When the venous ulcer is treated, the insufficiency of every venous system must be corrected at the same time, especially in the insufficiency of perforating venous system.
在治疗下肢静脉性溃疡时，应同时纠正每个静脉系统的功能不全，尤其是交通静脉功能不全。
2
Conclusion venous ulcer of lower limbs results from insufficiency of deep, superficial and perforating venous systems.
结论下肢静脉性溃疡是深、浅静脉和交通静脉功能不全共同作用的结果。
3
Three cases of sympathetic ophthalmia following perforating corneal ulcer were reported.