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Riscos de lesões pré-cancerosas

O diagnóstico de patologias vulvares é importante porque algumas são pré-cancerosas. Enquanto o câncer vulvar representa apenas 5% dos cânceres genitais para uma idade média de 65 anos, a incidência de neoplasia intraepitelial vulvar (NIV) aumentou acentuadamente nos últimos dez anos. As mulheres afetadas são cada vez mais jovens.

Esse achado, portanto, torna necessário o diagnóstico precoce dessas pré-cancros, a fim de oferecer o tratamento menos invasivo possível. Para melhor esclarecer essas patologias, foi estabelecida uma classificação de neoplasia intraepitelial vulvar.  

Como as lesões de VIN 1 são essencialmente induzidas por uma infecção por HPV de baixo risco, responsável por patologias benignas, passam a ser classificadas sob o termo condiloma plano.

 

OS VINHOS 2  e 3, em que se identifica o HPV de alto risco, constituem um grupo de risco de desenvolver câncer denominado VIN comum.  

Existe um grupo de lesões vulvares não relacionadas à infecção pelo HPV, mas ocorrendo essencialmente no contexto do líquen escleroso e apresentando certo potencial para evoluir para câncer em pacientes mais velhas, são as VIN 3 diferenciadas.

Tabela 1:  

Classificação ISSVD (International Society for the Study of Vulvovaginal Disease) da neoplasia intraepitelial vulvar (VIN).

Ancienne terminologie ISSVD
ISSVD 2015
En relation avec
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
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Sat., June 28
Cheers, Santa Cruz
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Wed., July 6
The Roxy, San Francisco
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VIN 1
Lésion squameuse intra-épithéliale BG
HPV bas risque
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
Book It
Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
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VIN 1
Condylome plan
HPV bas risque
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
Book It
Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
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VIN 1
aspect HPV
HPV bas risque
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
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Sat., June 28
Cheers, Santa Cruz
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Wed., July 6
The Roxy, San Francisco
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VIN 2/3 classique
Lésion squameuse intra-épithéliale HG
HPV haut risque
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
Book It
Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
Book It
VIN 2/3 classique
aspect classique
HPV haut risque
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
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Sat., June 28
Cheers, Santa Cruz
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Wed., July 6
The Roxy, San Francisco
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VIN 3 différenciée
néoplasie vulvaire intra-épithéliale
Lichen scléreux
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
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Sat., June 28
Cheers, Santa Cruz
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Wed., July 6
The Roxy, San Francisco
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1- HPV: vírus do papiloma humano

2- BG/HG: grau baixo/alto grau

Tabela 2: Perfil das pacientes com lesão vulvar em risco de desenvolver câncer

VIN communs
VIN différenciés
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
Book It
Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
Book It
Base
HPV induit
Lichen scléreux
Fri., June 20
The Academy, L.A
Book It
Thu., June 19
Bamboo, Santa Barbara
Book It
Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
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Origine des cancers
30%
Lichen scléreux
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
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Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
Book It
Age
Jeune
Avancé
Fri., June 20
The Academy, L.A
Book It
Thu., June 19
Bamboo, Santa Barbara
Book It
Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
Book It
Site
Uni, multifocal
Avancé
Fri., June 20
The Academy, L.A
Book It
Thu., June 19
Bamboo, Santa Barbara
Book It
Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
Book It
Aspect
Varié
Avancé
Fri., June 20
The Academy, L.A
Book It
Thu., June 19
Bamboo, Santa Barbara
Book It
Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
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Plaintes
Multiples
Récurrentes
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
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Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
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Plainte 1
prurit 30%
prurit 50%
Fri., June 20
The Academy, L.A
Book It
Thu., June 19
Bamboo, Santa Barbara
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Sat., June 28
Cheers, Santa Cruz
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Wed., July 6
The Roxy, San Francisco
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Plainte 2
douleurs 25%
saignement 20%
Fri., June 20
The Academy, L.A
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Thu., June 19
Bamboo, Santa Barbara
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Sat., June 28
Cheers, Santa Cruz
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Wed., July 6
The Roxy, San Francisco
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Plaintes 3
gêne 80%
brûlures 80%
Fri., June 20
The Academy, L.A
Book It
Thu., June 19
Bamboo, Santa Barbara
Book It
Sat., June 28
Cheers, Santa Cruz
Book It
Wed., July 6
The Roxy, San Francisco
Book It
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