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The lung scan in patient selection for lung volume reduction surgery
1Department of Radiology, Chapman Medical Center, Orange, California.
Unlabelled:
The lung scan is one of the most important diagnostic tests used for selecting candidates for lung volume reduction surgery (LVRS) and for determining the actual percentage of lung to be resected during the surgery (McKenna R, personal communication, 1997). This article describes the anatomical quantitation of the lungs.
Methods:
We used automatic and manual regions of interest in the posterior, and both posterior obliques of lung perfusion images to calculate the percent function in each individual lung lobe.
Results:
We evaluated 172 patients with this technique. Subsequently 136 of these patients had LVRS.
Conclusion:
The anatomical placement of regions of interest in the lung perfusion image aids the thoracic surgeon in selecting LVRS candidates and in determining the amount of lung to be resected during surgery.