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Fig. 1 | EJNMMI Research

Fig. 1

From: Correlation of positron emission tomography ventilation-perfusion matching with CT densitometry in severe emphysema

Fig. 1

Shown are the relationships between perfusion & ventilation, as demonstrated on 68Ga-VQ/PET-CT and emphysema severity, as demonstrated on CT densitometry. a) perfusion versus ventilation in all lobes. b) voxel density versus perfusion in all lobes. c) voxel density versus ventilation in all lobes. d) voxel density versus proportion of lung with normal V/Q units. e) voxel density versus proportion of upper lobes with normal V/Q units. f) voxel density versus, proportion of lung with matched V/Q defects

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