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ARTICLE · 16 OCTOBER 2026

Can Cauda Equina Be Missed On An MRI?

JMW Solicitors LLP
JMW Solicitors LLP
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JMW Solicitors LLP

JMW Solicitors LLP

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Magnetic resonance imaging is essential for diagnosing cauda equina syndrome, but compression can still be missed even when scans are performed. Understanding how MRI findings can be misinterpreted or underestimated, and when this constitutes medical negligence, is crucial for patients who have experienced diagnostic delays.

United KingdomLitigation, Mediation & Arbitration

Magnetic resonance imaging (MRI) is the main imaging test used when doctors suspect a case of cauda equina syndrome (CES); however, even then there are circumstances where the right diagnosis may still be missed.

There are two main ways this can happen. Cauda equina compression may be present but missed when the MRI is reported, or the compression may be identified but its significance underestimated.

In either situation, the question in a medical negligence claim is not simply whether an MRI was carried out. It is whether the scan was interpreted correctly, whether the MRI findings were considered alongside the patient’s symptoms and whether doctors acted on the results when they should have done.

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