Fig. 3. (A) Multispectral PA analysis of human thyroid in vivo. (B) Three-dimensional illustrations of the multiparametric values with the classification results. (C) Classification results of the thyroid nodules based on the SVM decision function values. (D) Classification results of the thyroid nodules based on the ATAP score. ATAP: the American Thyroid Association and the photoacoustic probability of PTC, B: benign, ND: nodule, PA: photoacoustic, PTC: papillary thyroid cancer, Se: sensitivity, sO₂: hemoglobin oxygen saturation, Sp: specificity, SVM: support vector machine, US: ultrasound. The images are reproduced with permission from Ref. 28.

Int J Thyroidol 2022;15:23-7 https://doi.org/10.11106/ijt.2022.15.1.23

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