Internal Auditorium

The internal auditory film is a film examination of the internal auditory canal to observe the condition of the posterior fossa. For the same patient, the patient must be bilaterally contrasted. The patient is supine, the sagittal plane of the skull is perpendicular to the table, and the hearing line is perpendicular to the table to face the ear for partial filming. Basic Information Specialist Category: Otolaryngology Examination Category: X-ray Applicable gender: whether men and women apply fasting: not fasting Tips: Pregnant women. People with traumatic infections in the ear are not suitable for this test. Normal value In normal people, the diameter of the auditory canal is 4 to 7 mm, and the sides are often not completely equal, but the difference should not exceed 2 mm. Clinical significance Abnormal results: In normal people, the diameter of the auditory canal is 4 to 7 mm, and the sides are often not completely equal, but the difference should not exceed 2 mm. If the limit is exceeded, the lesion should be present. The acoustic neurofibroma can cause the enlarged auditory canal in the lesion side. People who need to be examined: people with hearing loss and abnormal pain in their ears. Precautions Taboo before inspection: X-rays have certain radiation and need to be mentally prepared. Requirements for inspection: Obey the doctor's instructions to check. Partially film the ear. Don't have to panic on the X line. Inspection process For the same patient, the patient must be bilaterally contrasted. The patient is supine, the sagittal plane of the skull is perpendicular to the table, and the hearing line is perpendicular to the table to face the ear for partial filming. Not suitable for the crowd Taboo people: pregnant women. A person with a traumatic infection in the ear. Adverse reactions and risks Nothing.