Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 57 7 2020 01 26 464 467 EN Masoud Mohebbi Metabolic Syndrome Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. Shohreh Vojouhi Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran. Seyed Alireza Javadinia Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran. Faeze Keihanian Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran AND Department of Cardiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. AND Ghaem Hospitals, Mashhad University of Medical Sciences, Mashhad, Iran.AND Pharmaceutical Research Center, Booali Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. Mohammad Ali Yaghoubi Metabolic Syndrome Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. Ali Motamedzadeh Torghabeh Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran. 2019 01 01 2019 09 08 Ectopic increase of adrenocorticotropic hormone (ACTH) or ectopic Cushing syndrome is a rare initial presentation of small cell carcinoma and carcinoid tumor of the lung. Here, we reported a 36-year-old male with atypical symptoms of Cushing syndrome managed by Etomidate that had a central pulmonary nodule, and pathologic evaluation of pulmonary lobectomy revealed the diagnosis of well-differentiated, low-grade typical carcinoids of lung. https://acta.tums.ac.ir/index.php/acta/article/view/7664 https://acta.tums.ac.ir/index.php/acta/article/download/7664/5293