当怀疑有尿道损伤，在行导尿术之前，应先行逆行尿道造影。

When a urethral injury is suspected, a retrograde urethrogram should be completed before catheterization is performed.

youdao

当怀疑有尿道损伤，在行导尿术之前，应先行逆行尿道造影。

When a urethral injury is suspected, a retrograde urethrogram should be completed before catheterization is performed.

youdao