Paraneoplastic Endocrine SyndromesHyperaldosteronismParaneoplastic SyndromesParaneoplastic Syndromes, Nervous SystemParaneoplastic PolyneuropathyParaneoplastic Cerebellar DegenerationAldosteroneHypokalemiaSyndromeAldosterone SynthaseAdrenal Gland NeoplasmsSpironolactoneLimbic EncephalitisAdrenocortical AdenomaParaneoplastic Syndromes, OcularAdrenalectomySteroid 11-beta-HydroxylaseMineralocorticoid Receptor AntagonistsAdrenal GlandsGitelman SyndromeReninAdrenal Cortex NeoplasmsPolydipsia18-HydroxycorticosteroneCanrenoneEndocrine GlandsLambert-Eaton Myasthenic SyndromeEndocrine SystemAdenoma