评价CT引导下经下颌切迹鼻咽部穿刺活检术的临床应用价值。
To evaluate the value of clinical application of CT-guided nasopharyngeal needle biopsy through mandibular notch.
结论：在鼻内窥镜下实施鼻咽部活检术能检查鼻咽部各个部位，可在一处反复活检取得深层组织且能控制标本的大小，用此法可以确认鼻咽癌。
Conclusion: Using nasal endoscope in biopsy, the authors can examine repeatedly every point of nasopharynx to get deep tissue and the size of specimen, so that to diagnose nasopharyngeal carcinoma.
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