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Clinical nuclear medicine · Jan 2015
Standing prone positioning in establishing causality between matched ventilation-perfusion defects and pleural effusion.
- Joseph S Fotos and Mark Tulchinsky.
- From the Section of Nuclear Medicine, Department of Radiology, Milton S. Hershey Medical Center, Penn State University, Hershey, PA.
- Clin Nucl Med. 2015 Jan 1; 40 (1): 88-90.
AbstractVentilation-perfusion scintigraphy is routinely performed in patients with suspected pulmonary thromboembolism. Pleural effusions in such patients are common and can cause matched ventilation-perfusion defects. This is especially true of the posterior projections in the supine patient. Prone positioning has been described as a useful technique to redistribute pleural fluid anteriorly, exposing perfusion in posterior lung fields; however, some patients have a concurrent condition that renders prone positioning difficult. This report discusses a modified technique that allows patients to be imaged in a standing prone position with excellent results.
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