- Somechoanalpolypderivefromconchanasalismedia,endoscopicsinussurgeryisagoodmethodfortreatment.Conclusion:thechoanalpolypmayoriginateinthemaxillarysinus,sphenoidalsinus,middlenasalconcha,nasalseptumandotherparts,FESSisthefirstchoiceintreatingit....
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