Editorials: elevated plasma calcitonin as a marker for bronchogenic carcinoma.


he observation of ectopic synthesis and secretion polypeptide hormones by nonendo, tumors has been reported with increasing frequency in the past decade. Carcinomas of the lung have been particularly versatile in this regard. Reports have included corticotropin ( adrenocorticotropic hormone) and vasopressin found in some oat-cell carcinomas, gonadotropins… (More)