By Brad Gorski, DC, FSBT | Elite Family Chiropractic | Charleston, SC
When your back hurts enough to interrupt sleep, work or time with your family, wanting an answer makes sense. You may wonder whether an X-ray or MRI would finally explain what is happening.
Back pain may need imaging when the examination raises concern for a fracture, serious illness or significant nerve injury. Imaging may also help when symptoms persist despite appropriate care and more information could change the diagnosis, inform the prognosis or alter the treatment plan. Many uncomplicated episodes can be evaluated and managed without imaging. [1,2]
At Elite Family Chiropractic, I start with your history and examination. Before ordering a test, I ask: could the result clarify or change the diagnosis, help us understand what recovery may look like, or change your treatment plan? That is the purpose of imaging. We need a specific clinical question and a reason the answer could matter to your care.
Two people can describe their symptoms as lower back pain and need very different evaluations. Pain after a fall deserves a different line of questioning than soreness after a long day in the yard.
I want to understand how your pain began, where it travels and what you are struggling to do. I also look at movement, strength, sensation and reflexes when appropriate. Your health history and any previous imaging help put those findings in context. [3]
If you are seeking back pain treatment in Charleston, you should leave the evaluation understanding our working diagnosis, what we recommend and what would make us change course.
Some symptoms call for emergency assessment. Go to an emergency department for back pain accompanied by new difficulty urinating, loss of bladder or bowel control, numbness around the groin or saddle area, or rapidly worsening leg weakness. These can be signs of serious nerve compression, including cauda equina syndrome. [4]
Significant back pain after a major accident also warrants urgent medical assessment. For high-risk spinal trauma, CT may be the appropriate first study to look for fractures. [5]
Other concerns deserve prompt medical evaluation, including:
The combination of symptoms, risk factors and examination findings determines the urgency and testing. Pain that interrupts sleep should be discussed, but night pain alone does not establish a serious diagnosis.
Some conditions do not require imaging. Uncomplicated low back pain that is improving with appropriate care can often be managed based on the history and examination. Even some cases of sciatica do not need an immediate scan when there are no concerning findings. [1]
That still leaves plenty to do. An appropriate plan may include education, activity adjustments, exercise and selected hands-on care. We should also establish when to reassess you and which changes you should report sooner. [2]
For me, a trial of conservative care needs a purpose. Are you walking more comfortably? Can you sit through work? Are symptoms becoming less frequent? Those changes help us judge whether the plan is helping.
If progress stalls, I want to revisit the diagnosis and treatment choices. You deserve an explanation for continuing care, changing it or requesting additional testing.
An X-ray is useful when we need information about the bones and overall structure of the spine. Depending on the situation, it may identify a fracture, vertebral slippage, scoliosis or arthritic changes. It can also show narrowing of the spaces between vertebrae. [3]
An X-ray does not directly show the discs and cannot show a disc bulge or herniation. It can show the space between vertebrae, including narrowing, but cannot establish whether a nerve is compressed. MRI provides the detail needed to assess discs, ligaments and nerves when that information is clinically relevant. [3,7]
A standard, static X-ray shows the spine in one position. That may be enough to answer the clinical question, but it does not show how the vertebrae move relative to one another. In selected cases, flexion and extension X-rays can add information about movement and stability that may affect the diagnosis, prognosis or treatment plan. These views are ordered when appropriate and safe; they are not needed for every patient. [1]
MRI provides detailed views of discs, ligaments and nerves. It can show disc bulges and herniations and help assess suspected connective tissue injury involving discs or ligaments. It also evaluates narrowing around nerves and other conditions that standard X-rays cannot adequately assess. MRI does not use ionizing radiation. X-rays and MRI answer different questions and can complement one another when both are clinically indicated. [7]
Pain that travels into the leg, especially with burning, tingling, numbness or weakness, may suggest nerve involvement. Sciatica describes a symptom pattern; the examination helps determine the likely explanation. [3]
Not everyone with sciatica needs an MRI at the first visit. Stable symptoms that are improving may be managed conservatively. Severe or progressive neurologic deficits change the urgency. [1,6]
When an MRI is appropriate, the findings need to match your symptoms and examination. A disc finding on one side of the spine may not explain symptoms on the other. The report is one part of the clinical picture. [8]
If symptoms are not meaningfully improving after four to six weeks of appropriate care, it is time to reassess. Do we still have the right working diagnosis? Is recovery following the expected course? Would more information change what we recommend?
Imaging may become clinically relevant at that point when diagnostic uncertainty remains or the findings could guide a change in care. Guidelines commonly use approximately six weeks of appropriate management when considering MRI for persistent or progressive symptoms, particularly when an injection or surgery is being considered. The choice of X-rays, MRI or another study depends on the question we need to answer; they are not interchangeable. [1,2]
Four to six weeks is a useful checkpoint for reassessment, not an automatic order for imaging. We may need imaging sooner when serious concerns are present, while someone recovering well may never need a scan.
Reassessment should happen sooner if symptoms change. I want to know if pain begins traveling farther down your leg, your foot feels weak, or daily activities are becoming harder. Our plan needs to respond to what is happening now.
After an injury, we consider how it happened, your symptoms, fracture risk and examination findings. Some patients need urgent imaging; others can be monitored with an appropriate care plan. [5,6]
The tests answer different questions. CT is particularly useful for evaluating bone in high-risk trauma. MRI may be needed when there is concern about connective tissue injury involving discs or ligaments, or injury to nerve structures. [5,7]
If you already had emergency imaging, bring the reports and images when available. I review what was evaluated and whether your symptoms have changed before deciding whether another study could help.
Our car accident chiropractic evaluations include follow-up reassessment. Persistent symptoms deserve attention, but they do not by themselves prove that an injury was missed.
Sometimes it does. Sometimes the finding is incidental, meaning it is present but may not be causing your symptoms.
A systematic review of 33 studies involving 3,110 people without symptoms found that disc degeneration and bulges were common and became more frequent with age. [8]
That does not mean every disc finding should be dismissed. It means we need to ask whether the location and type of finding fit your symptoms and examination.
I also want you to understand what the report means for your life. A word such as degeneration should lead to a useful discussion about function, recovery and treatment choices. It should not leave you assuming your back is permanently damaged or that surgery is inevitable.
My fellowship training in spinal biomechanics and trauma informs how I evaluate injuries and consider imaging. My responsibility is to explain the findings, recognize when the plan needs to change and help coordinate the care you need.
Depending on your case, that may involve chiropractic care, rehabilitation, physical therapy, pain management, primary care or a spine specialist. When imaging adds useful information, we discuss whether it changes the diagnosis, what it means for your expected recovery and whether your treatment plan should change.
This is the approach I describe in nonsurgical spine management and collaborative care. We follow your progress and make decisions around your function and individual needs.
If back pain is limiting your routine, or you are unsure what an existing scan means, schedule an evaluation at Elite Family Chiropractic in West Ashley. We serve patients throughout Charleston, including Johns Island, North Charleston and James Island and can help determine whether imaging belongs in your next step.
An X-ray can show bone changes that may contribute to narrowing, but it cannot directly show a pinched nerve. When imaging is indicated, MRI is generally more useful for assessing nerves and the surrounding discs and ligaments. [3,7]
Not routinely. The decision should follow your history and examination. Suspected fracture or other concerning findings may require imaging or referral before treatment. [1,6]
No. MRI provides information for decision-making. Any recommendation for surgery depends on the diagnosis, symptoms, examination and other treatment considerations. [7]
Yes. X-rays do not directly show discs, ligaments or nerves in enough detail to assess many causes of back pain. A normal X-ray does not invalidate your symptoms or replace a clinical evaluation. [3]
References
1. American College of Radiology. ACR Appropriateness Criteria: Low Back Pain.
3. American Academy of Orthopaedic Surgeons. Low Back Pain. OrthoInfo.
4. American Association of Neurological Surgeons. Cauda Equina Syndrome.
5. American College of Radiology. ACR Appropriateness Criteria: Acute Spinal Trauma.
