title: Tumor microembolism: pulmonary perfusion pattern.
abstract: Three patients had radionuclide lung perfusion images that we believe to be typical of tumor microembolism. Autopsy confirmation was available in two of these cases. A brief review of pulmonary tumor microembolism is included.
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000000981:diagnostic imaging / Q000556:secondary*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D008875:Middle Aged; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging* / Q000209:etiology; D011877:Radionuclide Imaging; D014692:Ventilation-Perfusion Ratio