[Several difficult diagnoses of dysuria in patients with prostatic adenoma: value of urodynamic studies]

The objective of these clinical case reports is to illustrate the value of urodynamic studies in the therapeutic decision for patients with benign prostatic hyperplasia, but whose vesico-sphincteric equilibrium may also be modified by other concomitant diseases. Three cases illustrate comparable clinical situations, but with very different vesico-sphincteric behaviour. Urodynamic studies are able to globally characterize the patient's vesico-sphincteric behaviour. Unlike clinical assessment alone, the results of urodynamic studies guide the choice of treatment, designed to modify this equilibrium in the desired direction.

Before proposing desobstruction surgery in dysuric patients with benign prostatic hyperplasia, as well as concomitant disease likely to modify his vesico-sphincteric behaviour, urodynamic studies are very useful, as they can modify the therapeutic decision.