|Table of Contents|

The differential diagnosis of benign and malignant thyroid nodules based on IVIM with integrated slice-by-slice shimming

Journal Of Modern Oncology[ISSN:1672-4992/CN:61-1415/R]

Issue:
2024 08
Page:
1492-1496
Research Field:
Publishing date:

Info

Title:
The differential diagnosis of benign and malignant thyroid nodules based on IVIM with integrated slice-by-slice shimming
Author(s):
WAN Jing1; JIANG Lin1; LI Shiguang2; MA Xuejin1; QU Rui3; LI Dongxue1
1.Department of Medical Imaging;3.Department of Breast and Thyroid Surgery,the First People's Hospital of Zunyi (the Third Affiliated Hospital of Zunyi Medical University),Guizhou Zunyi 563000,China;2.Department of Medical Imaging,the Second People's Hospital of Guiyang,Guizhou Guiyang 550000,China.
Keywords:
thyroid nodules; magnetic resonance imaging; layer-by-layer uniform field; diffusion weighted imaging; voxel-incoherent motion
PACS:
R736.1
DOI:
10.3969/j.issn.1672-4992.2024.08.022
Abstract:
Objective:Based on iShim-IVIM and conventional DWI technology,to compare the value of each quantitative parameter in identifying benign and malignant thyroid nodules.Methods:MRI data of 58 cases of thyroid nodules to be surgically resected were prospectively collected.Compare iShim-IVIM and DWI parameters:Pure diffusion coefficient (D),pseudo-diffusion coefficient (D*),perfusion fraction (f) and apparent diffusion coefficient (ADC) values in benign and malignant thyroid nodules.Receiver operating characteristic (ROC) curve was drawn for those with statistically significant differences,and the diagnostic efficiency of each parameter was compared.Results:There were 58 nodules,including 29 benign nodules and 29 malignant nodules.The differences in ADC,D,and f values between the two groups were statistically significant (P＜0.05),while the difference in D* value was not statistically significant (P＞0.05).The D value had the highest diagnostic efficiency for distinguishing benign and malignant thyroid nodules,with an AUC of 0.883.There was a positive strong correlation between ADC and D (r=0.752,P＜0.001),and no significant correlation between ADC and f,D* (r=0.231,0.092,P=0.081,0.492).Conclusion:Based on voxel-incoherent motion integrated slice-by-slice shimming (iShim-IVIM) technology,more information is provided for the differential diagnosis of benign and malignant thyroid nodules,and D has greater value than ADC generated by conventional DWI.

References:

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