期刊
AMERICAN JOURNAL OF ROENTGENOLOGY
卷 193, 期 6, 页码 1500-1503出版社
AMER ROENTGEN RAY SOC
DOI: 10.2214/AJR.09.3365
关键词
chest CT; emergency medicine; H1N1; infectious diseases; multifocal ground-glass opacities; swine-origin influenza A
资金
- Intramural NIH HHS [ZIA EB000072-01, ZIA CL090019-01, Z99 CL999999] Funding Source: Medline
OBJECTIVE. Although most cases of swine-origin influenza A (H1N1) virus (S-OIV) have been self-limited, fatal cases raise questions about virulence and radiology's role in early detection. We describe the radiographic and CT findings in a fatal S-OIV infection. CONCLUSION. Radiography showed peripheral lung opacities. CT revealed peripheral ground-glass opacities suggesting peribronchial injury. These imaging findings raised suspicion of S-OIV despite negative H1N1 influenza rapid antigen test results from two nasopharyngeal swabs; subsequently, those results were proven to be false-negatives by reverse transcriptase polymerase chain reaction. This case suggests a role for CT in the early recognition of severe S-OIV.
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