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Updated: Mar 19, 2026

A Novel Method: Super-selective Adrenal Venous Sampling
Published on: September 15, 2017
Chemical-shift MRI versus washout CT for characterizing adrenal incidentalomas
Mohammad H Abo Warda1, Samar M Shehata1, Fatma Zaiton1
1Department of Diagnostic Radiology, Zagazig University, Egypt.
Objective:
To compare the accuracy of computed tomography (CT) and magnetic resonance imaging (MRI) in characterizing adrenal masses.
Materials And Methods:
A total of 45 adrenal masses in 38 patients underwent unenhanced CT, enhanced CT, and chemical-shift MRI. Sensitivities and accuracies using the lesion attenuation values, absolute or relative percentage washout for CT, and adrenal-to-spleen ratio or signal intensity index for MRI were calculated. Follow-up or histopathology was used as standard reference.
Results:
A total of 15 lipid-rich adenomas, 6 lipid-poor adenomas, and 24 nonadenomas were obtained. The sensitivities for adenoma on MRI versus CT were 81% and 95%, respectively. The specificities were 100%.
Conclusion:
CT is superior to MRI in characterizing adenomas.
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