<prompt> Which of the following is not a CT feature ofAdrenal adenomaLow attenuationHomogenous density and well defined bordersEnhances rapidly, contrast stays in it for a relatively longer time and washes out lateCalcification is rare  <response>: Adrenal adenoma on contrast-enhanced CTMRI shows rapid uptake and relatively rapid washout of contrast material than do non adenomasQ.Adenoma: CT featuresWell definedsharply defined 5 cm in sizeLow attenuation 10 HU due to lipid contentMild homogenous enhancementRelatively rapid washout of contrast material due to lack of large interstitial spacesRelatively rapid washout is characteristic of adenoma 