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应用内窥镜作鼻咽部检查是早期诊断鼻咽癌的一种重要方法。笔者试用一种接触式变焦显微内窥镜配以高清晰电视摄像系统，观察经作活体特殊染色的受检者鼻咽粘膜，可获得放大100至400信比较清晰的活体粘膜上皮细胞图象。1材料与方法检查对象为本院门诊及住院病人，共22O例。其中
Endoscopic nasopharyngeal examination is an important method of early diagnosis of nasopharyngeal carcinoma. I try a contact-type zoom microscope endoscope with high-definition television camera system to observe the living through the special staining of the nasopharyngeal mucosa of patients can be obtained amplified 100 to 400 letters clear live mucosal epithelial cell images . 1 Materials and Methods The object of examination for hospital outpatient and inpatient, a total of 22O cases. among them