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Veterinary radiologic error rate as determined by necropsy.

Jonathan Cohen1, Anthony J Fischetti2, Heather Daverio3

  • 1Department of Radiology, MedVet Medical and Cancer Centers for Pets, Fairfax, Ohio, USA.

Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
|June 9, 2023
PubMed
Summary
This summary is machine-generated.

Veterinary diagnostic imaging accuracy shows a 40% major discrepancy rate, with a 4.6% radiologic error rate in major diagnoses. Most discrepancies were not due to radiologist error, highlighting areas for improved veterinary imaging interpretation.

Keywords:
autopsydiagnostic errordiscrepancyinterstitial lung diseasemisdiagnosisreader bias

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Area of Science:

  • Veterinary diagnostic imaging
  • Comparative pathology
  • Radiology

Background:

  • Large-scale postmortem audits of antemortem imaging diagnoses are lacking in veterinary medicine.
  • Assessing diagnostic accuracy by comparing antemortem imaging with necropsy findings is crucial for improving patient care.

Purpose of the Study:

  • To conduct a large-scale audit of antemortem diagnostic imaging accuracy against necropsy diagnoses in veterinary patients.
  • To determine the discrepancy and radiologic error rates in veterinary diagnostic imaging.
  • To identify patterns of misdiagnosis and discrepancy to improve imaging interpretation.

Main Methods:

  • Retrospective, observational, single-center diagnostic accuracy study.
  • Collected and reviewed 1099 necropsy reports and corresponding antemortem imaging from The Schwarzman Animal Medical Center over one year.
  • Categorized discrepancies between necropsy diagnoses and antemortem imaging, calculating radiologic error rates for significant missed diagnoses and misinterpretations.

Main Results:

  • A total of 1099 necropsy diagnoses had corresponding antemortem imaging.
  • 440 major diagnoses showed a 40% major discrepancy rate (176/440), similar to human medicine.
  • A radiologic error rate of 4.6% was calculated for major discrepancies (17/440), comparable to human error rates (3-5%).
  • Nearly half of significant abnormalities at necropsy were undetected by antemortem imaging, but most discrepancies were not due to radiologic error.

Conclusions:

  • While radiologic error rates are comparable to human medicine, a significant portion of veterinary diagnostic discrepancies stem from factors beyond interpretation errors.
  • Identifying common patterns of misdiagnosis and discrepancy is essential for refining veterinary imaging analysis and reducing interpretive errors.
  • This study provides a foundation for improving the accuracy and reliability of antemortem diagnostic imaging in veterinary medicine.