Adrenocortical Carcinomas and Adrenal Pheochromocytomas: Mass and Enhancement Loss Evaluation at Delayed Contrast-enhanced CT

Abstract

The enhancement loss in adrenocortical carcinomas and pheochromocytomas is similar to that in adrenal metastases but significantly less than that in adrenal adenomas. The percentage change in contrast material washout is a useful adjunct to absolute CT attenuation values in differentiating adrenal adenomas from adrenocortical carcinomas and pheochromocytomas.