Urethritis resulted in urethra narrowness with irragular thick and thin or coarse margin. The urethra irritating syndrome,tuberculosis or dirty sex was its clinical characteristics.

• 尿道炎性病变主要引起尿道粗细不均 ,边缘毛糙的狭窄 ,临床有尿路刺激症状及结核史、不洁性行为史等 ;