Small prostate, concomitant prostatitis and awkward operating technique are the main causes of BNC, and accordingly, stringent indication, well-trained operating technique and prophylactic bladder neck incision might be effective for prevention.

• 小前列腺、合并有前列腺炎及操作不熟练是BNC的可能原因,可采取严格手术适应证、提高操作技能、膀胱颈预切开等方法加以预防。