HRCT

1
HRCT

• Consider Alternate Diagnosis
• Pleural effusion
• Pleural thickening
• Moderate ground-glass densities
• Large mediastinal/hilar nodes
• Central lobular nodules and cysts

• Expected Findings for IPF
• Irregular reticular abnormalities
• Subpleural, posterior, lower-lobe predominance
• Subpleural honeycombing
• Minimal ground-glass opacities
• Traction bronchiectasis (late)
• Mild lymph node enlargement

Prone scans are often best for showing early
abnormalities
ATS/ERS Consensus Statement. Am J Respir Crit
Care Med. 2000161646-664.