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聚合酶链反应（PCR）是一种选择性体外扩增DNA片段的方法。笔者总结找院1995年3月～1996年3月应用PCR技术捡测50例鼻咽癌，探讨其在鼻咽癌诊断中的应用价值。材料与方法1．材料来源1995年3月～1996年3月住院或门诊经病理确诊的鼻咽癌50例，其中鳞癌49例，未分化癌三例；首次放
Polymerase chain reaction (PCR) is a method of selective amplification of DNA fragments in vitro. The author concluded to find a hospital from March 1995 to March 1996 application of PCR detection of 50 cases of nasopharyngeal carcinoma to explore its value in the diagnosis of nasopharyngeal carcinoma. Materials and methods 1. MATERIALS From March 1995 to March 1996, 50 patients with pathologically diagnosed nasopharyngeal carcinoma were hospitalized or outpatient, of which 49 were squamous cell carcinoma and 3 were undifferentiated carcinoma.