A congenital malformation of the processus vaginalis known as the " bell-clapper deformity " accounts for 90 % of all cases.
2.
In the male fetus, the peritoneum gives a coat to the testicle as it passes through this ring, forming a temporary connection called the processus vaginalis.
3.
The protrusion of peritoneum is not called " processus vaginalis " in women, as this structure is related to the migration of the testicle to the scrotum.