[An evaluation of the diagnostic efficacy of video cystourethrosonography].

Evaluation of the diagnostic capacity of lineal ultrasound examination of a male's vesical neck and urethra, known as video cysto-urethro-sonography. The tests has been shown to have high diagnostic accuracy (93.6%), with 93.4% overall sensitivity and 94.4% specificity, in a selected group of men with suspicion disease in the cervico-prostate-urethral area (prevalence, 80.9%). The technique, nevertheless, is not exempt from limitations, including anal or ureteral meatus stenosis, as well as highly obstructive prostate adenoma (where maximal vesical repletion necessary to carry out the examination may decompensate the picture, and lead to retention), or the inhibition of the voiding urge referred by certain individuals when they have to urinate in uncomfortable circumstances.