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Actinic keratosis

Evidencia revisada por última vez: 26 Mar 2026
Tema actualizado por última vez: 08 Apr 2025

Resumen

Definición

Anamnesis y examen

Principales factores de diagnóstico

  • single or multiple scaly macules or plaques
  • scaly lesions with a hyperkeratotic surface
  • well-defined, scaly, brown lesions
  • lesions resembling seborrheic keratosis, melanocytic nevus, and early malignant melanoma
  • hypertrophic conical-shaped protuberances growing from the surface of the skin
  • scaly red roughness with induration, fissuring, and ulceration of the lower lip and the vermilion border
  • lesion on sun-exposed area of body
  • skin-colored, papillomatous, elevated wartlike papules
  • plaques with very mild scale over very thin shiny skin
  • violaceous well-defined papules with fine white lines on the surface
Todos los datos

Otros factores de diagnóstico

  • evidence of sun damage to skin
  • pruritus or bleeding
Todos los datos

Factores de riesgo

  • chronic exposure to UVB radiation
  • light-colored skin, freckling, and albinism
  • age >40 years
  • male sex
  • immunocompromise
  • xeroderma pigmentosum
Todos los datos

Pruebas diagnósticas

Pruebas diagnósticas que deben considerarse

  • dermoscopy
  • skin biopsy
Todos los datos

Algoritmo de tratamiento

En curso

confluent scalp lesions

head and face lesions, excluding periorbital, actinic cheilitis, and confluent scalp lesions

periorbital

actinic cheilitis

back of hands

below the knee

Colaboradores

Autores

Brian Berman, MD, PhD
Brian Berman

Professor Emeritus of Dermatology and Cutaneous Surgery

University of Miami Miller School of Medicine

Miami

Skin & Cancer Associates, LLP

Co-Director

Center for Clinical and Cosmetic Research

Aventura

FL

Divulgaciones

BB is, or has been, a paid consultant/advisor for Almirall (manufacturer of tirbanibulin), Lemonex, Berg/BPGBio Pharma, Novartis, Aiviva, Ferndale, Sensus, Novan, Pierre Fabre (manufacturer of 5-FU), Biofrontera (manufacturer of ALA), SUN (manufacturer of ALA), LEO (manufacturer of ingenol mebutate - removed from market), Sirnaomics, Menlo, Sonoma, PHD Biosciences, Birch BioMed, Mediwound, Mino Labs, and Thirona. He has been a speaker for Almirall (manufacturer of tirbanibulin), LEO (manufacturer of ingenol mebutate), and Sensus. His institution has received investigator funding from Biofrontera (manufacturer of ALA), LEO (manufacturer of ingenol mebutate), Pulse, Sirnaomics, Menlo, Birch BioMed, and Mediwound. BB has stock options in Thirona and Mino Labs.

Sadegh Amini, MD
Sadegh Amini

Dermatologist

Skin and Cancer Associates

Voluntary Assistant Professor

Department of Dermatology and Cutaneous Surgery

University of Miami

Miller School of Medicine

Miami

FL

Divulgaciones

SA has been compensated by Primus Pharmaceuticals, Inc. for being a member of the clinical advisory board.

Revisores por pares

David S. Cassarino, MD, PhD

Assistant Professor

Departments of Pathology and Dermatology

UCLA

Los Angeles

CA

Divulgaciones

DSC declares that he has no competing interests.

Christopher Shea, MD

Dermatopathology Fellowship Director

University of Chicago

Section of Dermatology

Chicago

IL

Declarações

CS declares that he has no competing interests.

Créditos aos pareceristas

Os tópicos do BMJ Best Practice são constantemente atualizados, seguindo os desenvolvimentos das evidências e das diretrizes. Os pareceristas aqui listados revisaram o conteúdo pelo menos uma vez durante a história do tópico.

Declarações

As afiliações e declarações dos pareceristas referem--se ao momento da revisão.

Referências

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Principais artigos

Berman B, Bienstock L, Kuritzky L, et al. Primary Care Education Consortium; Texas Academy of Family Physicians. Actinic keratoses: sequelae and treatments. Recommendations from a consensus panel. J Fam Pract. 2006 May;55(5):suppl 1-8. Resumo

de Berker D, McGregor JM, Mohd Mustapa MF, et al. British Association of Dermatologists' guidelines for the care of patients with actinic keratosis 2017. Br J Dermatol. 2017 Jan;176(1):20-43. Resumo

Eisen DB, Asgari MM, Bennett DD, et al. Guidelines of care for the management of actinic keratosis. J Am Acad Dermatol. 2021 Oct;85(4):e209-33.Texto completo  Resumo

European Dermatology Forum. Evidence and consensus based (S3) guidelines for the treatment of actinic keratosis. 2015 [internet publication].Texto completo

Eisen DB, Dellavalle RP, Frazer-Green L, et al. Focused update: guidelines of care for the management of actinic keratosis. J Am Acad Dermatol. 2022 Aug;87(2):373-4.e5.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.
  • Actinic keratosis images
  • Diagnósticos diferenciais

    • Squamous cell carcinoma (SCC) in situ (Bowen disease)
    • Invasive SCC
    • Keratoacanthoma
    Mais Diagnósticos diferenciais
  • Diretrizes

    • Focused update: guidelines of care for the management of actinic keratosis
    • Guidelines of care for the management of actinic keratosis
    Mais Diretrizes
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