How to take a lateral view X-ray of the nasopharynx

Generally, lateral nasopharyngeal radiography is a routine imaging method used for nasopharyngeal examination, primarily to diagnose adenoid hypertrophy in children and to evaluate whether the airway is compressed or narrowed. The specific procedure is as follows:

1. The patient stands on their right side, tilting the head backward so that the tip of the nose and the forehead are aligned on the same horizontal plane.

2. The operator directs the central X-ray beam to pass through a point 2 cm anterior and inferior to the external auditory meatus.

3. Set the film distance and instruct the patient to take a deep breath.

4. The operator closes the door of the radiographic room and performs the exposure, which lasts for 5–10 seconds.

Lateral nasopharyngeal radiography is a simple, non-invasive diagnostic method. If this examination is needed, it is recommended to visit a正规 hospital and undergo the procedure under the guidance of a qualified physician to ensure accurate results. If abnormal findings are detected, prompt medical consultation is advised for appropriate diagnosis and treatment under a doctor's supervision.