Kanupriya Bhatia - Department of Respiratory Medicine, Himalayan Institute of Medical Sciences, Dehradun, India.
Manvendra Garg - Resident, Department of respiratory med, Himalayan Institute of Medical Sciences, Swami Rama HImalayan University
Sanket Joshi - Department of Respiratory Medicine, Himalayan Institute of Medical Sciences, Dehradun, India.
Manoj Kumar - Department of Respiratory Medicine, Himalayan Institute of Medical Sciences, Dehradun, India.
Smita Chandra - Department of Pathology, Himalayan Institute of Medical Sciences, Dehradun, India.
Rakhee Khanduri - Department of Respiratory Medicine, Himalayan Institute of Medical Sciences, Dehradun, India.

Pulmonary mass lesions are very commonly encountered in our practice. Sometimes they present as homogenous opacity on a Chest Xray or CT scan and sometimes as a collapsed lung. Most of them are malignant and some are benign also. Lung infections rarely present as endobronchial mass. Only histopathology can aid us in diagnosing. One rare disease that can present as an invasive mass lesion is Pulmonary actinomycosis. We present a case of Lung actinomycosis coinfected with Mycobacterium tuberculosis that presented to us with the complaint of right lung collapse and effusion due to endobronchial growth mimicking lung malignancy.

Actinomyces, Tuberculosis, Mass