudinal melanonychia, also called "melanonychia striata," describes a pigmented, brown to black, longitudinal streak of the nail plate due to increased activity of melanocytes or melanocytic hyperplasia in the nail matrix, with increased melanin deposition in the nail plate [1,2].
Melanonychia commonly manifests as a longitudinal brown or black band on the nail plate, often referred to as longitudinal melanonychia or melanonychia striata. The appearance of these bands can vary in width, color intensity, and the number of bands present on a single nail. Melanonychia striata presents as a longitudinal streak or irregular band of nonblanchable, brown, black, or tan discolorations that span the entire nail bed. Please provide your email address to receive an email when new articles are posted on .
melanonychia striata, Pediatric longitudinal melanonychia should be treated differently from longitudinal melanonychia in adults, as ... This page lists all known medications that could potentially lead to 'Melanonychia' as a side effect. It's important to note that mild side effects are quite common with medications. The medication(s) ... Melanonychia, a black line on your nail, can be a sign of melanoma or benign pigmentation changes.
melanonychia striata, Injuries, medications, and conditions like hyperthyroidism may also cause dark lines on your nails. 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.
