Most common cause of ectopic ACTH production -
Ectopic ACTH can be secreted from original cancer tissues or metastatic lesions of SCLC. ... We repo a case of SCLC with Cushing syndrome due to EAS from the original tumor tissue in a 69-year-old male presenting with severe hypokalemia, metabolic alkalosis, and hypeension without any respiratory symptoms Ref Harrison 20th edition pg 597
Renal cell carcinoma
Hepatocellular carcinoma
Small cell carcinoma lung
Pheochromacytoma
Oncology