title: Hypokalaemia as the only clinical symptom of ACTH ectopic secretion in a case of small cell carcinoma of the lung with very rapid evolution.
abstract: A patient with heavy hypokalaemia is described: hypokalaemia and its effects were the unique clinical manifestations of small cell carcinoma of the lung, associated with ACTH ectopic secretion. The rapid unfavourable evolution denotes the explosive behaviour of the syndrome.
mesh_terms: D000182:ACTH Syndrome, Ectopic / Q000150:complications*; D002277:Carcinoma / Q000150:complications* / Q000473:pathology; D006801:Humans; D007008:Hypokalemia / Q000209:etiology*; D008175:Lung Neoplasms / Q000150:complications* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009384:Paraneoplastic Endocrine Syndromes / Q000150:complications*