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. 2021 Mar;9(6):507. doi: 10.21037/atm-21-392

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2021 Annals of Translational Medicine. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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The minimum number of LNs required for pathological examination to achieve accurate evaluation of regional LN status. (A) Detection of the first 6 LNs with the highest fluorescence intensity could ensure the accurate evaluation of cervical LN status after intravenous injection of ICG while the first 4 LNs with the highest fluorescence intensity could ensure the accurate evaluation after peritumoral injection of ICG. (B) Sensitivity and speciﬁcity based on the number of LNs per patient that needed to be assessed by pathology. LNs, lymph nodes; ICG, indocyanine green.