MR of the neck
Magnetic resonance imaging of the neck complements ENT diagnosis. This examination can visualize both vascular structures and soft tissues.
This test is performed as an adjunct to diagnostic ultrasound and CT scans, or as a complement to both.
Based on the MR examination, the surgical procedure and extent of resection can be planned with a high degree of accuracy. This examination is also performed in postoperative evaluation – looking for local recurrence and metastases.
Magnetic resonance imaging of the neck visualizes all anatomical structures located between the top of the lungs and the base of the skull, but is particularly good at evaluating:
- salivary glands
- thyroid
- larynx
- lower throat and parapharyngeal space
- upper esophagus
In addition, an angiographic sequence is possible with MRI of the neck, which is used to image the carotid arteries.
Neck MR indications.
The test is used in the context of conditions such as:
- autoimmune diseases – such as Sjögren’s syndrome, in which the salivary glands do not function properly;
- herniated intervertebral discs – with an MRI of the cervical spine, more focused on this area, also performed if there is a strong suspicion of this particular problem;
- Aneurysms and atherosclerotic lesions – here, in turn, the dedicated test is resonance angiography of the carotid arteries;
- thyroid disease;
- Tumors – benign and malignant; primary foci, recurrence and metastasis, as well as infiltration of adjacent structures.
When pathological changes are suspected, it is sometimes required to administer so-called contrast, a special substance that further improves the visibility of the elements imaged during MRI.
What are the contraindications to MR of the neck?
Neck MRI cannot be performed on patients with permanently placed objects in the body such as:
- neurostimulator,
- pacemaker,
- insulin pump,
- cochlear implant,
- OLD TYPE implants, endoprostheses, stabilizers, plates and orthopedic screws, which are made of ferromagnetic materials. Current implants are used that can be in the strong electromagnetic field found in MR,
- Shotgun shells, bullet fragments, metal filings in the eye,
- Other relative contraindications to MRI are: first trimester of pregnancy.
Preparation for MR examination of the neck
- You should bring with you the results of all imaging studies that have been performed to date.
- If you are taking medication, you should take it at a consistent time.
- As a precaution, it’s best not to bring anything into the MR lab that contains metal, so in a magnetic field it could pose a danger to both the patient and the equipment and staff in the room – as well as to the reliability of the test results.
- MRI of the neck does not require the removal of clothing. However, the outfit should be comfortable – making it easier to maintain immobility – and free of metal elements such as zippers, buttons, buckles, underwire and bra hooks, and even sequins and metallic prints.
- It is a good idea to appear for the examination some time in advance, so that you can calmly fill out a questionnaire about your condition and possibly consent to the administration of contrast. The person performing the MRI must also have time to review the medical records of the condition with which the patient is presenting for the MRI.
- In particular, the results of previous imaging studies of the neck region are important for comparing the patient’s current health status.
Course of MR examination of the neck
Our facility has a state-of-the-art MR: the Sola MR. Its software can digitally reduce motion artifacts, so the examination has much higher quality.
Nevertheless, during the subsequent neck MRI sequences, which last about five minutes, the patient should refrain from coughing or swallowing saliva as much as possible – and, of course, not shake his head.
Various supports, sponges or rollers (stabilizers) are often used to immobilize it. MRI of the neck is completely painless.