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Published on: January 19, 2019
Drug-Induced Lung Injury Masking Lung Adenocarcinoma
Keisuke Watanabe1, Toshiko Kamata2,3, Shigetoshi Yoshida2,3
1Department of Pulmonary Medicine International University of Health and Welfare Atami Hospital Atami Shizuoka Japan.
Respirology Case Reports
|July 19, 2026
Summary
Drug-induced lung injury can mask lung adenocarcinoma, particularly the pneumonic type. Close radiological monitoring is crucial, even after pneumonia appears resolved, to ensure accurate diagnosis.
Area of Science:
- Pulmonology
- Oncology
- Radiology
Background:
- Lung adenocarcinoma can present atypically, mimicking inflammatory conditions.
- Drug-induced lung injury is a known cause of pulmonary infiltrates.
Purpose of the Study:
- To highlight a case where drug-induced lung injury obscured the diagnosis of lung adenocarcinoma.
- To emphasize the importance of vigilant radiological follow-up in similar cases.
Main Methods:
- Case report presentation.
- Review of radiological findings and clinical history.
Main Results:
- A case of lung adenocarcinoma was initially masked by drug-induced lung injury.
- Pneumonic-type lung adenocarcinoma presented as consolidation, mimicking inflammatory lung disease.
Conclusions:
- Drug-induced lung injury can present similarly to pneumonic-type lung adenocarcinoma.
- Radiological follow-up is essential after apparent pneumonia resolution to rule out underlying malignancy.