Resumo
Definição
História e exame físico
Principais fatores diagnósticos
- história recorrente de lesões após exposição à radiação ultravioleta
- mulheres jovens e adolescentes
- história familiar de erupção polimorfa à luz
- prurido intenso
- sintomas reduzidos ao longo de um ano
- manchas eritematosas
- pápulas
- placas
- vesículas
Fatores de risco
- exposição à radiação ultravioleta A
- estresse oxidativo/espécies reativas de oxigênio
- história familiar de erupção polimorfa à luz
- sexo feminino
Investigações diagnósticas
Investigações a serem consideradas
- testes de Saidman e de fotoprovocação
- biópsia de pele
Algoritmo de tratamento
tipo papular (erupção polimorfa à luz típica) e tipo erupção em placas com poucas placas pequenas
tipo erupção em placas com placas espessas disseminadas + variante vesiculobolhosa
Colaboradores
Autores
Anusuya Kawsar, MBBS, BMedSci (hons), MRCP
Dermatology Registrar
Hammersmith Hospital
Imperial College Hospitals NHS Trust
London
UK
Disclosures
AK declares that she has no competing interests.
Shirin Zaheri, MBBS, BSc, MRCP
Consultant Dermatologist
Charing Cross/Hammersmith Hospital
Imperial College Hospitals NHS Trust
London
UK
Disclosures
SZ declares that she has no competing interests.
Acknowledgements
Dr Anusuya Kawsar and Dr Shirin Zaheri would like to gratefully acknowledge Dr Mieran Sethi, Dr Catherine Hardman, Dr Sarah Hogan and Dr Ina Marion Hadshiew, previous contributors to this topic. MS has been reimbursed by Vichy and La Roche Posay for presenting video clips and attending conferences about skin disease. CH, SH and IMH declare that they have no competing interests.
Peer reviewers
Erhard Holzle, MD
Professor and Chair
Department of Dermatology
Stadtische Kliniken
Oldenburg
Germany
Disclosures
EH declares that he 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.
References
Key articles
Burfield L, Rutter KJ, Thompson B, et al. Systematic review of the prevalence and incidence of the photodermatoses with meta-analysis of the prevalence of polymorphic light eruption. J Eur Acad Dermatol Venereol. 2023 Mar;37(3):511-20.Full text Abstract
Ling TC, Dawe RS, Gardener E, et al. Interventions for polymorphic light eruption. Cochrane Database Syst Rev. 2017 Oct 9;2017(10):CD005069.Full text
Goulden V, Ling TC, Babakinejad P, et al. British Association of Dermatologists and British Photodermatology Group guidelines for narrowband ultraviolet B phototherapy 2022. Br J Dermatol. 2022 Sep;187(3):295-308.Full text
Reference articles
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
Differentials
- Reação fotoalérgica
- Reação fototóxica
- Dermatite actínica crônica
More DifferentialsGuidelines
- Narrowband ultraviolet B phototherapy
- Sunlight exposure: risks and benefits
More GuidelinesPatient information
Eczema
More Patient information
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