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Frozen section in thyroid surgery.

D Giuliani1, P Willemsen, J Verhelst

  • 1Department of General Surgery, Middelheim General Hospital, Antwerp, Belgium. giuldav@hotmail.com

Acta Chirurgica Belgica
|June 10, 2006
PubMed
Summary
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Frozen section in thyroid surgery shows high specificity but low sensitivity for malignancy detection. Extensive tissue sampling is crucial for accurate diagnosis, which frozen section cannot provide.

Area of Science:

  • Surgical Pathology
  • Oncology
  • Endocrine Surgery

Background:

  • Frozen section (FS) is a rapid intraoperative diagnostic tool.
  • Its utility in thyroid surgery for malignancy detection requires evaluation.

Purpose of the Study:

  • To assess the diagnostic accuracy of frozen section in thyroid surgery.
  • To determine the effectiveness of FS in identifying malignancy in thyroid nodules.

Main Methods:

  • Retrospective review of 417 thyroid surgery cases (1997-2004).
  • Analysis of frozen section data for solitary thyroid nodules.
  • Calculation of diagnostic metrics: specificity, sensitivity, PPV, NPV.

Main Results:

  • Frozen section was performed in 128 operations.

Related Experiment Videos

  • Specificity for malignancy was high (98.16%).
  • Sensitivity was limited (56.25%), with challenges in diagnosing follicular lesions due to invasion criteria.

    • Conclusions:

    • Frozen section has limitations in providing adequate histopathologic diagnosis for thyroid disease.
    • Extensive specimen subsampling, essential for accurate diagnosis, is not feasible during intraoperative FS.
    • Final diagnosis relies on comprehensive examination of permanent sections.