Congenital Spigelian hernia associated with undescended testis.

Background: A Spigelian hernia (SH) is a ventral interstitial hernia through a defect in the Spigelian fascia; an undescended testis is sometimes associated with this clinical entity in male newborns. The etiopathogenesis, surgical anatomy, diagnostic methods, and treatment for this rare condition are discussed with a review of the literature.

Methods: A 20-day-old newborn was admitted to our hospital for a swelling in the right lower abdomen and undescended testis.