Abstract
Chest radiography remains the cornerstone for imaging pulmonary infections in normal hosts. It does a good, though imperfect, job of detecting pneumonia but is less effective in monitoring the response of the infection to therapy. In clinical settings where both pneumonia and noninfectious thoracic diseases are diagnostic possibilities, the addition of CT scanning to radiography can help identify imaging patterns that favor either an infectious or an non-infectious etiology. Occasionally these CT imaging patterns can narrow the differential diagnosis of possible infectious pathogens, but rarely can imaging point toward a specific organism. In most cases CT is better relied upon to identify complications of pneumonia than to identify a pathogen. Cost and radiation dose, however, argue against its indiscriminant use in patients with community acquired pneumonia. Ultrasound provides a safe low cost alternative to CT, but its utility is limited to pleural complications of pneumonia.
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Ketai, L., Busby, H.K. (2012). Pulmonary Infections in the Normal Host. In: Kanne, J. (eds) Clinically Oriented Pulmonary Imaging. Respiratory Medicine. Humana Press. https://doi.org/10.1007/978-1-61779-542-8_4
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DOI: https://doi.org/10.1007/978-1-61779-542-8_4
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