Diffusion Weighted Magnetic Resonance Imaging in Differentiation of Benign and Malignant Thyroid Nodules | ||||
| The Medical Journal of Cairo University | ||||
| Article 25, Volume 88, December, December 2020, Page 2183-2191 PDF (164.63 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjcu.2020.125300 | ||||
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| Authors | ||||
| MAHA A. EL-SHINNAWY, M.D.; MONA A.M. ALI NAGI, M.D.; SHERIF A. EBRAHIM, M.Sc. | ||||
| The Department of Radio-Diagnosis, Faculty of Medicine, Ain Shams University* and General Naval Military Hospital** | ||||
| Abstract | ||||
| Abstract Background: Thyroid nodules are common; their clinical significance is mainly related to excluding malignancy. Re-gardless of the careful reporting of FNAC and frozen section biopsies, there is significant number of discordance with final histopathology reports, which leads to unnecessary thyroid-ectomies. DWI-MRI can help in the differentiation of benign and malignant thyroid nodules providing qualitative and quantitative information about the diffusion properties. Aim of Study: Is to determine the diagnostic accuracy of Diffusion-Weighted Imaging (DWI) and Apparent Diffusion Coefficient (ADC) mapping in differentiating benign from malignant thyroid nodules by taking histopathology as the gold standard. Patients and Methods: This study was performed on 32 cases who were diagnosed by ultrasonography to have thyroid nodules; in the General Naval Military Hospital. The patients were referred from the Surgery Department to the Radiology Department over a period of 18 months (January 2018-June 2018). Results: In this study the sensitivity of DWI and ADC mapping in differentiating benign from malignant thyroid nodules reached 100%. Conclusion: Quantitative DWI has a high sensitivity, and may be a reliable, non-invasive and non-radiative imaging modality for the detection of thyroid nodules. ADC values seem to be able to differentiate benign from malignant thyroid disease. | ||||
| Keywords | ||||
| DWI; ADC mapping; Thyroid nodules | ||||
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