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.
Idiopathic pulmonary arterial hypertension. (A) Coronal lung windows CT image showing multiple subtle ill-defined ground glass opacities throughout both lungs (arrows); (B) coronal dual energy iodine perfusion map showing regions of hypoperfusion corresponding to the nodular areas (arrows). CT, computed tomography.
