1, The choanal polyp may originate in the maxillary sinus, sphenoidal sinus, middle nasal concha, nasal septum and other parts, FESS is the first choice in treating it.

2, Objective To investigate significance and efficacy of microwave thermocoagulation plus outfolding of middle nasal concha for treatment of nasociliary neuralgia.

3, Conclusion: The choanal polyp may originate in the maxillary sinus, sphenoidal sinus, middle nasal concha, nasal septum and other parts, FESS is the first choice in treating it.

4, All the bones of facial cranium developed Intramembranously except that the hyoid bone, inferior nasal concha, processus pyramidalis and mandibular neck developed endochondrally.

5, Relative intensity on early phase of DCE MRI and relative intensity-time curves of clivus, original nasopharyngeal tumor, condylar process, and nasal concha were measured.

6, To explore the efficacy of microwave coagulating the vidian nerve, the anterior ethmoidal nerve and inferior nasal concha for allergic rhinitis under nasal endoscope.

7, Light and limited destruction of bone were found in middle inferior parts of nasal septum, inner wall of superior portion of maxillary sinus and middle inferior nasal concha .