Arteriographic Assessment of Lung Scanning in the Diagnosis of Pulmonary Thromboembolism

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Abstract
SCINTILLATION scanning of the lungs is being used with increasing frequency as a means of establishing the diagnosis of pulmonary thromboembolism.1 2 3 4 5 6 Little information is available, however, concerning the reliability and specificity of the technic in reflecting the presence and extent of intra-arterial lesions. Since arteriography of the lung permits identification of structural changes within the pulmonary arteries7 8 9 10 11 12 13 it serves as a way of assessing the accuracy of the scan in the diagnosis of thromboembolic disease. Therefore, we performed selective pulmonary arteriography and radioisotopic lung scans in patients suspected of having pulmonary thromboembolism and in patients known to have other cardiorespiratory . . .