Fixation artefact in an intra-operative frozen section: a potential cause of misinterpretation

Andrew M Thomson1, William A Wallace

  • 1Division of Pathology, College of Medicine and Veterinary Medicine, The University of Edinburgh and Department of Pathology, Royal Infirmary of Edinburgh, Edinburgh. Andrew.Thomson@luht.scot.nhs.uk

Insights

Intraoperative tissue assessment offers vital surgical insights but fixation can compromise analysis. Implementing defined handling protocols ensures optimal specimen integrity for accurate laboratory evaluation.

Area of Science:

  • Surgical Pathology
  • Histology
  • Laboratory Medicine

Background:

  • Intraoperative histological assessment of fresh tissue is crucial for surgical decision-making.
  • Standard tissue fixation methods can interfere with the analysis of fresh specimens.
  • Optimal specimen handling is necessary to preserve tissue integrity for accurate diagnosis.

Discussion:

  • The integrity of fresh tissue specimens is paramount for accurate intraoperative histological assessment.
  • Exposure to fixation agents, even briefly, can alter tissue characteristics, potentially impacting diagnostic yield.
  • Standardized protocols are essential for managing fresh tissue specimens from collection to laboratory receipt.

Key Insights:

  • Fresh tissue analysis provides critical intraoperative diagnostic information.
  • Fixation compromises histological assessment, necessitating careful specimen management.
  • Defined handling strategies are required to maintain specimen quality.

Outlook:

  • Developing and implementing standardized fresh tissue handling protocols is key.
  • Improved specimen integrity will enhance the reliability of intraoperative consultations.
  • This approach supports better surgical management and patient outcomes.