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. 2023 Nov 7;13:958310. doi: 10.3389/fonc.2023.958310

Table 3.

A summary of recent research applying AI to histology specimens.

Study Year Aim Technique Level Sample Size Reported Metrics Results
Jothi and Rajam (90) 2017 PTC vs normal thyroid Ensemble learning with two support vector machines and a closest-matching-rule classifier Image 219 Accuracy
Sensitivity
Specificity
99.5%
100%
98.6%
Wang et al. (91) 2019 Multiclassification of thyroid nodules CNN Slide 806 Accuracy 98.4%
Image 11,715 Accuracy 97.3%
Tsou and Wu (92) 2019 Predict BRAF or RAS mutational status CNN Slide 103 Accuracy 95.2%
Image 2,595 AUROC 0.951
Dolezal et al. (93) 2020 Classify NIFTP, PTC-EFG, and PTC as BRAF- or RAS-like CNN Slide 612
Predict BRAF-RAS score and use it to discriminate NIFTP status Slide 497 AUROC 0.99
Liu et al. (94) 2021 PTC vs normal thyroid CNN Image 2,772 Accuracy 98.6%
Esce et al. (95) 2021 Identify lymph nodal metastases CNN Slide 174 Sensitivity
Specificity
AUROC
94%
100%
0.964
El-Hossiny et al. (96) 2021 Multiclassification of thyroid nodules Cascaded CNNs Image 18,653 Accuracy 94.7%
Han et al. (97) 2021 PTC vs normal thyroid CNN Image 16,500 Sensitivity
Specificity
95.8%
95.1%
Anand et al. (98) 2021 Predict BRAF mutational status Weakly supervised CNN Slide 529 AUROC 0.98
Böhland et al. (99) 2021 PTC-like (PTC, NIFTP and FV-PTC) vs non-PTC-like (FA, FTC) CNNs and machine learning algorithms applied to two datasets Slide 156 Accuracy 89.7%
Slide 133 Accuracy 83.5%
Deng et al. (100) 2022 PTC vs non-PTC Ensemble of a CNN and random forest Image 610 Accuracy
Sensitivity
Specificity
AUROC
93.8%
85.9%
97.2%
0.982
Stenman et al. (101) 2022 Quantification of tall cells in PTC Two CNNs Image 2,970 Sensitivity
Specificity
93.7%
94.5%

PTC, papillary thyroid carcinoma; CNN, convolutional neural network; BRAF, RAS, gene types; AUROC, area under the receiver operating characteristic curve; NIFTP, noninvasive follicular thyroid neoplasm with papillary-like nuclear features; PTC-EFG, papillary thyroid carcinoma with extensive follicular growth; FV-PTC, follicular variant of papillary thyroid carcinoma.