Conclusion:The nasal mucosa injury, the squamous metaplasia and the microvascular networks broke off can form a pathological basis of dysfunction after irradiation.

• 结论:鼻黏膜的损伤、晚期的鳞状上皮组织转化以及鼻黏膜微循环的破坏是放疗后鼻腔功能障碍的病理学基础。