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Nevi

Última revisão: 20 Aug 2025
Última atualização: 20 Nov 2024

Resumo

Definição

História e exame físico

Principais fatores diagnósticos

  • presence since birth
  • asymmetric, indistinct or irregularly bordered, variably colored papules with diameter >5 mm
  • history of change in shape and color
  • asymptomatic (usually)
  • multiple lesions
  • flat, brown macule
  • dome-shaped papule
  • light brown background with speckled darker brown spots within
  • blue-gray dome-shaped papule
  • central pink-to-brown papule with a surrounding depigmented white ring
  • pinkish-brown papule
Detalhes completos

Fatores de risco

  • genetic predisposition
  • fair skin
  • age: older children and young adults
  • ultraviolet exposure
Detalhes completos

Investigações diagnósticas

Primeiras investigações a serem solicitadas

  • dermatoscopy
Detalhes completos

Investigações a serem consideradas

  • non-invasive imaging technologies
  • total body photography
  • biopsy
Detalhes completos

Novos exames

  • whole genome sequencing
  • pigmented lesion assay (PLA)

Algoritmo de tratamento

AGUDA

clinically benign

clinically suspicious for melanoma

Colaboradores

Autores

Jason B. Lee, MD
Jason B. Lee

Professor of Dermatology & Cutaneous Biology

Clinical Vice-Chair

Director of Dermatopathology Fellowship

Director of Pigmented Lesion Clinic

Thomas Jefferson University

Philadelphia

PA

Declarações

JBL declares that he has no competing interests.

Agradecimentos

Dr Jason B. Lee would like to gratefully acknowledge Dr Laurel R. Schwartz, a previous contributor to this topic.

Declarações

LRS declares that she has no competing interests.

Revisores

Craig G. Burkhart, MD

Clinical Professor

Department of Medicine

Medical College of Ohio

Toledo

OH

Declarações

CGB declares that he has no competing interests.

Mark Hurt, MD

Dermatologist

Cutaneous Pathology

WCP Laboratories

Missouri

MO

Declarações

MH declares that he has no competing interests.

Veronique Bataille, MBBS

Consultant Dermatologist

West Herts NHS Trust and King's College London

London

UK

Declarações

VB declares that she has no competing interests.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

Referências

Nossas equipes internas de editoria e de evidências trabalham em conjunto com colaboradores internacionais especializados e pares revisores para garantir que forneçamos acesso às informações o mais clinicamente relevantes possível.

Principais artigos

Duffy K, Grossman D. The dysplastic nevus: from historical perspective to management in the modern era: part I. Historical, histologic, and clinical aspects. J Am Acad Dermatol. 2012 Jul;67(1):1.e1-16. Resumo

Duffy K, Grossman D. The dysplastic nevus: from historical perspective to management in the modern era. Part II. Molecular aspects and clinical management. J Am Acad Dermatol. 2012 Jul;67(1):19.e1-12. Resumo

US Preventive Services Task Force. Final recommendation statement. Skin cancer: screening. Apr 2023 [internet publication].Texto completo  Resumo

Artigos de referência

Uma lista completa das fontes referenciadas neste tópico está disponível para os usuários com acesso total ao BMJ Best Practice.
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  • Diagnósticos diferenciais

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    • Skin cancer: screening
    • The 2018 World Health Organization classification of cutaneous, mucosal, and uveal melanoma: detailed analysis of 9 distinct subtypes defined by their evolutionary pathway
    Mais Diretrizes
  • Folhetos informativos para os pacientes

    Skin cancer (melanoma): what is it?

    Skin cancer (melanoma): how is it diagnosed and treated?

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