Abstract: Bronchopulmonary carcinoid tumors are observed rarely. Patients’ usual symptoms are coughing, hemoptysis and recurrent pneumonia, nevertheless in rare cases tese tumors may be diagnosed with clinic conditions related paraneoplastically secreted hormone effects. In this case report, we aimed to indicate a typical lung carcinoid tumor causing ectopic cushing syndrome,presented withdiabetes mellitus, hypertension and hypokalemia.