Multiple cystic lung disease in a smoker

Abstract Background Pulmonary cyst is a rounded lung parenchymal lucency, usually containing air or fluid. Approach to establishing the etiology of includes determining their location, number, distribution, and presence absence associated computed tomography findings (associated with nodules ground-glass attenuation). Multiple cysts may be seen in various diseases, radiological imaging usual starting point detecting cysts. Importance adequate clinical examination accompanied relevant investigations securing cannot overemphasized. We present first case rare multiple cystic disease from Kingdom Bahrain that was successfully managed oral corticosteroids. Case presentation A 42-year-old male, chronic smoker presented progressive dyspnea productive cough 1 year duration. He evaluated found have variable sized thin thick-walled bizarre shapes both lungs. diagnosis pulmonary Langerhans’ cell histiocytosis made, patient treated smoking cessation corticosteroids for 9 months. Conclusion Patients characteristic features can diagnosed as histiocytosis, without tissue biopsy. good response selected group patients.