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鼻咽部活检是耳鼻喉科医生必须熟练掌握的一项操作技术。在基层门诊中经常遇到必须作鼻咽部活检以确诊的病人。当病变范围局限、且位于鼻咽顶壁或深藏于咽隐窝内时,用直钳经鼻腔取材盲目性较大,不易钳准,需用翘头钳经口腔钳取。经口腔操作时,需在鼻咽镜明视下咬取方能准确。通常是一手持镜、一手握钳进行。但间接鼻咽镜镜柄幼细,往往不足以压住舌背,故舌背常向镜柄两侧翘起遮住视线;软腭
Nasopharyngeal biopsy is an operational technique that otolaryngologists must master. In the primary clinic often encountered must be made for nasopharyngeal biopsy to confirm the patient. When the scope of the disease is limited, and located in the nasopharyngeal wall or deep hidden in the pharyngeal recess, with straight forceps through the nasal cavity material blindness, difficult to clamp accurate, need to clamp head forceps via oral forceps. The oral operation, the need to take the nasopharyngeal mirror under the eye can be accurate. Usually a hand-held mirror, a hand gripper. However, indirect nasopharyngeal mirror handle fine, often not enough to suppress the tongue back, so the tongue back to the handle on both sides of the tilt tilted cover line of sight; soft palate