Table 1.

Subtypes of primary aldosteronism [6].

Aldosterone-producing adenoma (APA)—35% of cases

Bilateral idiopathic hyperplasia (IHA)—60% of cases

Primary unilateral adrenal hyperplasia—2% of cases

Pure aldosterone-producing adrenocortical carcinoma—<1% of cases

Familial hyperaldosteronism

Type I = glucocorticoid remediable aldosteronism—<1% of cases.

Type II = familial APA or IHA—<2% of cases.

Ectopic aldosterone-producing adenoma or carcinoma—<0.1% of cases