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Objective: Transurethral enucleation with bipolar (TUEB) is an established procedure for treating patients with benign prostatic hyperplasia (BPH). In this study, the usefulness of TUEB was evaluated by comparing the preoperative and postoperative results., Materials and Methods: A total of 45 patients with symptomatic BPH underwent TUEB at our hospital between February 2008 and August 2009. All the patients were assessed using the International prostate symptom score (IPSS), quality of life (QOL) index, overactive bladder symptom score (OABSS), maximum urinary flow rate (Qmax), post void urine residue (PVR), serum prostate specific antigen (PSA) measurement, and estimated prostate weight. Total operative time, enucleation time, enucleated tissue weight, changes in levels of hemoglobin, hematocrit and serum sodium, duration of urethral catheterization, and complications were also investigated. IPSS, QOL index, Qmax, and PVR were reassessed 1, 3, 6 and 12 months after surgery. PSA reduction rate was also assessed 3 months after surgery., Results: The average age was 71.6 years (60-84 years), estimated prostate weight 53.2 g (11.8-105.6 g), total operative time 125.5 minutes (76-212 min.), enucleation time 96.1 min (56-169 min), enucleated tissue weight 32.3 g (6-82 g), and duration of urethral catheterization 2.5 days (2-7 days). Blood transfusion was not required and hyponatremia was not observed in any patients. IPSS, QOL index, OABSS, PVR, and Qmax were significantly improved 1 month after surgery. As complications, re-catheterisation was reported in 2 patients (4.4%), bladder tanponade in 1 (2.2%), and urinary incontinence requiring at least 1 pad 6 months after surgery in 1 (5.9%). Postoperative PSA declined by 89.8% 3 months after surgery., Conclusions: TUEB was a safe and effective treatment procedure for patients with BPH.