MDCT in the Differentiation of Adrenal Masses: Comparison between Different Scan Delays for the Evaluation of Intralesional Washout

Figure 1

Pheochromocytoma. (a) Unenhanced attenuation values: 43,9±41 HU. (b) Portal-phase attenuation values: 76,6±35 HU. (c) 5′ attenuation values: 73,6±31,9 HU. (d) 10′ attenuation values: 72,5±32,7 HU. Absolute percentage wash-out at 5′ : 9%. Relative percentage wash-out at 5′ : 3,9%. Absolute percentage wash-out at 10′ : 12,5%. Relative percentage wash-out at 10′ : 5,3%.

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