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AdrenalIncidentaloma

D: Nonfunction adenoma (55%-94%) DDX: pheo, aldosterone-producing, cortisol-producing less common, gangloneuroma, adrenocortical ca, mets, (myolipoma, cysts, hemorrhage-CT alone)
C: VMA, metanephrine, NE (pheo), plasma-free metanephrine are 99% sen, 89% spec, Ioidine-131 specificity 90-100% for pheo.
N: 
M:
R: found in .7% to 4.3% on CT, 1.4% to 8.7% at autopsy
C:
T: resection if > 4cm

Lung CA - most common met to adrenals.
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