ABSTRACT

Pulmonary Langerhans cell histiocytosis is a rare idiopathic disorder mostly seen in young adults smokers. A 29-year-old male patient referred with the complaints of cough and shortness of breath for the last three months. He has been smoking wrapped tabacco for three years. In high resolution computed tomography, low density micronodules which has some cavities are observed in both lung lobes. It has been observed widely and distinctly in upper and middle zones but relatively less in basal parts. A wedge resection was performed by mini-thoracotomy. The histopathological diagnosis was Pulmonary Langerhans Cell Histiocytosis. A significant regression clinically and radiologically observed upon making the patient quit tobacco.