1. Which hospital becomes polypous operation well?

2. Does gallbladder need carry momentum after polypous art?

3. Mucous membrane shows polypous state upheaval, the surface is uneven, color red or have erosion, with all round normal mucous membrane does not have clear dividing line.

4. Cut polypous second half month, see there is a thing inside nasal cavity, can you be polypous recrudesce?

5. Terminal can appear the complication such as atrophic sex rhinitis, polypous, nose Dou Yan and tympanitis.

6. MAIN OUTCOME MEASURES:The expression of VEGF and its receptors in polypous tissue and in normal nasal mucosa tissues.

7. The reconstruction of low dose MSCT could offer sufficient information for diagnosis and satisfy the diagnose requirement of colon polypous.