MRI of the nasopharynx

MRI examination of the nasopharynx refers to the examination of nasopharyngeal tumors. This method is clearer than CT for the normal anatomy and pathological anatomy of the nasopharynx. Basic Information Specialist Category: Otolaryngology Examination Category: Nuclear Magnetic Resonance Applicable gender: whether men and women apply fasting: not fasting Tips: The unsuitable crowd is a patient with a cardiac pacemaker, metal foreign bodies in the eyeball, metal stents, metal clips, occlusion devices, etc. after the heart and blood vessels. Normal value Survivin expression intensity of nasopharynx mucosa in normal subjects (0.10±0.13, P<0.001). Clinical significance Abnormal result 1. MRI has higher soft tissue resolution and multi-directional slice advantages than CT. The normal anatomy and pathological anatomy of the nasopharynx is clearer and more comprehensive than CT. 2, can show nasopharyngeal cancer earlier. 3, can fully display the extent, size and depth of invasion of advanced nasopharyngeal carcinoma, and it is also easier to show the source of lymphatic metastasis. 4, can better evaluate the effect of radiotherapy for nasopharyngeal carcinoma. 5. Less false positives. The people who need to be examined: malignant lesions of the nasopharynx, benign lesions of the nasopharynx, lesions that invade the mucosal space of the nasopharynx from other sites, and patients with benign and malignant tumors of the larynx. High results may be diseases: throat amyloidosis considerations Pre-inspection requirements: 1. Early pregnancy must be stated in advance at the time of registration to prevent accidents. 2, cotton balls, shoe covers are collected in the registration room, put on the shoe cover into the inspection area, please use the cotton ball to plug the ears before inspection. Requirements for inspection: 1. It is strictly forbidden to carry metal objects (including keys, lighters, belts, watches, coins, knives, earrings, necklaces, glasses, dentures, mobile phones, magnetic cards, bras, pins, hairpins, hearing aids, movable dentures, metal buttons, etc.) Metal zippers, pens, etc.) are brought into the examination room to avoid personal injury and machine damage. 2, magnetic resonance examination time is long, the patient needs patient coordination during the examination, keep lying, do not move, do not be afraid, if the cooperation is not good, it will affect the image quality and diagnosis. Inspection process 1. Read the MR check instructions carefully before checking. 2. Please submit the MR inspection application form to the registration room for appointment, price, clinic or radiology hall (no registration required). 3. Pay the bill to the registration room and wait for the case (in the MR hall or back to the ward according to the situation). 4. After receiving the notice from the registration office, collect and put on the shoe cover, go to the designated inspection room to wait in line, and prepare for the inspection. 5. Plug the ear with a cotton ball before entering the examination room to avoid noise interference. 6. To perform an enhanced scan check, a family member must be accompanied and signed by the accompanying person on the “Enhanced Scanning Check Consent” before the test. 7. After the examination is completed, leave with the doctor's consent. 8. Check the results from the registration room at 3:30 pm to 5:30 pm on the second day. Not suitable for the crowd 1. Those who have an electrocardiograph. 2. Use various rescue tools with metal and cannot remove them. 3. Those who have metal clips in the body after surgery. There is a metal implant that cannot be removed adjacent to the body at the examination site. 4. Women with early pregnancy (within 3 months) should avoid MRI scans. Adverse reactions and risks May cause nasal pain.

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