title: Focal perfusion defect caused by sequestration in two cases.
mesh_terms: D000328:Adult; D001998:Bronchopulmonary Sequestration / Q000000981:diagnostic imaging / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011653:Pulmonary Diffusing Capacity; D011859:Radiography; D011877:Radionuclide Imaging