Deep Venous Thrombosis with Suspected Pulmonary Embolism
Thoracic Imaging Peter A. Loud, MD Deep Venous Thrombosis Douglas S. Katz, MD Dennis A. Bruce, MD with Suspected Pulmonary Donald L. Klippenstein, MD Zachary D. Grossman, MD Embolism: Detection with Combined CT Venography Index terms: Computed tomography (CT), 1 angiography, 9*.129142, and Pulmonary Angiography 9*.12915, 9*.12916 Embolism, pulmonary, 60.72 Pulmonary angiography, 944.12914, 944.12915, 944.12916 PURPOSE: To determine the frequency and location of deep venous thrombosis at Veins, thrombosis, 9*.751, 9*.12914 computed tomographic (CT) venography after CT pulmonary angiography in a large series of patients clinically suspected of having pulmonary embolism and to Radiology 2001; 219:498–502 compare the accuracy of CT venography with lower-extremity venous sonography. Abbreviation: MATERIALS AND METHODS: Venous phase images were acquired from the DVT ϭ deep venous thrombosis diaphragm to the upper calves after completion of CT pulmonary angiography in 650 patients (373 women, 277 men; age range, 18–99 years; mean age, 63 years) 1 From the Department of Radiology, to determine the presence and location of deep venous thrombosis. Results of CT Roswell Park Cancer Institute, Elm and Carlton Sts, Buffalo, NY 14263 (P.A.L., venography were compared with those of bilateral lower-extremity venous sonog- D.L.K., Z.D.G.), and the Department raphy in 308 patients. of Radiology, Winthrop University Hospital, Mineola, NY (D.S.K., D.A.B.). RESULTS: A total of 116 patients had pulmonary embolism and/or deep venous From the 1999 RSNA scientific assem- thrombosis, including 27 patients with pulmonary embolism alone, 31 patients with bly.
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