 The Wolffian ducts differentiate into epididymides, vasa deferentia and seminal vesicles under the influence of testosterone, produced by the fetal Leydig cells.The main form of treatment is laparotomy, a modern and minimally invasive type of surgery.Laparotomy properly positions the testes within the scrotum (orchidopexy) and remove Mullerian structures being the uterus and fallopian tubes.