Glenn M. Preminger, MD

The tubeless PNL approach provided the greatest comfort for the patient.

Up to 5% of Americans will be affected by stone disease over the courseof their lifetime. Despite major advances in shockwave lithotripsy and endoscopictechnologies, we must not underestimate the role of medical therapy in preventingstone recurrence. Two studies presented at the recent AUA annual meetingand reported in this issue of Urology Times (see page 10) offer valuablelessons on this aspect of stone management.