Purulent Abdominal Abscess Presented by Hydrometrocolpos in a Newborn

In this study, a 3-day-old newborn with ambiguous genitalia and abdominal mass - the cause of which was not determined in multiple ultrasounds- is introduced. the ultrasound indicated severe bilateral hydronephrosis in the newborn, and based on the results of the tests, the catheterization and vcug was performed using cystoscopy. according to the results of ultrasound, hydrometrocolpos was suspected for the newborn and surgical procedure was performed. it turned out that the mass was an abdominal abscess filled with pus, and due to its pressure on the urethra, we had to perform nephrostomy on the patient.