Objective:To investigate the relationship between intravesical prostatic protrusion(IPP) degree and the outcome of voiding trial following acute urine retention(ARU).

• 目的:探讨膀胱内前列腺突入程度(IPP)与良性前列腺增生(BPH)患者首次发生急性尿潴留后排尿试验成败的关系。