Problems in the Diagnosis of Adrenal Tumors

Abstract
The angiographic findings of cortical nodular hyperplasia, adenolipoma and intracaval extension of recurrent pheochromocytoma were correlated with the pathological findings. Adenolipoma was angiographically similar to other adrenal neoplasms, adding difficulities to its differential diagnosis. Two cases of cortical nodular hyperplasia showed possibly pathognomonic patterns of discrete vascular cortical accumulations of contrast media which represent capillary malformations within the hyperplastic nodules. Intracaval extension of recurrent pheochromocytoma was similar to other tumors which invade veins.

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