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[Maxillary sinus polyp and cyst excised by endoscopes surgery in chronic sinusitis and significance].

OBJECTIVE
To look for a simple and convenient surgical method to treat the maxillary sinus polyp and cyst.


METHOD
By means of Rudolf 4.5 mm cannula paracentetic needle trough inferior nasal meatus the polyp and cyst were be cut by cutter.


RESULT
For half a year, 50 cases were followed and no relapse was found by X-ray or CT.


CONCLUSION
Maxillary sinus polyp and cyst can be excised by endoscope surgery through inferior canal, and it is a minimally invasive operation. The effective is positive.