Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a Axial fused perfusion SPECT and CT (185 MBq of Pulmocis®). b Axial fused ventilation SPECT and CT (148 MBq of Krypton®). c Axial CT scan. Mismatched ventilatory defect in the posterior segment of the right upper lobe (white arrow), compared to ground glass on the scanner (black arrow)
