结论：部分鼻后孔息肉发源于中鼻甲，鼻内窥镜手术是治疗的较好方法。
Conclusion: Some choanal polyp derive from concha nasalis media, endoscopic sinus surgery is a good method for treatment.
结论：部分鼻后孔息肉发源于中鼻甲，鼻内窥镜手术是治疗的较好方法。
Conclusion: Some choanal polyp derive from concha nasalis media, endoscopic sinus surgery is a good method for treatment.
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