Melanonychia: Etiology, Diagnosis, and Treatment

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. Melanonych...

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Main Authors: Archana Singal, Kavita Bisherwal
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2020-01-01
Series:Indian Dermatology Online Journal
Subjects:
Online Access:http://www.idoj.in/article.asp?issn=2229-5178;year=2020;volume=11;issue=1;spage=1;epage=11;aulast=Singal
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author Archana Singal
Kavita Bisherwal
author_facet Archana Singal
Kavita Bisherwal
author_sort Archana Singal
collection DOAJ
description 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. Melanonychia especially in a longitudinal band form can be due to both local and systemic causes. An understanding of the epidemiology, pathophysiology and clinical details is necessary for adequate patient care and counseling. It not only helps in the early recognition of melanoma but also prevents unnecessary invasive work up in cases with benign etiology. An early diagnosis of malignant lesion is the key to favourable outcome. Though there are no established guidelines or algorithms for evaluating melanonychia, a systematic stepwise approach has been suggested to arrive at a probable etiology. We, hereby, review the aetiology, clinical features, diagnostic modalities and management protocol for melanonychia.
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spelling doaj.art-b3e7ddfa7dba4a5896c221fa5fa048192022-12-22T03:54:05ZengWolters Kluwer Medknow PublicationsIndian Dermatology Online Journal2229-51782020-01-0111111110.4103/idoj.IDOJ_167_19Melanonychia: Etiology, Diagnosis, and TreatmentArchana SingalKavita BisherwalMelanonychia 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. Melanonychia especially in a longitudinal band form can be due to both local and systemic causes. An understanding of the epidemiology, pathophysiology and clinical details is necessary for adequate patient care and counseling. It not only helps in the early recognition of melanoma but also prevents unnecessary invasive work up in cases with benign etiology. An early diagnosis of malignant lesion is the key to favourable outcome. Though there are no established guidelines or algorithms for evaluating melanonychia, a systematic stepwise approach has been suggested to arrive at a probable etiology. We, hereby, review the aetiology, clinical features, diagnostic modalities and management protocol for melanonychia.http://www.idoj.in/article.asp?issn=2229-5178;year=2020;volume=11;issue=1;spage=1;epage=11;aulast=Singaldermoscopylongitudinal melanonychiamelanonychianailonychoscopypigmentation
spellingShingle Archana Singal
Kavita Bisherwal
Melanonychia: Etiology, Diagnosis, and Treatment
Indian Dermatology Online Journal
dermoscopy
longitudinal melanonychia
melanonychia
nail
onychoscopy
pigmentation
title Melanonychia: Etiology, Diagnosis, and Treatment
title_full Melanonychia: Etiology, Diagnosis, and Treatment
title_fullStr Melanonychia: Etiology, Diagnosis, and Treatment
title_full_unstemmed Melanonychia: Etiology, Diagnosis, and Treatment
title_short Melanonychia: Etiology, Diagnosis, and Treatment
title_sort melanonychia etiology diagnosis and treatment
topic dermoscopy
longitudinal melanonychia
melanonychia
nail
onychoscopy
pigmentation
url http://www.idoj.in/article.asp?issn=2229-5178;year=2020;volume=11;issue=1;spage=1;epage=11;aulast=Singal
work_keys_str_mv AT archanasingal melanonychiaetiologydiagnosisandtreatment
AT kavitabisherwal melanonychiaetiologydiagnosisandtreatment