Methods: To analyse 56 cases of endoscopic sinus surgery followed up by our hospital from March to December of 1999,29 cases of typeⅠ (51. 7％ )， 22 cases of typeⅡ (39.3％ ),and 5 cases of typeⅢ (9％ ) are founded.
[Results] Complications appeared in 60 of 1 167 cases(5.1%) undergone the endoscopic sinus surgery. In which orbital hemtoma in 1case(0.09%), adhesion of nasal cavity in 42(3.6%),nasal septal perforation in 2 cases(0.17%), dacryoduct damage in 1case(1.6%), orbital paperacea damage in 14 cases(1.2%).
Metastatic carcinomas of the sinonasal tract have a high risk of heavy hemorrhage during endoscopic sinus surgery.
She underwent endoscopic sinus surgery immediately and an easily bleeding tumor was found in the paranasal sinus.
A novel therapeutic approach that combines endoscopic sinus surgery and Gamma Knife radiosurgery is presented here.
Images of 52 patients who underwent CT examination prior to endoscopic sinus surgery and who had normally aerated posterior ethmoidal cells and an unobscured nasal cavity were retrospectively evaluated.
We have now adapted CAS for endoscopic sinus surgery, which meant that a variety of visualization methods were tested.