Fig. 1

Imaging results. (A) Ultrasound of the urinary system: A bladder stone is visible (black arrow); (B) Cystoscopy: Stone are stable on bladder flushing; (C) Multislice CT scan of the pelvis: Stone and tubular structure in the coronal position (black arrow); (D) Multislice CT scan of the pelvis: Stone and tubular structure in cross section (black arrow), this tubular structure suggests scar formation between the bladders of the uterus