对于以鼻咽癌（ＮＰＣ）组织病理类型作为预后指征认识不一，但多认为按ＷＨＯ分类标准，Ⅱ、Ⅲ型ＮＰＣ对放疗敏感预后较好。相对于鼻咽部表面区域，ＮＰＣ活检标本极为微小，可能不确切的体现ＮＰＣ组织病理特征。同时ＮＰＣ细胞的异质性也可导致病理分类错误。该文对复发Ｎ There are different understandings on NPC histopathological types as indications of prognosis, but many believe that type Ⅱ and Ⅲ NPCs are more sensitive to radiotherapy in accordance with the WHO classification criteria. Relative to the nasopharyngeal surface area, NPC biopsy specimens are extremely small, may not accurately reflect the histopathological features of NPC. At the same time NPC cell heterogeneity can also lead to pathological classification error. The article on the recurrence of N