Results 11 to 20 of about 1,321 (151)
Cyclophosphamide-induced melanonychia [PDF]
African Journal of Nephrology, 2019 A case of drug-induced melanonychia due to cyclophosphamide is described in a patient with lupus nephritis. This resolved completely at 20 weeks after stopping the drug.
Mazhar H Amirali, Mogamat-Yazied Chothia
doaj +2 more sources
Dermatology Research and Practice, 2012 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
Julie Jefferson, Phoebe Rich
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Optimizing Biopsy Decisions in Benign Longitudinal Melanonychia: A Dermoscopic‐Pathologic Study of Nail Matrix Nevus vs. Melanocytic Activation [PDF]
Skin Research and Technology, Volume 32, Issue 8, August 2026.ABSTRACT Background Longitudinal melanonychia (LM) is a common clinical manifestation of nail melanocytic lesions and poses diagnostic challenges in distinguishing benign melanocytic activation (MA) from melanocytic hyperplasia such as nail matrix nevus(NMN).
Qilin Sun +7 more
wiley +2 more sources
Use of Nail Dermoscopy in the Management of Melanonychia [PDF]
Dermatology Practical & Conceptual, 2019 The term melanonychia describes a black-brown-gray pigmentation of the nail plate that, in most cases, appears as a longitudinal band. Melanonychia can be observed at any age, affecting one digit or several digits, in both fingernails and toenails.
Michela Starace +3 more
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Longitudinal Melanonychia as a Rare Sign of Invasive Squamous Cell Carcinoma: Case Report and Systematic Review [PDF]
Acta Dermato-VenereologicaA 50-year-old male presented with 4-month history of longitudinal melanonychia on the fourth digit of his right foot. A nail matrix and bed biopsy was performed, which led to the diagnosis of invasive well-differentiated squamous cell carcinoma ...
Davide Bertolla +4 more
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Longitudinal Melanonychia as a Presenting Sign of Onychopapilloma: A Case Report and Review of the Literature [PDF]
Case Reports in Dermatological Medicine, Volume 2026, Issue 1, 2026.Onychopapilloma is a benign tumor of the nail unit characterized by broad clinical variability, which frequently delays diagnosis. It typically presents as longitudinal erythronychia, melanonychia, subungual hyperkeratosis, or a distal nail mass.
Erandy Alicia Salcedo Elguea +4 more
wiley +2 more sources
Seven Plus One Steps to Assess Pigmented Nail Bands (Melanonychia Striata Longitudinalis)
Dermatology Practical & Conceptual, 2023 Melanonychia striata longitudinalis might involve one or more fingers and/or toes and might result from several different causes, including benign and malignant tumors, trauma, infections, and acti-vation of melanocytes that might be reactive or related ...
Aimilios Lallas +6 more
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Dotted Pigmentation of the Cuticle [PDF]
Pediatric Dermatology, Volume 43, Issue 2, Page 496-498, March/April 2026.ABSTRACT Longitudinal melanonychia in children is usually caused by nail matrix nevi and often fades over time. Pediatric patients with this finding are frequently referred to dermatologists due to concerns that it may represent melanoma. We report a case of a 4‐year‐old girl with longitudinal melanonychia on the left second fingernail, accompanied by ...
Anna Bolzon, Antonella Tosti
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Intraoperative Nail Matrix Assessment in Longitudinal Melanonychia [PDF]
International Journal of Dermatology, Volume 65, Issue 7, Page 1450-1456, July 2026.ABSTRACT Background Longitudinal melanonychia (LM) may represent subungual melanoma (SUM), yet clinical differentiation from benign LM remains challenging. Intraoperative dermoscopy (IOD) improves diagnostic accuracy but requires specialized equipment and time.
Eran Galili +6 more
wiley +2 more sources
Melanonychia Secondary to Long-Term Treatment with Hydroxycarbamide: An Essential Thrombocytosis Case [PDF]
Case Reports in Hematology, 2015 Hydroxycarbamide is used in the treatment of essential thrombocytosis and other myeloproliferative disorders. We report the case of a 63-year-old woman with essential thrombocytosis who had melanonychia after the long-term use of the hydroxycarbamide ...
Umit Yavuz Malkan +4 more
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