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- W2804480978 abstract "Purpose To perform a comparative quantitative analysis of Power Doppler ultrasound ( PDUS ) and Contrast‐Enhancement ultrasound ( CEUS ) for the quantification of thyroid nodules vascularity patterns, with the goal of identifying biomarkers correlated with the malignancy of the nodule with both imaging techniques. Methods We propose a novel method to reconstruct the vascular architecture from 3‐D PDUS and CEUS images of thyroid nodules, and to automatically extract seven quantitative features related to the morphology and distribution of vascular network. Features include three tortuosity metrics, the number of vascular trees and branches, the vascular volume density, and the main spatial vascularity pattern. Feature extraction was performed on 20 thyroid lesions (ten benign and ten malignant), of which we acquired both PDUS and CEUS . MANOVA (multivariate analysis of variance) was used to differentiate benign and malignant lesions based on the most significant features. Results The analysis of the extracted features showed a significant difference between the benign and malignant nodules for both PDUS and CEUS techniques for all the features. Furthermore, by using a linear classifier on the significant features identified by the MANOVA , benign nodules could be entirely separated from the malignant ones. Conclusions Our early results confirm the correlation between the morphology and distribution of blood vessels and the malignancy of the lesion, and also show (at least for the dataset used in this study) a considerable similarity in terms of findings of PDUS and CEUS imaging for thyroid nodules diagnosis and classification." @default.
- W2804480978 created "2018-06-01" @default.
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- W2804480978 date "2018-06-01" @default.
- W2804480978 modified "2023-09-26" @default.
- W2804480978 title "Quantitative analysis of thyroid tumors vascularity: A comparison between 3‐D contrast‐enhanced ultrasound and 3‐D Power Doppler on benign and malignant thyroid nodules" @default.
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- W2804480978 doi "https://doi.org/10.1002/mp.12971" @default.
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