结果ECD在低分化组中表达明显低于高分化组，在淋巴结转移癌中同样与分化相关，但原发癌ecd的表达与淋巴结转移的发生无关。
Results expression of ECD was always lower in poor differentiation group than that in well differentiation group, but there was no significant correlation between ECD expression and metastasis.
鼻咽癌的病理类型中低分化鳞癌最多见，占鼻咽癌的80% - 85%；高分化鳞癌约占10%。
Low differentiated squamous cell carcinoma is about 80-85% of NPC pathological types and well differentiated squamous cell carcinoma is 10%.
对高分化小细胞性腺癌中粘液性印戒细胞癌应与间皮细胞增生时印戒样变鉴别诊断；
The mucinous signet-ring cancer cells in high differentiation small cell adenocarcinoma should be differential diagnosis from mesothelium signet-ringoid change.
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