Lymphocytic interstitial pneumonitis with infective exacerbation of bronchiectasis


Scattered thin walled cysts of varying sizes is a typical appearance for lymphocytic interstitial pneumonitis (LIP) in a patient with known Sjogren syndrome. In the setting of treatment with immunosuppressive therapy, the development of bronchiectasis with accompanying ground glass opacities raises the possibility of infection with atypical organisms, such as fungi or mycobacteria.