Understanding Straightening of the Disc with Slight Reversal of Normal Cervical Lordosis
Straightening of the disc with slight reversal of normal cervical lordosis means your neck's natural forward curve has flattened or slightly reversed, which can be a normal variation or potentially related to muscle spasm, injury, or degenerative changes.
What Is Normal Cervical Lordosis?
The cervical spine (neck) normally has a forward curve called lordosis when viewed from the side. This natural curve:
- Helps distribute weight properly through the spine
- Provides shock absorption
- Allows for proper range of motion
- Protects the spinal cord and nerve roots
What Your Finding Means
When radiologists describe "straightening" or "reversal" of cervical lordosis, they're noting that:
- The normal forward curve has flattened out (straightening)
- The curve may be slightly reversed (bending slightly backward instead of forward)
- The disc spaces between vertebrae may appear altered
Is This Finding Normal or Concerning?
Research shows considerable variation in what's considered "normal" cervical alignment:
- In people without neck pain, approximately 36.5% have lordotic curves, 36.5% have straight alignment, 17% have double curves, and 10% have kyphotic (reversed) curves 1
- Similar distributions are seen in people with neck injuries 1
- These variations can be present in asymptomatic individuals and may not necessarily indicate pathology
Potential Causes
Several factors can contribute to changes in cervical lordosis:
- Muscle spasm or guarding (protective muscle tightness)
- Poor posture (especially with prolonged forward head position)
- Age-related changes (the architecture of cervical lordosis changes with age) 2
- Previous injury or trauma
- Degenerative disc disease
- Congenital factors
Clinical Significance
The clinical significance depends on whether you have symptoms:
- If you have no symptoms, this finding may represent a normal variation
- If you have neck pain, numbness, or other symptoms, this finding may be relevant to your condition
- The American College of Radiology recommends MRI for soft tissue evaluation and CT for bony structures when further imaging is needed 3
Management Considerations
If you're experiencing symptoms:
Conservative management (typically tried for at least 6 weeks) 3:
- Physical therapy focusing on proper posture and neck strengthening
- Targeted exercises to help restore normal curve
- Pain management as needed
More specialized approaches if conservative care fails:
Surgical considerations (only in severe cases with neurological symptoms):
- The American Association of Neurological Surgeons recommends anterior cervical discectomy and fusion (ACDF) with plating to maintain lordosis in appropriate cases 3
Important Caveats
- Altered cervical lordosis should not be automatically attributed to muscle spasm from neck pain 1
- Clinical correlation is essential, as imaging findings don't always match symptoms 3
- The internal architecture of cervical lordosis differs between genders and age groups, even when overall lordosis appears similar 2
Remember that radiographic findings need to be interpreted in the context of your specific symptoms and clinical presentation.