Conclusion The severity of BPH assessed by TZV and TZI is superior to that of TPV, the volume parameters is of important value to the diagnosis and treatment of BPH in the clinical research.

• 结论TZV和TZI评估BPH轻重程度优于TPV，体积参数对临床研究BPH的诊断和治疗有重要价值。