O que é Varicocele ?
Autor: Antonio | Publicado: 2013-02-12T09:33:00-03:00

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Varicocele é&nbsp;quando as veias que
percorrem o cordão espermático (estrutura responsável por suspender os
testículos) encontram-se dilatadas. Também&nbsp; é&nbsp;definida como a
formação de varizes nas veias da região escrotal. Há&nbsp;prejuízo do fluxo
sanguíneo local, consequentemente, da troca de nutrientes, resultando no
acúmulo de substâncias tóxicas e aumento de temperatura local. Esses fatores
podem provocar alterações na quantidade do sêmen e na qualidade dos espermatozóides.






O termo varicocele refere-se,
especificamente, à dilatação e tortuosidade do plexo pampiriforme (rede de
veias que drena o testículo). Esse plexo percorre a porção posterior do
testículo, juntamente com o epidídimo e o ducto deferente. O diâmetro normal
das veias desse plexo encontra-se entre 0,5-1,5 mm, mas na varicocele a
dilatação desses vasos faz com que atinjam mais de 2 mm.
As principais causas são: anatômicas (veia espermática desembocando na veia
renal esquerda) e incompetência de válvulas venosas. Essa afecção
está&nbsp;presente em aproximadamente 15% da população geral (adultos e
adolescentes) e em 35% dos homens inférteis.
Os indivíduos com varicocele apresentam veias dilatadas (varizes na região
escrotal ou até&nbsp;mesmo desconforto ou dor na região afetada. Durante
esforço físico, os vasos aumentam de calibre. Por uma razão anatômica, o lado
comumente atingido é o esquerdo. Quando ocorre o aparecimento repentino de
varicocele, especialmente em idosos, a etiologia pode ser um tumor renal que
causa a compressão da veia renal.
O diagnóstico é feito durante o exame clínico do paciente, quando são
observadas veias calibrosas, que geralmente não são dolorosas e que aumentam de
diâmetro quando o paciente é submetido a alguma manobra de esforço. Quando há
dúvidas, podem ser feitos exames como ecografia testicular, cintilografia dos
testículos e termografia.
O tratamento da varicocele é&nbsp;cirúrgico, por meio de uma ligadura da
veia espermática. Em pacientes inférteis, caso a varicocele seja a única causa
da infertilidade, o quadro é&nbsp;revertido. Em alguns casos assintomáticos,
pode ser feito um tratamento conservador com o uso de um suspensório escrotal
durante a prática de exercícios.
Fontes:
http://www.abcdasaude.com.br/artigo.php?447
http://pt.wikipedia.org/wiki/Varicocele
http://www.drauziovarella.com.br/Sintomas/330/varicocele
http://www.riversideonline.com/health_reference/Mens-Health/DS00618.cfm