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Pulmonary infarction associated with bronchogenic carcinoma
Masashi Takahashi1, Yoko Murakami, Norihisa Nitta
1Department of Radiology, Shiga University of Medical Science, Seta-Tsukinowa, Otsu, 520-2192, Japan. masashi@belle.shiga-med.ac.jp
Radiation Medicine
|February 28, 2008
Summary
Pulmonary infarction can occur with bronchogenic carcinoma. CT scans show these infarcts as nodules or consolidations in the same lobe as the tumor, aiding diagnosis.
Area of Science:
- Radiology
- Oncology
- Pulmonology
Background:
- Bronchogenic carcinoma, a common lung cancer, can present with varied imaging findings.
- Pulmonary infarction, though less common, is a potential complication of lung malignancies.
Observation:
- Two cases of pathologically proven pulmonary infarction associated with bronchogenic carcinoma were analyzed.
- Computed tomography (CT) revealed distinct imaging characteristics for each infarction case.
Findings:
- Case 1: A well-defined, pleura-based nodule with specific borders, linked to subsegmental pulmonary artery obstruction by tumor invasion.
- Case 2: A rapidly evolving, pleura-based consolidation with blurred borders, potentially involving both pulmonary artery and vein obstruction.
Implications:
- Pulmonary infarction should be considered in the differential diagnosis of peripheral pulmonary nodules or masses.
- CT findings of infarction in the same lobe as primary lung cancer warrant further investigation for malignancy-related complications.
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