Spinal cord signal abnormality
In plain language
An area of the spinal cord looks different on MRI; this describes an observation rather than a confirmed cause.
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3 things to know first
- It is a descriptive MRI phrase. It does not diagnose one specific disease.
- The sequence and pattern matter. T2 brightness, location, length, and contrast enhancement offer clues.
- It is broader than myelomalacia. Chronic injury is only one possible interpretation.
What it is
MRI displays tissue using different signal intensities. A spinal cord signal abnormality means part of the cord differs from the expected appearance. Causes may include compression-related change, inflammation, injury, or other conditions; imaging and clinical assessment determine which is most likely.
Why it appears on your report
The radiologist may describe the spinal level, length, central or peripheral location, affected MRI sequences, and whether the area enhances after contrast. They may recommend comparison or further imaging if the cause is unclear.
How serious is it
The phrase alone does not establish severity. A new signal abnormality with neurological symptoms needs timely clinical review; a stable old finding may have a different meaning.
When to seek care urgently
Seek urgent care for new weakness, walking difficulty, rapidly spreading numbness, or bladder or bowel changes.
What usually happens next
- Review the complete MRI description and impression.
- Compare prior images, symptoms, and neurological examination.
- Follow any recommendation for additional imaging or specialist assessment.
Further reading
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