thus , in the urethrocystogram obtained by this method , the bladder neck and the prostatic urethra immediately adjacent to it are always clearly visualized unlike that obtained by conventional retrograde urethrography , evacuation cystourethrography and sometimes even the method of flocks , in which these regions are prone to be covered and masked by the contrast medium injected and accumulated in the bladder .
C0227716
bladder neck
C0005682
bladder