Male preschooler with a urinary tract infection Pediatric Imaging Genitourinary June 25, 2024May 22, 2024 Lateral image of the urethra from the voiding phase of a VCUG exam shows a filling defect (arrow) in the posterior urethra. The diagnosis was a Cowper duct imperforate syringocele. Related Published June 25, 2024May 22, 2024