CTICasesPectus Excavatum
Imaging findings
Chest radiograph shows leftward displacement of the heart, loss of the normal right atrial border, and an ill-defined right paracardial opacity. CT confirms severe pectus excavatum (sternal depression) causing cardiac compression/displacement and compression of adjacent lung tissue.
Key takeaways
Severe pectus excavatum can displace the heart to the left and compress the right middle lobe/paracardial tissue, producing an atypical opacity on frontal radiographs that can be mistaken for pneumonia or a mass.
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