Chemical shift MRI versus washout CT forcharacterizing adrenal incidentalomas

Publication date: Available online 6 February 2016
Source:Clinical Imaging
Author(s): Mohammad H. Abo Warda, Samar M. Shehata, Fatma Zaiton
Objectiveto compare the accuracy of CT and MRI in characterizing adrenal massesMaterials And Methods45 adrenal masses in 38 patients underwent unenhanced, 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. Follow up or histopathology as standard reference.Results15 lipid rich adenomas, 6 lipid poor adenomas and 24 non-adenomas. The sensitivities for adenoma on MRI versus CT were 81%, 95% respectively. The specificities were 100%.ConclusionCT is superior to MRI in characterizing adenomas.



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