Palpable inguinal mass in a girl after omphalocele repair: US findings.

Hydrocele of the canal of Nuck is a rare cause of inguinal swelling in females. We present the case of a 9-year-old girl, who underwent omphalocele repair shortly after birth. She presented with a painless swelling in the right inguinal region; it was of a hard elastic consistency and ultrasound image showed an oval lesion containing fluid, located in the subcutaneous soft tissue. Removal of the lesion and histological examination of the surgical specimen confirmed cyst of the canal of Nuck.