Advanced MRI Pathology Interpretation
The MRI Report Is Not the MRI
A focused review of the actual MRI images may identify clinically significant spinal pathology that was not fully characterized or correlated with the patient’s symptoms, examination findings, and injury mechanism.
In complex spine injury cases, the MRI images are evaluated in conjunction with the medical history, clinical findings, prior imaging when available, and biomechanical evidence to determine what the totality of the evidence supports.
MRI Image Review • Clinical-Imaging Correlation • Causation Analysis • Demonstrative Evidence
The MRI Report Is Not the MRI
Why the Actual MRI Images Matter
A radiology report is a written interpretation and summary of an imaging study; it is not a substitute for reviewing the complete image set when clinical correlation is required.
In complex spine injury cases, the important question is not simply whether an MRI is “positive” or “negative,” but whether the imaging findings anatomically correlate with the patient’s symptoms, objective clinical findings, injury mechanism, and clinical course.
The purpose of independent MRI review is not to search for abnormalities, but to determine whether clinically significant pathology has been fully characterized and appropriately correlated with the patient’s presentation.
Representative MRI Reviews
Representative Findings From Independent MRI Review
The following de-identified cases illustrate how review of the actual MRI images, integrated with the clinical record and injury biomechanics, can clarify findings relevant to diagnosis and medical causation.
Clinically Significant Disc Herniation
The original MRI report described a disc bulge. Independent review of the actual images demonstrated features consistent with a clinically significant disc herniation. The imaging was then correlated with the patient’s history, examination findings, and injury mechanism.llision.
Acute Traumatic Endplate Fracture
The original interpretation suggested reactive marrow edema associated with a Schmorl’s node and indicated that a post-traumatic etiology could not be excluded. Independent review of the MRI images identified imaging features consistent with an acute traumatic endplate fracture, providing important information regarding injury mechanism and causation.
The original MRI report did not identify ligamentous injury. Independent review demonstrated increased T2 signal and edema within the L3–L4 and L4–L5 interspinous ligaments, findings consistent with partial interspinous ligament injury.
Forensic Significance
These representative cases illustrate how independent review of the actual MRI images may clarify clinically significant pathology and provide objective imaging evidence relevant to diagnosis, clinical correlation, and medical causation.
Clinical-Imaging Correlation
The Most Important Finding May Be the Relationship Between the Evidence
Clinical Presentation
-Symptoms, neurologic findings, functional loss, and examination findings establish the clinical pattern that requires explanation.
MRI Pathology
The actual images are evaluated for disc injury, neural compromise, edema, ligament injury, endplate injury, and other structural abnormalities.
Clinical-Imaging Correlation
Imaging findings are anatomically correlated with the clinical presentation, medical history, injury mechanism, and course of care to determine their significance.
A study by Lurie et al. demonstrated meaningful variability in the interpretation of spinal MRI studies.
In one study comparing interpretations of lumbar MRI examinations, clinical spine specialists and radiologists did not always agree on the presence, location, or morphology of disc pathology.
A written radiology report should not automatically be treated as the final word when the patient’s symptoms, examination findings, or injury mechanism suggest that additional image review may be warranted.
The purpose of a focused MRI review is not to replace the radiologist. It is to determine whether the actual images contain clinically significant findings that require closer clinical correlation.
What the Review Examines
What the MRI Review Examines
The review is directed toward findings that may influence diagnosis, causation, permanency, and the medical understanding of the case.
01.
Disc Pathology
Evaluation of disc protrusions, extrusions, annular disruption, endplate changes, and other findings requiring correlation with the injury mechanism and clinical presentation.
02.
Neural Pathology
Assessment of nerve root involvement, foraminal compromise, spinal canal findings, and other abnormalities that may correlate with radicular or neurologic symptoms.
03.
Trauma-Related Findings
Evaluation for edema, acute structural change, soft-tissue injury, and other imaging findings potentially relevant to the timing and mechanism of trauma.
04.
Ligament & Instability Concerns
Identification of findings that may warrant further evaluation for ligament injury, abnormal motion, or biomechanical instability.
05.
Underreported or Incompletely Characterized Findings
Attention to pathology that may have been mentioned without adequate characterization, minimized as incidental, or omitted from the original report.
06.
Demonstrative Imaging
Selection and annotation of key images to help attorneys, treating providers, and jurors understand the location and significance of relevant pathology.
How the Review Works
01.
Review the Actual Images
The complete MRI study is reviewed rather than relying solely on the written radiology report.
02.
Compare the Radiology Report
The reported findings are compared with the pathology visible on the images.
03.
Correlate the Clinical Evidence
Symptoms, objective clinical findings, injury mechanism, prior history, and clinical course are correlated with the imaging.
04.
Identify the Key Findings
The most clinically and forensically significant images and findings are identified and organized.
05.
Explain the Significance
Relevant findings are translated into clear language and demonstrative images for attorneys, treating providers, and jurors.
When a Focused MRI Review May Be Particularly Valuable
- The radiology report does not adequately explain the patient’s symptoms
- Significant clinical findings appear inconsistent with a “mild” or “degenerative” MRI interpretation
- Causation is disputed
- Pre-existing degeneration is being used to deny traumatic injury
- Radicular symptoms are not adequately explained by the written report
- The attorney needs to understand the medical strengths and weaknesses of the imaging evidence
Differentiation
From Abnormality to Medical Significance
Identifying an MRI abnormality is only the beginning. The more important forensic questions are whether the finding is clinically relevant, anatomically consistent, and supported by the broader evidence.
Does the finding explain the patient’s symptoms and objective clinical findings?
Does it correlate with the physical examination?
Is it compatible with the injury mechanism?
Was the same region symptomatic before the event?
Does the imaging support a structural injury or lasting functional consequence?
Can the finding be explained clearly and accurately to a jury?
Image #4 is an axial T2 GRE image of the C5–C6 disc. Image #5 The RED LINE outlines the central disc protrusion from the annular fissure that pushes into the thecal sac defined by the BLUE LINE deforming the spinal cord as noted by the amber line.
Demonstrative Evidence
Turning Complex MRI Findings Into Understandable Visual Evidence
A key MRI finding may be apparent to a trained observer but difficult for an attorney or juror to interpret. Selected images can be enlarged, labeled, and organized to demonstrate:
- The location of the pathology
- The involved spinal level
- The relationship to a nerve root or other structure
- Comparison with adjacent or normal anatomy
- The relationship between the imaging and the patient’s symptoms
Effective demonstrative evidence should clarify the medical evidence without exaggerating it.
CLINICAL • IMAGING • BIOMECHANICS
MRI Review Informed by Clinical Spine Experience
Peter Zilahy, DC, LAc, FPSC
- Fellow, Primary Spine Care
- Mini-Fellowship in Neuroradiology – MRI Spine
- Independent MRI Review
- Spinal Trauma & Ligament Injury
- Collision Spinal Biomechanics
More than four decades of clinical spine experience provides the context for determining whether an imaging finding is merely present—or clinically significant. MRI findings are correlated with the patient’s history, examination findings, injury mechanism, and functional loss.
Does the MRI Report Tell the Complete Story?
When the written report does not fully explain the patient’s clinical presentation, an independent review of the actual MRI images may provide important additional evidence.