Uterus and ovary hernia of the canal of Nuck.

Hernia of the canal of Nuck is a rare condition occurring in female infants. The canal of Nuck is a portion of the processus vaginalis of the peritoneum within the inguinal canal. The processus vaginalis is an evagination of parietal peritoneum of the embryonic lower anterior abdominal wall that passes into the inguinal canal. Normally, it loses its connection with the peritoneal cavity, but when it fails to close a hydrocele or hernia may result. We present a 2-month-old girl with a palpable movable mass in the right inguinal region. Ultrasonography revealed a hernia containing uterus and ovary. Ultrasonography is the examination of choice in female infants with a pathological mass in the groin. Its availability and accuracy facilitate diagnosis and proper surgical treatment.