Persistent müllerian duct syndrome.

Persistent Müllerian duct syndrome (PMDS) is a rare form of male pseudohermaphroditism characterized by the presence of the Mόllerian duct structures in an otherwise phenotypically as well as genotypically normal male. We report a case of 40-year-old cryptorchid male who was clinically diagnosed as seminoma in the undescended abdominal testis. A diagnosis of PMDS was made on histological evaluation subsequent to abdominal orchidectomy.