Infant with a mass protruding from the vagina

Clinical image of prolapsed ectopic ureterocele
Clinical image shows a purple mass protruding from the vagina. Ultrasound of the mass showed it to be cystic. Renal ultrasound showed the left kidney to be duplicated with hydronephrosis of the upper pole.

The diagnosis was a prolapsed ectopic ureterocele in a patient with a duplicated kidney.