Fig. 18From: Diffuse smoking-related lung diseases: insights from a radiologic-pathologic correlationDifferential diagnosis of DIP. a Axial and b coronal CT images depict NSIP in a female patient with systemic sclerosis. CT findings show bilateral and asymmetrical ground-glass opacities, with a lower lobe predominance and immediate subpleural sparing. c Axial and d coronal CT images depict pneumocystosis in an immunocompromised patient with HIV. Imaging findings show bilateral ground-glass opacities, predominantly in the lower lobesBack to article page