Serum level of squamous cell carcinoma antigen( SCC- Ag ) in 36 patients with oral squamous cell carcinoma( OSCC ), 11 with other oral and maxillofacial malignant tumor,45 with oral and maxillofacial benign tumor and 70 healthy people was measured by chemolumi-nescence method. Serum level of the SCC-Ag in patients with OSCC was significantly higher than that in those with other malignant tumors( P <0.05 ) or with benign tumors( P < 0. 01 ) or in healthy people( P < 0.01 ). Serum SCC3-Ag level may be an indicator in diagnosis of oral squamous cell carcinoma.%用化学发光法检测36 例口腔鳞癌、11 例口腔颌面部其他恶性肿瘤、45 例口腔颌面部良性肿瘤患者以及70 例正常人血清中SCC- Ag水平.鳞癌组SCC- Ag水平明显高于良性肿瘤组(P<0.01)、正常组(P<0.01)以及其他恶性肿瘤组(P<0.05).SCC- Ag可作为口腔鳞癌患者辅助诊断指标.
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