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Should You Get an MRI for Low Back Pain?
Published: Sep 25, 2023
Many people with back pain wonder if they need an MRI. This article breaks down when imaging is necessary and why it's often not the first step.
Understanding Imaging Tests
MRI (Magnetic Resonance Imaging) provides detailed images of the spine and is more sensitive than X-rays. However, it's not always the best first step for diagnosing back pain. Over 85% of back pain cases resolve without any imaging.
When is Imaging Necessary?
Imaging is often reserved for cases with severe symptoms or risk factors for serious conditions like cancer or infection. If you have neurological deficits or symptoms persist beyond six weeks, your doctor may recommend an MRI.
The Downsides of Unnecessary Imaging
Getting an MRI too soon can lead to unnecessary treatments and increased healthcare costs. Many findings, like disc herniations, are common in people without pain and may not be the cause of your symptoms.
Frequently Asked Questions
If symptoms are severe or persist beyond six weeks.
No, most back pain resolves without imaging.
It shows detailed images of the spine, including discs and nerves.
Yes, it can lead to unnecessary interventions.
The Bottom Line
MRI is a powerful tool but often not needed for most acute back pain cases.
References
- Chou R, Fu R, Carrino JA, Deyo RA. Imaging strategies for low-back pain. Lancet 2009; 373:463.
- Jarvik JG, Hollingworth W, Martin B, et al. Rapid magnetic resonance imaging vs radiographs. JAMA 2003; 289:2810.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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