“…The usefulness of radiocholesterol, CT, and MRI for the detection and differential diagnosis of adrenal masses has been discussed, but comparison of the qualitative properties of these three imaging modalities has not been extensively reported in the literature [2,8,13,20]. In our patients with functioning adenomas, the overall sensitivities of norcholesterol uptake on scintigraphy, attenuation value on CT, and suppression index on MRI were around 80% for each of the three.…”