title: Unilateral lung hypoperfusion with normal ventilation on pulmonary scintigraphy caused by pulmonary artery sling.
authors.affiliation: Mallinckrodt Institute of Radiology, Washington University Medical Center, St. Louis, MO, USA.
authors.forename: P J
authors.initials: PJ
authors.lastname: Pickhardt
mesh_terms: D000328:Adult; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D008297:Male; D011651:Pulmonary Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D014692:Ventilation-Perfusion Ratio