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Metastatic Pattern of Spread of Pheochromocytoma  adult

Introduction: Also known as extra-adrenal paraganglioma. It is classically stated that 10% of pheochromocytomas are malignant (have metastases). Extra-adrenal lesions are more likely to be malignant.

Prevalence: Very Rare Metastasis Frequency: Rare

American Journal of Roentgenology. 2005;184:860-867 PMID: 15728610

Eur J Clin Invest. 2011 October; 41(10): 11211128. PMID: 21692797

Primary Tumor:

 Characteristics Comments
Adrenal Glands Hyperenhancing, Cystic, T2 Hyperintense Lesions may be partially or completely cystic (or solid).

Known Metastatic Locations:

SiteFrequencyCharacteristics Comments
Local Lymph Nodes Common
Liver CommonHyperenhancing
Bone Common
Lung Parenchyma UncommonNodule