Pulmonary Embolism: Imaging Modalities-V/Q Scan, Spiral (Helical) CT, and MRI

Philip Costello; Krishanu B. Gupta

doi:10.1055/s-2001-18483

Seminars in Vascular Medicine, Inhaltsverzeichnis

Semin Vasc Med 2001; 01(2): 155-164
DOI: 10.1055/s-2001-18483

Pulmonary Embolism: Imaging Modalities-V/Q Scan, Spiral (Helical) CT, and MRI

Philip Costello¹ ² , Krishanu B. Gupta²

¹Harvard Medical School, Boston, Massachusetts
²Department of Radiology, Brigham and Women's Hospital Boston, Massachusetts

Abstract

ABSTRACT

Ventilation-perfusion (V/Q) imaging has been used as the screening test for pulmonary embolism (PE) for many years with diagnostic algorithms developed as a result of the Prospective Investigation of Pulmonary Embolism Diagnosis study. The primary conclusions were that high probability V/Q scans were reliable indicators for PE and normal or near-normal scans were reliable in the exclusion of PE. With the increasing availability of spiral (helical) computed tomography (CT) and many studies showing a high degree of accuracy for PE, there is much support for the replacement of V/Q by spiral CT. This article reviews the literature concerning V/Q scanning, spiral (helical) CT, and the future potential for magnetic resonance in the diagnosis of PE.

KEYWORD

Pulmonary embolism - CT - MR - V/Q imaging

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Referenzen

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