CTICasesInvasive Adenocarcinoma presenting as ILD
Imaging findings
CT chest shows mild, bilateral basal reticular opacities. A focal, asymmetric area of reticular consolidation and architectural distortion is present in the lung base. Biopsy confirmed invasive adenocarcinoma of the lung.
Key takeaways
Primary lung adenocarcinoma can present as a focal area of interstitial thickening and fibrosis, mimicking interstitial lung disease (ILD). Radiologists must be suspicious of focal, asymmetric reticular consolidations that do not match the distribution of the background ILD.
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