5 Debunked Myths About Spine MRI
Spinal MRI is a modern and highly informative diagnostic method that allows doctors to comprehensively assess the condition of the vertebrae, intervertebral discs, spinal cord, and surrounding tissues. Despite its widespread use and safety, many misconceptions exist about it. Some patients are afraid of the examination, while others, conversely, overestimate its potential benefits. It is important to understand that MRI is a diagnostic procedure and not a universal solution for all back problems. In this article, we address five common myths about spinal MRI and explain the facts.
1. Spinal MRI is harmful
One of the most common myths is that MRI supposedly "radiates" the body and can have serious consequences. In fact, MRI doesn’t use radiation. Unlike X-rays or CT scans, it is based on magnetic fields and radio waves. This means that MRI is considered safe, even if repeated examinations are necessary. Therefore, it is used for the dynamic monitoring of spinal disorders such as herniated discs or inflammatory processes.
Concerns only arise if the patient has metal implants, a pacemaker, or other devices that are incompatible with a magnetic field. For this reason, a questionnaire is always completed, and contraindications are checked before the examination.
2. MRI only for severe pain
Many believe that a spinal MRI is only prescribed for severe pain. In fact, the indications are much broader. The examination may be recommended in cases of:
- Chronic back pain
- Numbness or weakness in the limbs
- Suspected herniated disc
- Spinal cord injuries
- Tumors and inflammatory diseases
Sometimes an MRI is also prescribed for moderate symptoms if the back pain doctor wants to clarify the diagnosis or rule out a serious condition. Therefore, the absence of severe pain does not mean that the examination is unnecessary.
3. An MRI always reveals the cause of back pain
Patients often expect an MRI to find the problem and immediately explain the cause of their back pain. However, this is not always the case. An MRI shows anatomical changes such as herniated discs, bulging discs, disc degeneration, and spinal stenosis. However, the presence of such changes doesn’t necessarily indicate the cause of the pain.
For example, many people without symptoms have bulging discs or even small herniated discs. Conversely, pain can be caused by myofascial syndrome or functional disorders, which are not always visible on an MRI. Therefore, the examination results are always interpreted in conjunction with the physical examination, the patient's symptoms, and the neurological status. An MRI is an important, but not the only, component of the diagnostic process.
4. If an MRI shows a herniated disc, surgery is necessary
The diagnosis of a herniated disc often unsettles patients. The myth persists that every herniated disc is a direct indication for surgery. In practice, most herniated discs are treated conservatively.
Surgery is only considered in certain situations:
- Severe compression of nerve structures
- Persistent pain that does not respond to treatment
- Progressive weakness in the extremities
- Cauda equina syndrome
In many cases, herniated discs resolve on their own over time, and the symptoms can be alleviated with medication, physical therapy, and exercise therapy. Therefore, surgery is not always necessary just because a herniated disc is visible on an MRI.
5. An MRI scan of the spine is very lengthy and painful
Another concern is the duration and discomfort of the examination. You indeed have to lie still for an MRI scan, and the machine can be noisy. However, modern MRI machines have become significantly more comfortable. You can search for "spine MRI near me" to find an experienced and qualified specialist in your area.
The scan of a section of the spine usually takes 15 to 25 minutes. The patient is given earplugs or headphones, and some centers even offer music. There are large-diameter or open MRI systems available, which are suitable for people with claustrophobia. Moreover, the staff maintains contact with the patient throughout the entire scan. Therefore, most people tolerate the examination well.
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