A phantom image produced by displaced blur margins of the cardiac silhouettte and mimicking a paraspinous retrocardiac mass was noted in 50% of 125 hypocycloidal full chest tomograms. It was reproduced on tomograms of a chest phantom. Careful comparison with routine posteroanterior and lateral chest radiographs prevents misinterpretation.
ASJC Scopus subject areas
- Radiology Nuclear Medicine and imaging