Nuclear Imaging for Subtype Diagnosis of Primary Aldosteronism

PET/CT will be performed; Non-contrast CT images will be acquired over the adrenals (slice width, \~3 mm). CETO (\~2.5 MBq/kg; up to 365 MBq +/- 20%) will be administered as a single dose intravenously and dynamic PET images will be acquired from \~0-90 minutes.