Most of the patients with acute interstitial pneumonitis on HRCT will show bilateral ground-glass attenuation, traction bronchiectasis, airspace consolidation, architectural distortion.  This pattern of abnormality is typically found in acute interstitial pneumonitis but it is not diagnostic.
Hamman-Rich syndrome CT
Myxoma CT
Fibroma CT
Hairy cell leukemia CT
Rhabdomyosarcoma CT
Mesothelioma CT
Paget-Schroetter disease CT
Ewing's sarcoma CT