Diagnosis and Management of Lentigo Maligna: Clinical Presentation and Comprehensive Review

Lentigo maligna (LM), also known as Hutchinson’s melanotic freckle, is a form of in situ melanoma characterized by the proliferation of atypical melanocytes along the basal epidermis in sun-damaged skin. If left untreated, LM will progress to lentigo maligna melanoma (LMM), a form of invasive melano...

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Main Author: Piyu Parth Naik
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Journal of Skin Cancer
Online Access:http://dx.doi.org/10.1155/2021/7178305
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author Piyu Parth Naik
author_facet Piyu Parth Naik
author_sort Piyu Parth Naik
collection DOAJ
description Lentigo maligna (LM), also known as Hutchinson’s melanotic freckle, is a form of in situ melanoma characterized by the proliferation of atypical melanocytes along the basal epidermis in sun-damaged skin. If left untreated, LM will progress to lentigo maligna melanoma (LMM), a form of invasive melanoma with the same prognosis as other forms of invasive melanoma. LM is more common in the elderly, with a peak occurrence between the ages of 65 and 80 years. LM, however, is rarely present on the trunk and extremities. The diagnosis of LM, confirmed by histopathological and biopsy examination, is based on clinical and dermoscopic features. It typically begins as a tan-brown macule or patch, but it can progress to a variegated pigmentation with dark black color or even amelanotic characteristics. The risk factors involved in the LM development include a history of sunburns, lighter skin types, advanced age, history of nonmelanoma skin cancers, and tendency to form solar lentigines. This article explains the clinical presentation of LM, also reviews the available information on the diagnosis and management of LM, and discusses the potential of such information in facilitating the future prospective.
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spelling doaj-art-1a674d694f0e41e2a628a9ce3c9d92982025-02-03T07:24:01ZengWileyJournal of Skin Cancer2090-29052090-29132021-01-01202110.1155/2021/71783057178305Diagnosis and Management of Lentigo Maligna: Clinical Presentation and Comprehensive ReviewPiyu Parth Naik0Department of Dermatology, Saudi German Hospitals and Clinics, Hessa Street 331 West, Al Barsha 3, Exit 36 Sheikh Zayed Road, Opposite of American School, Dubai, UAELentigo maligna (LM), also known as Hutchinson’s melanotic freckle, is a form of in situ melanoma characterized by the proliferation of atypical melanocytes along the basal epidermis in sun-damaged skin. If left untreated, LM will progress to lentigo maligna melanoma (LMM), a form of invasive melanoma with the same prognosis as other forms of invasive melanoma. LM is more common in the elderly, with a peak occurrence between the ages of 65 and 80 years. LM, however, is rarely present on the trunk and extremities. The diagnosis of LM, confirmed by histopathological and biopsy examination, is based on clinical and dermoscopic features. It typically begins as a tan-brown macule or patch, but it can progress to a variegated pigmentation with dark black color or even amelanotic characteristics. The risk factors involved in the LM development include a history of sunburns, lighter skin types, advanced age, history of nonmelanoma skin cancers, and tendency to form solar lentigines. This article explains the clinical presentation of LM, also reviews the available information on the diagnosis and management of LM, and discusses the potential of such information in facilitating the future prospective.http://dx.doi.org/10.1155/2021/7178305
spellingShingle Piyu Parth Naik
Diagnosis and Management of Lentigo Maligna: Clinical Presentation and Comprehensive Review
Journal of Skin Cancer
title Diagnosis and Management of Lentigo Maligna: Clinical Presentation and Comprehensive Review
title_full Diagnosis and Management of Lentigo Maligna: Clinical Presentation and Comprehensive Review
title_fullStr Diagnosis and Management of Lentigo Maligna: Clinical Presentation and Comprehensive Review
title_full_unstemmed Diagnosis and Management of Lentigo Maligna: Clinical Presentation and Comprehensive Review
title_short Diagnosis and Management of Lentigo Maligna: Clinical Presentation and Comprehensive Review
title_sort diagnosis and management of lentigo maligna clinical presentation and comprehensive review
url http://dx.doi.org/10.1155/2021/7178305
work_keys_str_mv AT piyuparthnaik diagnosisandmanagementoflentigomalignaclinicalpresentationandcomprehensivereview