Abstract
Transurethral needle ablation (TUNA) was performed on seven patients with chronic nonbacterial prostatitis who failed to respond to conventional treatments administered for more than half a year. The TUNA procedure heated the prostate to a temperature ranging from 90° to 100°C while the urethral temperature was maintained below 43°C by a protective sheath and irrigation. After treatment, four patients showed complete resolution of symptoms and three a partial improvement. All patients had a decrease in the leukocyte count in expressed prostatic secretions (EPS) 1 month after treatment. Recurrence of abnormal inflammatory cells in the EPS was noted in two patients at 3 months after treatment. The subjective improvement has been maintained during the subsequent follow-up. From these results, TUNA is considered to be an effective, safe, and easy treatment for most patients with nonbacterial prostatitis.
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