Melanonychia has many causes and can involve one or several fingernails or toenails, and may occur at any age. Dermoscopy is used routinely in the evaluation of a pigmented nail. If pigmentation is caused by melanin produced by nail matrix, identify whether the pigmentation is caused by an activation or proliferation of nail melanocytes. When melanocytic proliferation is suspected, biopsy with histopathologic examination is the gold standard for diagnosis and is recommended when a longitudinal melanonychia occurs in an adult and is localized in a single digit, in the absence of local or systemic causes that may explain its onset.

Diagnosis of Melanonychia / Alessandrini A.; Dika E.; Starace M.; Chessa M.A.; Piraccini B.M.. - In: DERMATOLOGIC CLINICS. - ISSN 0733-8635. - STAMPA. - 39:2(2021), pp. 255-267. [10.1016/j.det.2020.12.004]

Diagnosis of Melanonychia

Alessandrini A.;Dika E.;Starace M.;Chessa M. A.;Piraccini B. M.
Ultimo
2021

Abstract

Melanonychia has many causes and can involve one or several fingernails or toenails, and may occur at any age. Dermoscopy is used routinely in the evaluation of a pigmented nail. If pigmentation is caused by melanin produced by nail matrix, identify whether the pigmentation is caused by an activation or proliferation of nail melanocytes. When melanocytic proliferation is suspected, biopsy with histopathologic examination is the gold standard for diagnosis and is recommended when a longitudinal melanonychia occurs in an adult and is localized in a single digit, in the absence of local or systemic causes that may explain its onset.
2021
Diagnosis of Melanonychia / Alessandrini A.; Dika E.; Starace M.; Chessa M.A.; Piraccini B.M.. - In: DERMATOLOGIC CLINICS. - ISSN 0733-8635. - STAMPA. - 39:2(2021), pp. 255-267. [10.1016/j.det.2020.12.004]
Alessandrini A.; Dika E.; Starace M.; Chessa M.A.; Piraccini B.M.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/851806
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