Problems in the radiological interpretation of the X-ray appearance of the bladder wall and bladder neck obtained on micturating cysto-urethrography in patients with neurogenic bladders [proceedings].

The technique in performing micturating cysto-urethrography is described. Technical difficulties in obtaining micturating films and positioning of paraplegic patients are discussed. A previous author has stated that radiological assessment of the bladder neck is of no value. Analysis of intravenous pyelograms (IVP) and micturating cysto-urethrogram (MCUG) on 71 paraplegic patients confirms that there is no correlation between the diameter of the bladder neck and the presence of pathological renal changes or vesico-ureteric reflux. Difficulties in the radiological assessment of bladder capacity and contour due to marked differences in appearance on MCUG and IVP are discussed.