The mophological studies suggested that cryosurgery can reliee the pathological changes,increase the local immunity ability and improve the rhinal mucose physiological function.

• 形态学研究显示:治疗有效者鼻粘膜上皮变薄,细胞层次减少,固有层浆细胞、淋巴细胞增多,而且较为活跃,提示冷冻治疗后机体免疫能力增强,改善了鼻粘膜生理功能。