Anecdotally, it has been estimated that between 10% and 15% of men and adolescent boys in the general population have varicocele. In the US, the overall incidence of adolescent varicocele is 15%, which is similar to that of the adult population. Globally, incidences may vary; a slightly lower incidence was reported in a prospective study from Bulgaria. However, the true incidence of adolescent varicoceles may be under-reported, as most teens are not routinely examined in the upright position.
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