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Related Experiment Videos

Interinstitutional pathology consultations. A reassessment.

Michele M Weir1, E Jan, Terence J Colgan

  • 1Department of Pathology, London Health Sciences Centre, University of Western Ontario, London, Canada.

American Journal of Clinical Pathology
|September 25, 2003
PubMed
Summary

Interinstitutional pathology consultations (IPCs) can reveal diagnostic discrepancies. While most IPCs are concordant, a small percentage significantly impact patient management, highlighting the value of these consultations.

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Area of Science:

  • Pathology
  • Medical Diagnostics
  • Clinical Decision Making

Background:

  • Interinstitutional pathology consultations (IPCs) are crucial for verifying diagnoses.
  • Assessing the clinical impact of IPCs is essential for optimizing diagnostic workflows.

Purpose of the Study:

  • To retrospectively evaluate the clinical impact of 1,000 randomly selected IPCs.
  • To determine the frequency and reasons for diagnostic discrepancies identified through IPCs.

Main Methods:

  • Retrospective review of 1,000 randomly selected IPCs, including all patient specimens.
  • Classification of IPCs as concordant or discordant, with discordant cases further analyzed for clinical impact and reasons for discrepancy.

Main Results:

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  • 92.3% of IPCs were concordant; 6.8% were discordant.
  • Of discordant IPCs, 37 had a clinical impact, often due to interpretation differences (e.g., overdiagnosis, underdiagnosis, or stage changes).
  • Reasons for discordance included interpretation differences, additional sectioning, ancillary testing, and clerical errors.

Conclusions:

  • IPCs can identify significant diagnostic discrepancies that influence patient management.
  • The clinical impact of IPCs varies by body site, suggesting potential for targeted consultation strategies.
  • While mandatory IPCs ensure discrepancy identification, alternative strategies like targeted IPCs warrant further investigation.