Application of High-frequency Electrosurgical Scalpel and M ethylene Blue Staining in EndonasalDacryocystorhinostom y

Zhongling Luo， Lixin Zhang， Yueguang Qiu， Xiaofang Luo

Department of Ophthalmology， Dongguan Hengli People Hospital， Dongguan 523460， China

M aterials and methods

General information

Equipments and materials

Preoperative preparation

Surgical procedures

Postoperative treatment and follow up

Evaluation criteria of clinical efficacy

Results

Discussion