Summary
Definition
History and exam
Key diagnostic factors
- presença de fatores de risco
- dor, edema, drenagem (aguda)
- dobra ungueal edemaciada e purulenta (aguda)
- irregularidades da lâmina ungueal (crônica)
- edema/vermelhidão das dobras ungueais (crônica)
- dobras ungueais rosas e edemaciadas (crônica)
- cutícula ausente (crônica)
- anormalidades da lâmina ungueal subjacente (crônica)
Risk factors
- lesão microscópica ou macroscópica das dobras ungueais (aguda)
- riscos ocupacionais (agudos e crônicos)
- dano de barreira às dobras ungueais, cutícula (crônico)
- unha encravada
- medicamentos (crônico)
- crianças e adultos
- mulheres
Diagnostic tests
1st tests to order
- swab para coloração de Gram, cultura e sensibilidade (aguda ou aguda em crônica)
- swab para esfregaço de Tzanck (aguda, herpética)
Tests to consider
- hidróxido de potássio ou cultura fúngica (crônica)
- radiografia
- RNM
- biópsia cutânea/óssea
Treatment algorithm
paroníquia aguda
paroníquia crônica
retroníquia
Contributors
Authors
Shirin Zaheri, MBBS, BSc, MRCP
Dermatology Consultant
Charing Cross Hospital
Imperial College NHS Trust
London
UK
Disclosures
SZ declares that she has no competing interests.
Khawar Hussain, BSc, MRCP, FHEA
Specialty Registrar in Dermatology
Charing Cross Hospital
Imperial College NHS Trust
London
UK
Disclosures
KH has been reimbursed by Sanofi for conference travel expenses.
Acknowledgements
Dr Shirin Zaheri and Dr Khawar Hussain would like to gratefully acknowledge Dr Catherine Hardman, Dr Nathaniel J. Jellinek, Professor C. Ralph Daniel III, and Dr Shaimaa Nassar, previous contributors to this topic.
Disclosures
NJJ, CH, and SN declare that they have no competing interests. CRD is an author of a number of references cited in this topic.
Peer reviewers
Shehla Admani, MD
Clinical Assistant Professor of Dermatology
Stanford University School of Medicine
San Jose
CA
Disclosures
SA declares that he has no competing interests.
Differentials
- Panarício herpético
- Mordida ou picada de artrópode
- Lesão traumática
More DifferentialsPatient information
Dermatitis
Fungal nail infections
More Patient informationLog in or subscribe to access all of BMJ Best Practice
Use of this content is subject to our disclaimer