Limiting the use of atypical/inconclusive as a category in nongynecologic cytology specimens

Tracie Koen, Dina R. Mody, Miriam Scheiber-Pacht, Todd Fairley, Michael J. Thrall

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Context.-Atypical has served as a descriptive term in cytology since the birth of the specialty by Dr Papanicolaou. This indeterminate diagnosis often results in repeat biopsies or additional tissue sampling and a needless delay in patient care if used inappropriately. Because of the definitional ambiguity of this term and the associated physician frustration, we have made a concerted effort at Methodist Hospital since 1995 to minimize the use of atypical as a diagnostic category. Objective.-To evaluate whether the dissolution of the atypical category has increased our cytologic-histologic discordance rate to more than the published reference range. Design.-From March 3, 2006, through December 31, 2008, all nongynecologic cases with atypical/indeterminate listed as the general diagnostic category were identified and retrieved from our laboratory data files. We then assessed the cytologic-histologic correlation rate during the corresponding time frame. Results.-A total of 48 atypical cases (0.2%) from 19 347 nongynecologic specimens were identified. Of the atypical cases, 52% (25 of 48) had intradepartmental consultation, 58% (28 of 48) had additional preparations examined, and 29% (14 of 48) documented limitations because of poor preservation. Our cytologic-histologic discrepancy rate for the period was 5.5%(214 of 3912 cases), with 89.3%(191 of 214 cases) resulting from sampling issues. On review of the small percentage of cytologic interpretative discrepancies, only one case was unhampered by less than 10% tumor cellularity or poor preservation. Conclusions.-Not using atypical as a diagnostic category, unless defined by Bethesda guidelines, has not affected our cytologic-histologic correlation rate.

Original languageEnglish (US)
Pages (from-to)1016-1019
Number of pages4
JournalArchives of Pathology and Laboratory Medicine
Volume134
Issue number7
StatePublished - Jul 1 2010

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Medical Laboratory Technology

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