pubmed-article:8942571 | pubmed:abstractText | Routine contralateral inguinal exploration following unilateral herniorrhaphy in children remains controversial. Contralateral patent processus vaginalis (PPV) incidence decreases from 80% in young infants to about 20% to 30% in the adult population. However, the incidence of a clinical hernia appearing subsequently following unilateral herniorrhaphy is 6% to 10%. | lld:pubmed |