title: V/Q mismatches unassociated with pulmonary embolism: case report and review of the literature.
abstract: A case is reported in which an intrathoracic stomach produced a ventilation/perfusion (V/Q) mismatch on lung scan. Causes of V/Q mismatch other than pulmonary embolism are reviewed.
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D013277:Stomach Volvulus / Q000000981:diagnostic imaging*; D013667:Technetium; D014692:Ventilation-Perfusion Ratio
chemical_list: D013667:Technetium