Female preschooler with a urinary tract infection Pediatric Imaging Genitourinary November 12, 2025September 18, 2025 AP image from a voiding cystourethrogram exam shows a non-obstructive ellipsoid-shaped dilation of the posterior urethra just distal to internal urethral sphincter. The diagnosis was spinning top urethra. Related Published November 12, 2025September 18, 2025