in 31 patients with primary aldosteronism routine clinical and laboratory data , the effect of orthostasis on plasma aldosterone ( pa ) , plasma renin activity ( pra ) and cortisol ( pc ) , effect of fludrocortisone or high sodium intake on basal pa and night-day fluctuations of basal pa and pc with and without suppression of pituitary acth by dexamethasone were determined to differentiate patients with a unilateral aldosterone producing tumour ( adenoma , apa , n=20 ; carcinoma , ca , n=1 ) from those with idiopathic bilateral adrenal hyperplasia ( iah , n=10 ) .
C0020268
cortisol
C0016280
fludrocortisone