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  Indian J Med Microbiol
 

Figure 4: Discordant ventilation/perfusion scan findings (no ventilation but 11% perfusion) in a fluorodeoxyglucose avid right hilar mass invading right bronchus and pulmonary vessels. (a) V/Q planar scans of same patient, (b) lung quantitation of perfusion scan (c) FDG PETCT transaxial images showing the culprit small centrally placed tumour on right side - leading to significant discrepancy in MAA and DTPA aerosol distribution - Type IV A category

Figure 4: Discordant ventilation/perfusion scan findings (no ventilation but 11% perfusion) in a fluorodeoxyglucose avid right hilar mass invading right bronchus and pulmonary vessels. (a) V/Q planar scans of same patient, (b) lung quantitation of perfusion scan (c) FDG PETCT transaxial images showing the culprit small centrally placed tumour on right side - leading to significant discrepancy in MAA and DTPA aerosol distribution - Type IV A category