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Economic Impact of Frozen Section for Thyroid Nodules with "Suspicious for Malignancy" Cytology.

Economic Impact of Frozen Section for Thyroid Nodules with "Suspicious for Malignancy" Cytology.
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Bollig CA, Gilley D, Lesko D, Jorgensen JB, Galloway TL, Zitsch RP, Dooley LM,


Bollig CA, Gilley D, Lesko D, Jorgensen JB, Galloway TL, Zitsch RP, Dooley LM, (click to view)

Bollig CA, Gilley D, Lesko D, Jorgensen JB, Galloway TL, Zitsch RP, Dooley LM,

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Otolaryngology–head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery 2018 01 02158(2) 257-264 doi 10.1177/0194599817740328

Abstract

Objective To perform a cost analysis of the routine use of intraoperative frozen section (iFS) among patients undergoing a thyroid lobectomy with "suspicious for malignancy" (SUSP) cytology in the context of the 2015 American Thyroid Association guidelines. Study Design Case series with chart review; cost minimization analysis. Setting Academic. Subjects and Methods Records were reviewed for patients with SUSP cytology who underwent thyroid surgery between 2010 and 2015 in which iFS was utilized. The diagnostic test performance of iFS and the frequency of indicated completion/total thyroidectomies based on the 2015 guidelines were calculated. A cost minimization analysis was performed comparing lobectomy, with and without iFS, and the need for completion thyroidectomy according to costs estimated from 2014 data from Medicare, the Bureau of Labor Statistics, and the Nationwide Inpatient Sample. Results Sixty-five patients met inclusion criteria. The malignancy rate was 61.5%, 45% of which was identified intraoperatively. The specificity and positive predictive value were 100%. The negative predictive value and sensitivity were 83% and 95%, respectively. Completion/total thyroidectomy was indicated for 9% of patients; 83% of these individuals had findings on iFS that would have changed management intraoperatively. Application of the new guidelines would have resulted in a significant reduction in the frequency of conversion to a total thyroidectomy when compared with the actual management (26.1% vs 7.7%, P = .005). Performing routine iFS was the less costly scenario, resulting in a savings of $474 per case. Conclusion For patients with SUSP cytology undergoing lobectomy, routine use of iFS would result in decreased health care utilization.

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