A male child 15 year-old with dysuria and had been failed in treatment for urinary infections many times.
Ultrasound detected a 4x5 cm solid mass at right anterior face of urinary bladder with a calcified spot.
MSCT noted an urachal remnant adhesive to bladder or bladder tumor.
Bladder endoscopy removed the tumor, and microscopic result is glandular cystitis.