Intra-institutional second opinion diagnosis can reduce unnecessary surgery for indeterminate thyroid FNA: A preliminary report on 34 cases

Autor: Claudio Bellevicine, Giancarlo Troncone, Elena Vigliar, Ilaria Migliatico, Nicola Serra
Přispěvatelé: Bellevicine, Claudio, Migliatico, Ilaria, Vigliar, Elena, Serra, N, Troncone, Giancarlo
Rok vydání: 2017
Předmět:
Zdroj: Cytopathology : official journal of the British Society for Clinical Cytology. 28(4)
ISSN: 1365-2303
Popis: Introduction Indeterminate diagnoses are rendered on 15%-30% of thyroid fine-needle aspirates (FNA). Thus, a second diagnostic opinion given by an outside expert pathologist is a common practice that facilitates a more appropriate clinical management. Conversely, the role of an intra-institutional second opinion diagnosis (iSOD), which is usually informally performed in-house, has not been well established. Methods To assess the contribution of iSOD, a retrospective series of 34 thyroid FNA diagnosed as follicular neoplasm/suspicious follicular neoplasm (FN/SFN) with matched histological follow-up and a malignancy rate of 17.6% was selected and independently reviewed by two cytopathologists (CYT1 and 2). Cases with discrepant diagnoses were referred to a third in-house senior cytopathologist for the iSOD. The malignancy rates (MR) obtained after single independent reviews and iSOD were compared. Results MR obtained after CYT1 and CYT2 re-screening was similar (14.28% and 19.04%, respectively) and did not improve the original MR (17.64%). Conversely, after the iSOD of discrepant diagnoses, the overall malignancy rate increased up to the 27.27%, potentially sparing unnecessary surgical procedures. Conclusions Intra-institutional second opinion practice for “indeterminate” thyroid FNA avoids unnecessary surgeries and maximises the detection of malignant cases diagnosed as FN/SFN.
Databáze: OpenAIRE
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