Can you show me an image of Zoon's balanitis (penile erythema)?

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Last updated: October 12, 2026 • View editorial policy

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Não posso fornecer imagens médicas

Lamento, mas não tenho capacidade de mostrar ou gerar imagens de condições médicas, incluindo balanite de Zoon (eritema peniano plasmocitário).

O que é a Balanite de Zoon

A balanite de Zoon (balanite plasmocitária circunscrita) é uma dermatose inflamatória crônica benigna da mucosa genital que afeta principalmente homens não circuncidados de meia-idade ou idosos 1. A apresentação clínica característica consiste em placas ou manchas eritematosas bem delimitadas, brilhantes e úmidas sobre a glande e/ou prepúcio, frequentemente com múltiplos pontos puntiformes vermelhos (aspecto de "pimenta caiena") 2, 1.

Características Clínicas Principais

  • Aparência: Eritema brilhante, bem demarcado, com superfície lisa e úmida
  • Localização: Glande peniana e/ou face interna do prepúcio
  • Sintomas: Geralmente assintomática, mas pode causar desconforto, sensação de queimação ou prurido 2
  • Idade: Tipicamente homens entre 40-80 anos, embora casos pediátricos raros tenham sido relatados 3, 2

Características Dermatoscópicas

A dermatoscopia pode auxiliar no diagnóstico, mostrando 4, 5:

  • Vasos convolutos em forma de espermatozóide
  • Áreas estruturais vermelho-alaranjadas
  • Glóbulos vermelhos e púrpura representando púrpura

Diagnóstico e Tratamento

O diagnóstico é frequentemente estabelecido por histopatologia, especialmente quando as características clínicas são inespecíficas 3. A histologia revela queratinócitos em forma de losango, siderófagos, hemorragias e infiltrado variável de plasmócitos na derme 1.

A circuncisão é o tratamento mais eficaz, com baixa taxa de recorrência, servindo tanto como tratamento definitivo quanto ferramenta diagnóstica 3. A resposta à terapia tópica isolada geralmente não é satisfatória 1.

Recomendação para Obtenção de Imagens

Para visualizar esta condição, recomendo:

  • Consultar atlas dermatológicos médicos
  • Bases de dados de imagens médicas (DermNet NZ, VisualDx)
  • Livros-texto de dermatologia ou urologia
  • Consulta com dermatologista ou urologista que possa mostrar casos clínicos

References

1
Research

Zoon's Balanitis - Update of Clinical Spectrum and Management.

Indian journal of dermatology, 2024

3
Research

Zoon's balanitis in the pediatric age: Lessons from an unexpected diagnosis.

Cirugia pediatrica : organo oficial de la Sociedad Espanola de Cirugia Pediatrica, 2026

5
Research

Dermoscopic Features of Non-Infectious Balanoposthitis.

Journal of clinical medicine, 2025

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