Background/purpose: Previous findings have suggested that the development of adult inguinal hernias could be related to alterations in fibrillar collagen synthesis in the hernial sac as a decrease in the ratio of the relative amounts of type I/III collagen. The aim of this study was to investigate whether an alteration in type I and type III collagen synthesis was associated with the development of childhood inguinoscrotal pathologies.
Methods: The authors analyzed sacs from patients with inguinal hernia (n = 20), hydrocele (n = 10) and undescended testis (n = 10) immunohistochemically using monoclonal antibodies against alpha-smooth muscle actin, collagen type I and III.