Abstract
Background
We investigated extrathyroidal extension (ETE) through frozen biopsy for intraoperative decision making in patients with papillary thyroid cancer (PTC).
Methods
During the period of the study an operation was performed in 268 patients with PTC and ETE was evaluated using intraoperative frozen biopsies of thyroid tissue.
Results
Extrathyroidal extension was confirmed in 54 patients (20 %) on frozen biopsy. Fifty-three patients among 54 patients showing ETE on frozen biopsy were confirmed on permanent pathologic analysis. Accordingly, frozen biopsy had a sensitivity of 66 %, a specificity of 99 %, a positive predictive value of 98 %, and a negative predictive value of 87 %. Tumor size (OR 4.373; CI 2.257–8.475, p = <0.001) was an independent factor for predicting ETE on frozen biopsy.
Conclusions
Intraoperative frozen biopsy can be an useful tool in identifying the presence of ETE. It can also help the operator decide the extent of surgery and central neck dissection in patients with PTC.
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This work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Korea government (MEST) (No. NRF-2012R1A1A4A01009912).
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Park, Y.M., Wang, SG., Goh, J.Y. et al. Intraoperative Frozen Section for the Evaluation of Extrathyroidal Extension in Papillary Thyroid Cancer. World J Surg 39, 187–193 (2015). https://doi.org/10.1007/s00268-014-2795-5
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DOI: https://doi.org/10.1007/s00268-014-2795-5