An aldosterone-producing adrenal cortical adenoma.

Primary aldosteronism, when caused by an aldosterone-producing adenoma, is a surgically treatable condition. An operation was performed on a 44-year-old patient with this condition. The pre-operative preparation and anaesthetic management are presented. The specific problems of hypertension, hypokalaemia, hypokalaemic alkalosis and renal lesions, and their importance to the anaesthetist are discussed.