Differences in the dielectric properties of various benign and malignant thyroid nodules

Purpose This experiment was conducted to investigate the dielectric properties of different types of thyroid nodules. Our goal was to find a simple and fast method to detect thyroid diseases at different stages from the dielectric properties of thyroid nodules. Methods We used the open‐ended coaxial...

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Bibliographic Details
Published in:Medical physics (Lancaster) 2021-02, Vol.48 (2), p.760-769
Main Authors: Huang, Shengyi, Cai, Weizhen, Han, Shuai, lin, Yu, Wang, Yu, Chen, Fei, Shao, Guoli, Liu, Yonghong, Yu, Xuefei, Cai, Zhai, Zou, Zenan, Yao, Shun, Wang, Qiaohui, Li, Zhou
Format: Article
Language:English
Subjects:
dielectric properties
Electric Conductivity
Humans
open‐ended coaxial line
Thyroid Neoplasms - diagnosis
Thyroid Nodule - diagnostic imaging
thyroid nodules
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Summary:Purpose This experiment was conducted to investigate the dielectric properties of different types of thyroid nodules. Our goal was to find a simple and fast method to detect thyroid diseases at different stages from the dielectric properties of thyroid nodules. Methods We used the open‐ended coaxial line method to measure the dielectric permittivities of thyroid tissues from 155 patients at frequencies ranging from 1 to 4000 MHz. Tissues that were investigated included normal thyroid tissue and benign and malignant thyroid nodules (nodular goiter, follicular adenoma, papillary carcinoma, and follicular carcinoma), as determined from pathological reports. Differences in dielectric properties were measured between each nodule and the surrounding 1 cm of tissue. Results The analysis results revealed that the dielectric permittivity and conductivity values were positively correlated with the degree of malignancy of the nodule (normal 
ISSN:0094-2405
2473-4209
DOI:10.1002/mp.14562