CT Venography and Compression Sonography Are Diagnostically Equivalent: Data from PIOPED II
Lawrence R. Goodman1,
Paul D. Stein2,3,
Fadi Matta2,
H. Dirk Sostman4,5,
Thomas W. Wakefield6,
Pamela K. Woodard7,
Russell Hull8,
David F. Yankelevitz9 and
Afzal Beemath2
1 Department of Diagnostic Radiology, Medical College of Wisconsin, 9200 W
Wisconsin Ave., Milwaukee, WI 53226-3596.
2 Department of Research, St. Joseph Mercy Hospital–Oakland, Pontiac,
MI.
3 Department of Medicine, Wayne State University, Detroit, MI.
4 Corporate Offices, The Methodist Hospital, Houston, TX.
5 Office of the Dean, Weill Cornell Medical College, New York, NY.
6 Department of Surgery, University of Michigan, Ann Arbor, MI.
7 Department of Radiology, Washington University, St. Louis, MO.
8 Department of Medicine, University of Calgary, Calgary, Alberta, Canada.
9 Department of Radiology, Weill Cornell Medical Center, New York, NY.

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Fig. 1 —Flowchart shows incidence of deep venous thrombosis (DVT) in
patients with positive results for pulmonary embolism (PE) on digital
subtraction angiography or ventilation–perfusion scanning. Table
summarizes results. Data in table are numbers of patients with percentages in
parentheses. All differences are not significant. Numbers indicate number of
patients, + indicates positive, – indicates negative. CTV = CT
venography, CTA = CT angiography.
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Fig. 2 —Flowchart shows incidence of deep venous thrombosis (DVT) in
patients with positive results for pulmonary embolism (PE) on CT angiography.
Table summarizes results. Data in table are numbers of patients with
percentages in parentheses. All differences are not significant. Numbers
indicate number of patients, + indicates positive, – indicates negative.
CTA = CT angiography, CTV = CT venography, DSA = digital subtraction
angiography, V/Q = ventilation–perfusion scanning.
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Fig. 3 —Flowchart shows incidence of deep venous thrombosis (DVT) in
patients without positive results for pulmonary embolism (PE) on digital
subtraction angiography (DSA) or ventilation–perfusion (V/Q) imaging.
Table summarizes results. Data in table are numbers of patients with
percentages in parentheses. All differences are not significant. Numbers
indicate number of patients, + indicates positive, – indicates negative.
CTA = CT angiography, CTV = CT venography.
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Copyright © 2007 by the American Roentgen Ray Society.